3315 lines
76 KiB
Plaintext
3315 lines
76 KiB
Plaintext
-- Strings.
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SELECT '""'::jsonb; -- OK.
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jsonb
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-------
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""
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(1 row)
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SELECT $$''$$::jsonb; -- ERROR, single quotes are not allowed
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ERROR: invalid input syntax for type json
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LINE 1: SELECT $$''$$::jsonb;
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^
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DETAIL: Token "'" is invalid.
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CONTEXT: JSON data, line 1: '...
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SELECT '"abc"'::jsonb; -- OK
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jsonb
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-------
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"abc"
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(1 row)
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SELECT '"abc'::jsonb; -- ERROR, quotes not closed
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"abc'::jsonb;
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^
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DETAIL: Token ""abc" is invalid.
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CONTEXT: JSON data, line 1: "abc
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SELECT '"abc
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def"'::jsonb; -- ERROR, unescaped newline in string constant
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"abc
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^
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DETAIL: Character with value 0x0a must be escaped.
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CONTEXT: JSON data, line 1: "abc
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SELECT '"\n\"\\"'::jsonb; -- OK, legal escapes
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jsonb
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----------
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"\n\"\\"
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(1 row)
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SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"\v"'::jsonb;
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^
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DETAIL: Escape sequence "\v" is invalid.
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CONTEXT: JSON data, line 1: "\v...
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-- see json_encoding test for input with unicode escapes
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-- Numbers.
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SELECT '1'::jsonb; -- OK
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jsonb
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-------
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1
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(1 row)
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SELECT '0'::jsonb; -- OK
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jsonb
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-------
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0
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(1 row)
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SELECT '01'::jsonb; -- ERROR, not valid according to JSON spec
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '01'::jsonb;
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^
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DETAIL: Token "01" is invalid.
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CONTEXT: JSON data, line 1: 01
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SELECT '0.1'::jsonb; -- OK
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jsonb
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-------
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0.1
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(1 row)
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SELECT '9223372036854775808'::jsonb; -- OK, even though it's too large for int8
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jsonb
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---------------------
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9223372036854775808
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(1 row)
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SELECT '1e100'::jsonb; -- OK
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jsonb
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-------------------------------------------------------------------------------------------------------
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10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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(1 row)
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SELECT '1.3e100'::jsonb; -- OK
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jsonb
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-------------------------------------------------------------------------------------------------------
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13000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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(1 row)
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SELECT '1f2'::jsonb; -- ERROR
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '1f2'::jsonb;
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^
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DETAIL: Token "1f2" is invalid.
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CONTEXT: JSON data, line 1: 1f2
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SELECT '0.x1'::jsonb; -- ERROR
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '0.x1'::jsonb;
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^
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DETAIL: Token "0.x1" is invalid.
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CONTEXT: JSON data, line 1: 0.x1
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SELECT '1.3ex100'::jsonb; -- ERROR
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '1.3ex100'::jsonb;
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^
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DETAIL: Token "1.3ex100" is invalid.
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CONTEXT: JSON data, line 1: 1.3ex100
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-- Arrays.
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SELECT '[]'::jsonb; -- OK
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jsonb
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-------
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[]
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(1 row)
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SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::jsonb; -- OK
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jsonb
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
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(1 row)
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SELECT '[1,2]'::jsonb; -- OK
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jsonb
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--------
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[1, 2]
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(1 row)
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SELECT '[1,2,]'::jsonb; -- ERROR, trailing comma
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '[1,2,]'::jsonb;
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^
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DETAIL: Expected JSON value, but found "]".
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CONTEXT: JSON data, line 1: [1,2,]
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SELECT '[1,2'::jsonb; -- ERROR, no closing bracket
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '[1,2'::jsonb;
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^
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DETAIL: The input string ended unexpectedly.
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CONTEXT: JSON data, line 1: [1,2
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SELECT '[1,[2]'::jsonb; -- ERROR, no closing bracket
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '[1,[2]'::jsonb;
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^
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DETAIL: The input string ended unexpectedly.
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CONTEXT: JSON data, line 1: [1,[2]
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-- Objects.
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SELECT '{}'::jsonb; -- OK
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jsonb
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-------
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{}
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(1 row)
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SELECT '{"abc"}'::jsonb; -- ERROR, no value
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc"}'::jsonb;
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^
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DETAIL: Expected ":", but found "}".
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CONTEXT: JSON data, line 1: {"abc"}
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SELECT '{"abc":1}'::jsonb; -- OK
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jsonb
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------------
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{"abc": 1}
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(1 row)
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SELECT '{1:"abc"}'::jsonb; -- ERROR, keys must be strings
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{1:"abc"}'::jsonb;
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^
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DETAIL: Expected string or "}", but found "1".
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CONTEXT: JSON data, line 1: {1...
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SELECT '{"abc",1}'::jsonb; -- ERROR, wrong separator
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc",1}'::jsonb;
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^
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DETAIL: Expected ":", but found ",".
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CONTEXT: JSON data, line 1: {"abc",...
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SELECT '{"abc"=1}'::jsonb; -- ERROR, totally wrong separator
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc"=1}'::jsonb;
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^
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DETAIL: Token "=" is invalid.
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CONTEXT: JSON data, line 1: {"abc"=...
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SELECT '{"abc"::1}'::jsonb; -- ERROR, another wrong separator
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc"::1}'::jsonb;
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^
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DETAIL: Expected JSON value, but found ":".
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CONTEXT: JSON data, line 1: {"abc"::...
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SELECT '{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::jsonb; -- OK
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jsonb
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--------------------------------------------------------------------
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{"abc": 1, "def": 2, "ghi": [3, 4], "hij": {"klm": 5, "nop": [6]}}
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(1 row)
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SELECT '{"abc":1:2}'::jsonb; -- ERROR, colon in wrong spot
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc":1:2}'::jsonb;
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^
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DETAIL: Expected "," or "}", but found ":".
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CONTEXT: JSON data, line 1: {"abc":1:...
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SELECT '{"abc":1,3}'::jsonb; -- ERROR, no value
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '{"abc":1,3}'::jsonb;
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^
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DETAIL: Expected string, but found "3".
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CONTEXT: JSON data, line 1: {"abc":1,3...
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-- Recursion.
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SET max_stack_depth = '100kB';
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SELECT repeat('[', 10000)::jsonb;
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ERROR: stack depth limit exceeded
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HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
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SELECT repeat('{"a":', 10000)::jsonb;
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ERROR: stack depth limit exceeded
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HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
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RESET max_stack_depth;
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-- Miscellaneous stuff.
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SELECT 'true'::jsonb; -- OK
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jsonb
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-------
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true
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(1 row)
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SELECT 'false'::jsonb; -- OK
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jsonb
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-------
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false
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(1 row)
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SELECT 'null'::jsonb; -- OK
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jsonb
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-------
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null
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(1 row)
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SELECT ' true '::jsonb; -- OK, even with extra whitespace
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jsonb
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-------
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true
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(1 row)
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SELECT 'true false'::jsonb; -- ERROR, too many values
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ERROR: invalid input syntax for type json
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LINE 1: SELECT 'true false'::jsonb;
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^
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DETAIL: Expected end of input, but found "false".
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CONTEXT: JSON data, line 1: true false
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SELECT 'true, false'::jsonb; -- ERROR, too many values
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ERROR: invalid input syntax for type json
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LINE 1: SELECT 'true, false'::jsonb;
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^
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DETAIL: Expected end of input, but found ",".
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CONTEXT: JSON data, line 1: true,...
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SELECT 'truf'::jsonb; -- ERROR, not a keyword
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ERROR: invalid input syntax for type json
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LINE 1: SELECT 'truf'::jsonb;
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^
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DETAIL: Token "truf" is invalid.
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CONTEXT: JSON data, line 1: truf
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SELECT 'trues'::jsonb; -- ERROR, not a keyword
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ERROR: invalid input syntax for type json
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LINE 1: SELECT 'trues'::jsonb;
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^
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DETAIL: Token "trues" is invalid.
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CONTEXT: JSON data, line 1: trues
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SELECT ''::jsonb; -- ERROR, no value
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ERROR: invalid input syntax for type json
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LINE 1: SELECT ''::jsonb;
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^
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DETAIL: The input string ended unexpectedly.
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CONTEXT: JSON data, line 1:
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SELECT ' '::jsonb; -- ERROR, no value
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ERROR: invalid input syntax for type json
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LINE 1: SELECT ' '::jsonb;
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^
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DETAIL: The input string ended unexpectedly.
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CONTEXT: JSON data, line 1:
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-- make sure jsonb is passed through json generators without being escaped
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SELECT array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']);
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array_to_json
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--------------------------
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[{"a": 1},{"b": [2, 3]}]
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(1 row)
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-- to_jsonb, timestamps
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select to_jsonb(timestamp '2014-05-28 12:22:35.614298');
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to_jsonb
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------------------------------
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"2014-05-28T12:22:35.614298"
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(1 row)
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BEGIN;
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SET LOCAL TIME ZONE 10.5;
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select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04');
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to_jsonb
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------------------------------------
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"2014-05-29T02:52:35.614298+10:30"
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(1 row)
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SET LOCAL TIME ZONE -8;
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select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04');
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to_jsonb
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------------------------------------
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"2014-05-28T08:22:35.614298-08:00"
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(1 row)
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COMMIT;
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select to_jsonb(date '2014-05-28');
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to_jsonb
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--------------
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"2014-05-28"
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(1 row)
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select to_jsonb(date 'Infinity');
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to_jsonb
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------------
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"infinity"
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(1 row)
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select to_jsonb(date '-Infinity');
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to_jsonb
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-------------
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"-infinity"
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(1 row)
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select to_jsonb(timestamp 'Infinity');
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to_jsonb
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------------
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"infinity"
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(1 row)
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select to_jsonb(timestamp '-Infinity');
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to_jsonb
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-------------
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"-infinity"
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(1 row)
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select to_jsonb(timestamptz 'Infinity');
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to_jsonb
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------------
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"infinity"
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(1 row)
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select to_jsonb(timestamptz '-Infinity');
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to_jsonb
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-------------
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"-infinity"
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(1 row)
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--jsonb_agg
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CREATE TEMP TABLE rows AS
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SELECT x, 'txt' || x as y
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FROM generate_series(1,3) AS x;
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SELECT jsonb_agg(q)
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FROM ( SELECT $$a$$ || x AS b, y AS c,
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ARRAY[ROW(x.*,ARRAY[1,2,3]),
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ROW(y.*,ARRAY[4,5,6])] AS z
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FROM generate_series(1,2) x,
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generate_series(4,5) y) q;
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jsonb_agg
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--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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[{"b": "a1", "c": 4, "z": [{"f1": 1, "f2": [1, 2, 3]}, {"f1": 4, "f2": [4, 5, 6]}]}, {"b": "a1", "c": 5, "z": [{"f1": 1, "f2": [1, 2, 3]}, {"f1": 5, "f2": [4, 5, 6]}]}, {"b": "a2", "c": 4, "z": [{"f1": 2, "f2": [1, 2, 3]}, {"f1": 4, "f2": [4, 5, 6]}]}, {"b": "a2", "c": 5, "z": [{"f1": 2, "f2": [1, 2, 3]}, {"f1": 5, "f2": [4, 5, 6]}]}]
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(1 row)
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SELECT jsonb_agg(q ORDER BY x, y)
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FROM rows q;
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jsonb_agg
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-----------------------------------------------------------------------
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[{"x": 1, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}]
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(1 row)
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UPDATE rows SET x = NULL WHERE x = 1;
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SELECT jsonb_agg(q ORDER BY x NULLS FIRST, y)
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FROM rows q;
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jsonb_agg
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--------------------------------------------------------------------------
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[{"x": null, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}]
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(1 row)
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-- jsonb extraction functions
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CREATE TEMP TABLE test_jsonb (
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json_type text,
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test_json jsonb
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);
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INSERT INTO test_jsonb VALUES
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('scalar','"a scalar"'),
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('array','["zero", "one","two",null,"four","five", [1,2,3],{"f1":9}]'),
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('object','{"field1":"val1","field2":"val2","field3":null, "field4": 4, "field5": [1,2,3], "field6": {"f1":9}}');
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'scalar';
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?column?
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----------
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(1 row)
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array';
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?column?
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----------
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(1 row)
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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(1 row)
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SELECT test_json -> 'field2' FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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"val2"
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(1 row)
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'scalar';
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?column?
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----------
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(1 row)
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array';
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?column?
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----------
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(1 row)
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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val2
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(1 row)
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'scalar';
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?column?
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----------
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(1 row)
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'array';
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?column?
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----------
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"two"
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(1 row)
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SELECT test_json -> 9 FROM test_jsonb WHERE json_type = 'array';
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?column?
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----------
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(1 row)
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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(1 row)
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SELECT test_json ->> 6 FROM test_jsonb WHERE json_type = 'array';
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?column?
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-----------
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[1, 2, 3]
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(1 row)
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SELECT test_json ->> 7 FROM test_jsonb WHERE json_type = 'array';
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?column?
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-----------
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{"f1": 9}
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(1 row)
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SELECT test_json ->> 'field4' FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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4
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(1 row)
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SELECT test_json ->> 'field5' FROM test_jsonb WHERE json_type = 'object';
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?column?
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-----------
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[1, 2, 3]
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(1 row)
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SELECT test_json ->> 'field6' FROM test_jsonb WHERE json_type = 'object';
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?column?
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-----------
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{"f1": 9}
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(1 row)
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'scalar';
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?column?
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----------
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(1 row)
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'array';
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?column?
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----------
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two
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(1 row)
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'object';
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?column?
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----------
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(1 row)
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'scalar';
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ERROR: cannot call jsonb_object_keys on a scalar
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'array';
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ERROR: cannot call jsonb_object_keys on an array
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object';
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jsonb_object_keys
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-------------------
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field1
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field2
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field3
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field4
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field5
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field6
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(6 rows)
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-- nulls
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SELECT (test_json->'field3') IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'object';
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expect_false
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--------------
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f
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(1 row)
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|
|
SELECT (test_json->>'field3') IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'object';
|
|
expect_true
|
|
-------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT (test_json->3) IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'array';
|
|
expect_false
|
|
--------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT (test_json->>3) IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'array';
|
|
expect_true
|
|
-------------
|
|
t
|
|
(1 row)
|
|
|
|
-- corner cases
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::text;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::int;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 1;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> '';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 1;
|
|
?column?
|
|
-------------
|
|
{"b": "cc"}
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 3;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": "c", "b": null}'::jsonb -> 'b';
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb -> 1;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb -> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::text;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::int;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 1;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> '';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 1;
|
|
?column?
|
|
-------------
|
|
{"b": "cc"}
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 3;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": "c", "b": null}'::jsonb ->> 'b';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb ->> 1;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb ->> 'z';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
-- equality and inequality
|
|
SELECT '{"x":"y"}'::jsonb = '{"x":"y"}'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"x":"y"}'::jsonb = '{"x":"z"}'::jsonb;
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"x":"y"}'::jsonb <> '{"x":"y"}'::jsonb;
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"x":"y"}'::jsonb <> '{"x":"z"}'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- containment
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
|
|
jsonb_contains
|
|
----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":null}');
|
|
jsonb_contains
|
|
----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "g":null}');
|
|
jsonb_contains
|
|
----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"g":null}');
|
|
jsonb_contains
|
|
----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"c"}');
|
|
jsonb_contains
|
|
----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
|
|
jsonb_contains
|
|
----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":"q"}');
|
|
jsonb_contains
|
|
----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":null}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "g":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"g":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"c"}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":"q"}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '[1,2]'::jsonb @> '[1,2,2]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[1,1,2]'::jsonb @> '[1,2,2]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[[1,2]]'::jsonb @> '[[1,2,2]]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[1,2,2]'::jsonb <@ '[1,2]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[1,2,2]'::jsonb <@ '[1,1,2]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[[1,2,2]]'::jsonb <@ '[[1,2]]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"b", "c":null}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"b", "g":null}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"g":null}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"c"}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_contained('{"a":"b", "c":"q"}', '{"a":"b", "b":1, "c":null}');
|
|
jsonb_contained
|
|
-----------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "c":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"c"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b", "c":"q"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
-- Raw scalar may contain another raw scalar, array may contain a raw scalar
|
|
SELECT '[5]'::jsonb @> '[5]';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '5'::jsonb @> '5';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '[5]'::jsonb @> '5';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- But a raw scalar cannot contain an array
|
|
SELECT '5'::jsonb @> '[5]';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
-- In general, one thing should always contain itself. Test array containment:
|
|
SELECT '["9", ["7", "3"], 1]'::jsonb @> '["9", ["7", "3"], 1]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '["9", ["7", "3"], ["1"]]'::jsonb @> '["9", ["7", "3"], ["1"]]'::jsonb;
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- array containment string matching confusion bug
|
|
SELECT '{ "name": "Bob", "tags": [ "enim", "qui"]}'::jsonb @> '{"tags":["qu"]}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
-- array length
|
|
SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
|
|
jsonb_array_length
|
|
--------------------
|
|
5
|
|
(1 row)
|
|
|
|
SELECT jsonb_array_length('[]');
|
|
jsonb_array_length
|
|
--------------------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT jsonb_array_length('{"f1":1,"f2":[5,6]}');
|
|
ERROR: cannot get array length of a non-array
|
|
SELECT jsonb_array_length('4');
|
|
ERROR: cannot get array length of a scalar
|
|
-- each
|
|
SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
|
|
jsonb_each
|
|
--------------------
|
|
(f1,"[1, 2, 3]")
|
|
(f2,"{""f3"": 1}")
|
|
(f4,null)
|
|
(3 rows)
|
|
|
|
SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
|
|
q
|
|
------------------------------------------------------
|
|
(1,"""first""")
|
|
(a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}")
|
|
(b,"[1, 2]")
|
|
(c,"""cc""")
|
|
(n,null)
|
|
(5 rows)
|
|
|
|
SELECT * FROM jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
|
|
key | value
|
|
-----+-----------
|
|
f1 | [1, 2, 3]
|
|
f2 | {"f3": 1}
|
|
f4 | null
|
|
f5 | 99
|
|
f6 | "stringy"
|
|
(5 rows)
|
|
|
|
SELECT * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
|
|
key | value
|
|
-----+------------------------------------
|
|
1 | "first"
|
|
a | {"1": "first", "b": "c", "c": "b"}
|
|
b | [1, 2]
|
|
c | "cc"
|
|
n | null
|
|
(5 rows)
|
|
|
|
SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}');
|
|
jsonb_each_text
|
|
--------------------
|
|
(f1,"[1, 2, 3]")
|
|
(f2,"{""f3"": 1}")
|
|
(f4,)
|
|
(f5,null)
|
|
(4 rows)
|
|
|
|
SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
|
|
q
|
|
------------------------------------------------------
|
|
(1,first)
|
|
(a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}")
|
|
(b,"[1, 2]")
|
|
(c,cc)
|
|
(n,)
|
|
(5 rows)
|
|
|
|
SELECT * FROM jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
|
|
key | value
|
|
-----+-----------
|
|
f1 | [1, 2, 3]
|
|
f2 | {"f3": 1}
|
|
f4 |
|
|
f5 | 99
|
|
f6 | stringy
|
|
(5 rows)
|
|
|
|
SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
|
|
key | value
|
|
-----+------------------------------------
|
|
1 | first
|
|
a | {"1": "first", "b": "c", "c": "b"}
|
|
b | [1, 2]
|
|
c | cc
|
|
n |
|
|
(5 rows)
|
|
|
|
-- exists
|
|
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a');
|
|
jsonb_exists
|
|
--------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b');
|
|
jsonb_exists
|
|
--------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c');
|
|
jsonb_exists
|
|
--------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a');
|
|
jsonb_exists
|
|
--------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ? 'a';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ? 'b';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ? 'c';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- array exists - array elements should behave as keys
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
|
|
count
|
|
-------
|
|
3
|
|
(1 row)
|
|
|
|
-- type sensitive array exists - should return no rows (since "exists" only
|
|
-- matches strings that are either object keys or array elements)
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
-- However, a raw scalar is *contained* within the array
|
|
SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']);
|
|
jsonb_exists_any
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']);
|
|
jsonb_exists_any
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']);
|
|
jsonb_exists_any
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']);
|
|
jsonb_exists_any
|
|
------------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]);
|
|
jsonb_exists_any
|
|
------------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d'];
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[];
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']);
|
|
jsonb_exists_all
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']);
|
|
jsonb_exists_all
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']);
|
|
jsonb_exists_all
|
|
------------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','d']);
|
|
jsonb_exists_all
|
|
------------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', '{}'::text[]);
|
|
jsonb_exists_all
|
|
------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a'];
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d'];
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','a', 'b', 'b', 'b'];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb '{"a":null, "b":"qq"}' ?& '{}'::text[];
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- typeof
|
|
SELECT jsonb_typeof('{}') AS object;
|
|
object
|
|
--------
|
|
object
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object;
|
|
object
|
|
--------
|
|
object
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('[]') AS array;
|
|
array
|
|
-------
|
|
array
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('["a", 1]') AS array;
|
|
array
|
|
-------
|
|
array
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('null') AS "null";
|
|
null
|
|
------
|
|
null
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('1') AS number;
|
|
number
|
|
--------
|
|
number
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('-1') AS number;
|
|
number
|
|
--------
|
|
number
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('1.0') AS number;
|
|
number
|
|
--------
|
|
number
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('1e2') AS number;
|
|
number
|
|
--------
|
|
number
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('-1.0') AS number;
|
|
number
|
|
--------
|
|
number
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('true') AS boolean;
|
|
boolean
|
|
---------
|
|
boolean
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('false') AS boolean;
|
|
boolean
|
|
---------
|
|
boolean
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('"hello"') AS string;
|
|
string
|
|
--------
|
|
string
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('"true"') AS string;
|
|
string
|
|
--------
|
|
string
|
|
(1 row)
|
|
|
|
SELECT jsonb_typeof('"1.0"') AS string;
|
|
string
|
|
--------
|
|
string
|
|
(1 row)
|
|
|
|
-- jsonb_build_array, jsonb_build_object, jsonb_object_agg
|
|
SELECT jsonb_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
|
|
jsonb_build_array
|
|
-------------------------------------------------------------------------
|
|
["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1, 2, 3]}]
|
|
(1 row)
|
|
|
|
SELECT jsonb_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
|
|
jsonb_build_object
|
|
-------------------------------------------------------------------------
|
|
{"a": 1, "b": 1.2, "c": true, "d": null, "e": {"x": 3, "y": [1, 2, 3]}}
|
|
(1 row)
|
|
|
|
SELECT jsonb_build_object(
|
|
'a', jsonb_build_object('b',false,'c',99),
|
|
'd', jsonb_build_object('e',array[9,8,7]::int[],
|
|
'f', (select row_to_json(r) from ( select relkind, oid::regclass as name from pg_class where relname = 'pg_class') r)));
|
|
jsonb_build_object
|
|
------------------------------------------------------------------------------------------------
|
|
{"a": {"b": false, "c": 99}, "d": {"e": [9, 8, 7], "f": {"name": "pg_class", "relkind": "r"}}}
|
|
(1 row)
|
|
|
|
-- empty objects/arrays
|
|
SELECT jsonb_build_array();
|
|
jsonb_build_array
|
|
-------------------
|
|
[]
|
|
(1 row)
|
|
|
|
SELECT jsonb_build_object();
|
|
jsonb_build_object
|
|
--------------------
|
|
{}
|
|
(1 row)
|
|
|
|
-- make sure keys are quoted
|
|
SELECT jsonb_build_object(1,2);
|
|
jsonb_build_object
|
|
--------------------
|
|
{"1": 2}
|
|
(1 row)
|
|
|
|
-- keys must be scalar and not null
|
|
SELECT jsonb_build_object(null,2);
|
|
ERROR: argument 1: key must not be null
|
|
SELECT jsonb_build_object(r,2) FROM (SELECT 1 AS a, 2 AS b) r;
|
|
ERROR: key value must be scalar, not array, composite, or json
|
|
SELECT jsonb_build_object(json '{"a":1,"b":2}', 3);
|
|
ERROR: key value must be scalar, not array, composite, or json
|
|
SELECT jsonb_build_object('{1,2,3}'::int[], 3);
|
|
ERROR: key value must be scalar, not array, composite, or json
|
|
-- handling of NULL values
|
|
SELECT jsonb_object_agg(1, NULL::jsonb);
|
|
jsonb_object_agg
|
|
------------------
|
|
{"1": null}
|
|
(1 row)
|
|
|
|
SELECT jsonb_object_agg(NULL, '{"a":1}');
|
|
ERROR: field name must not be null
|
|
CREATE TEMP TABLE foo (serial_num int, name text, type text);
|
|
INSERT INTO foo VALUES (847001,'t15','GE1043');
|
|
INSERT INTO foo VALUES (847002,'t16','GE1043');
|
|
INSERT INTO foo VALUES (847003,'sub-alpha','GESS90');
|
|
SELECT jsonb_build_object('turbines',jsonb_object_agg(serial_num,jsonb_build_object('name',name,'type',type)))
|
|
FROM foo;
|
|
jsonb_build_object
|
|
-------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|
{"turbines": {"847001": {"name": "t15", "type": "GE1043"}, "847002": {"name": "t16", "type": "GE1043"}, "847003": {"name": "sub-alpha", "type": "GESS90"}}}
|
|
(1 row)
|
|
|
|
SELECT jsonb_object_agg(name, type) FROM foo;
|
|
jsonb_object_agg
|
|
-----------------------------------------------------------
|
|
{"t15": "GE1043", "t16": "GE1043", "sub-alpha": "GESS90"}
|
|
(1 row)
|
|
|
|
INSERT INTO foo VALUES (999999, NULL, 'bar');
|
|
SELECT jsonb_object_agg(name, type) FROM foo;
|
|
ERROR: field name must not be null
|
|
-- jsonb_object
|
|
-- empty object, one dimension
|
|
SELECT jsonb_object('{}');
|
|
jsonb_object
|
|
--------------
|
|
{}
|
|
(1 row)
|
|
|
|
-- empty object, two dimensions
|
|
SELECT jsonb_object('{}', '{}');
|
|
jsonb_object
|
|
--------------
|
|
{}
|
|
(1 row)
|
|
|
|
-- one dimension
|
|
SELECT jsonb_object('{a,1,b,2,3,NULL,"d e f","a b c"}');
|
|
jsonb_object
|
|
---------------------------------------------------
|
|
{"3": null, "a": "1", "b": "2", "d e f": "a b c"}
|
|
(1 row)
|
|
|
|
-- same but with two dimensions
|
|
SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}');
|
|
jsonb_object
|
|
---------------------------------------------------
|
|
{"3": null, "a": "1", "b": "2", "d e f": "a b c"}
|
|
(1 row)
|
|
|
|
-- odd number error
|
|
SELECT jsonb_object('{a,b,c}');
|
|
ERROR: array must have even number of elements
|
|
-- one column error
|
|
SELECT jsonb_object('{{a},{b}}');
|
|
ERROR: array must have two columns
|
|
-- too many columns error
|
|
SELECT jsonb_object('{{a,b,c},{b,c,d}}');
|
|
ERROR: array must have two columns
|
|
-- too many dimensions error
|
|
SELECT jsonb_object('{{{a,b},{c,d}},{{b,c},{d,e}}}');
|
|
ERROR: wrong number of array subscripts
|
|
--two argument form of jsonb_object
|
|
select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}');
|
|
jsonb_object
|
|
--------------------------------------------------
|
|
{"a": "1", "b": "2", "c": "3", "d e f": "a b c"}
|
|
(1 row)
|
|
|
|
-- too many dimensions
|
|
SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}', '{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}');
|
|
ERROR: wrong number of array subscripts
|
|
-- mismatched dimensions
|
|
select jsonb_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}');
|
|
ERROR: mismatched array dimensions
|
|
select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}');
|
|
ERROR: mismatched array dimensions
|
|
-- null key error
|
|
select jsonb_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}');
|
|
ERROR: null value not allowed for object key
|
|
-- empty key is allowed
|
|
select jsonb_object('{a,b,"","d e f"}','{1,2,3,"a b c"}');
|
|
jsonb_object
|
|
-------------------------------------------------
|
|
{"": "3", "a": "1", "b": "2", "d e f": "a b c"}
|
|
(1 row)
|
|
|
|
-- extract_path, extract_path_as_text
|
|
SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
|
|
jsonb_extract_path
|
|
--------------------
|
|
"stringy"
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
|
|
jsonb_extract_path
|
|
--------------------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
|
|
jsonb_extract_path
|
|
--------------------
|
|
"f3"
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
|
|
jsonb_extract_path
|
|
--------------------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
|
|
jsonb_extract_path_text
|
|
-------------------------
|
|
stringy
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
|
|
jsonb_extract_path_text
|
|
-------------------------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
|
|
jsonb_extract_path_text
|
|
-------------------------
|
|
f3
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
|
|
jsonb_extract_path_text
|
|
-------------------------
|
|
1
|
|
(1 row)
|
|
|
|
-- extract_path nulls
|
|
SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_false;
|
|
expect_false
|
|
--------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_true;
|
|
expect_true
|
|
-------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_false;
|
|
expect_false
|
|
--------------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_true;
|
|
expect_true
|
|
-------------
|
|
t
|
|
(1 row)
|
|
|
|
-- extract_path operators
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6'];
|
|
?column?
|
|
-----------
|
|
"stringy"
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2'];
|
|
?column?
|
|
-----------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0'];
|
|
?column?
|
|
----------
|
|
"f3"
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1'];
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6'];
|
|
?column?
|
|
----------
|
|
stringy
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2'];
|
|
?column?
|
|
-----------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0'];
|
|
?column?
|
|
----------
|
|
f3
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1'];
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
-- corner cases for same
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> '{}';
|
|
?column?
|
|
----------------------------
|
|
{"a": {"b": {"c": "foo"}}}
|
|
(1 row)
|
|
|
|
select '[1,2,3]'::jsonb #> '{}';
|
|
?column?
|
|
-----------
|
|
[1, 2, 3]
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb #> '{}';
|
|
?column?
|
|
----------
|
|
"foo"
|
|
(1 row)
|
|
|
|
select '42'::jsonb #> '{}';
|
|
?column?
|
|
----------
|
|
42
|
|
(1 row)
|
|
|
|
select 'null'::jsonb #> '{}';
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a'];
|
|
?column?
|
|
---------------------
|
|
{"b": {"c": "foo"}}
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', null];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', ''];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b'];
|
|
?column?
|
|
--------------
|
|
{"c": "foo"}
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c'];
|
|
?column?
|
|
----------
|
|
"foo"
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c','d'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','z','c'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','1','b'];
|
|
?column?
|
|
----------
|
|
"cc"
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','z','b'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['1','b'];
|
|
?column?
|
|
----------
|
|
"cc"
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['z','b'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": null}]'::jsonb #> array['1','b'];
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb #> array['z'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '42'::jsonb #> array['f2'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '42'::jsonb #> array['0'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> '{}';
|
|
?column?
|
|
----------------------------
|
|
{"a": {"b": {"c": "foo"}}}
|
|
(1 row)
|
|
|
|
select '[1,2,3]'::jsonb #>> '{}';
|
|
?column?
|
|
-----------
|
|
[1, 2, 3]
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb #>> '{}';
|
|
?column?
|
|
----------
|
|
foo
|
|
(1 row)
|
|
|
|
select '42'::jsonb #>> '{}';
|
|
?column?
|
|
----------
|
|
42
|
|
(1 row)
|
|
|
|
select 'null'::jsonb #>> '{}';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a'];
|
|
?column?
|
|
---------------------
|
|
{"b": {"c": "foo"}}
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', null];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', ''];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b'];
|
|
?column?
|
|
--------------
|
|
{"c": "foo"}
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c'];
|
|
?column?
|
|
----------
|
|
foo
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c','d'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','z','c'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','1','b'];
|
|
?column?
|
|
----------
|
|
cc
|
|
(1 row)
|
|
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','z','b'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['1','b'];
|
|
?column?
|
|
----------
|
|
cc
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['z','b'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '[{"b": "c"}, {"b": null}]'::jsonb #>> array['1','b'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '"foo"'::jsonb #>> array['z'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '42'::jsonb #>> array['f2'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
select '42'::jsonb #>> array['0'];
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
-- array_elements
|
|
SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
|
|
jsonb_array_elements
|
|
----------------------------
|
|
1
|
|
true
|
|
[1, [2, 3]]
|
|
null
|
|
{"f1": 1, "f2": [7, 8, 9]}
|
|
false
|
|
(6 rows)
|
|
|
|
SELECT * FROM jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
|
|
value
|
|
----------------------------
|
|
1
|
|
true
|
|
[1, [2, 3]]
|
|
null
|
|
{"f1": 1, "f2": [7, 8, 9]}
|
|
false
|
|
(6 rows)
|
|
|
|
SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
|
|
jsonb_array_elements_text
|
|
----------------------------
|
|
1
|
|
true
|
|
[1, [2, 3]]
|
|
|
|
{"f1": 1, "f2": [7, 8, 9]}
|
|
false
|
|
stringy
|
|
(7 rows)
|
|
|
|
SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
|
|
value
|
|
----------------------------
|
|
1
|
|
true
|
|
[1, [2, 3]]
|
|
|
|
{"f1": 1, "f2": [7, 8, 9]}
|
|
false
|
|
stringy
|
|
(7 rows)
|
|
|
|
-- populate_record
|
|
CREATE TYPE jbpop AS (a text, b int, c timestamp);
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
a | b | c
|
|
--------+---+---
|
|
blurfl | |
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
a | b | c
|
|
--------+---+--------------------------
|
|
blurfl | 3 | Mon Dec 31 15:30:56 2012
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
a | b | c
|
|
--------+---+---
|
|
blurfl | |
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
a | b | c
|
|
--------+---+--------------------------
|
|
blurfl | 3 | Mon Dec 31 15:30:56 2012
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}') q;
|
|
a | b | c
|
|
-------------------+---+---
|
|
[100, 200, false] | |
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}') q;
|
|
a | b | c
|
|
-------------------+---+--------------------------
|
|
[100, 200, false] | 3 | Mon Dec 31 15:30:56 2012
|
|
(1 row)
|
|
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}') q;
|
|
ERROR: invalid input syntax for type timestamp: "[100, 200, false]"
|
|
-- populate_recordset
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+---+--------------------------
|
|
blurfl | |
|
|
| 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+----+--------------------------
|
|
blurfl | 99 |
|
|
def | 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+---+--------------------------
|
|
blurfl | |
|
|
| 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+----+--------------------------
|
|
blurfl | 99 |
|
|
def | 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
-----------------+----+--------------------------
|
|
[100, 200, 300] | 99 |
|
|
{"z": true} | 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
ERROR: invalid input syntax for type timestamp: "[100, 200, 300]"
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+---+--------------------------
|
|
blurfl | |
|
|
| 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
--------+----+--------------------------
|
|
blurfl | 99 |
|
|
def | 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
a | b | c
|
|
-----------------+----+--------------------------
|
|
[100, 200, 300] | 99 |
|
|
{"z": true} | 3 | Fri Jan 20 10:42:53 2012
|
|
(2 rows)
|
|
|
|
-- jsonb_to_record and jsonb_to_recordset
|
|
select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}')
|
|
as x(a int, b text, d text);
|
|
a | b | d
|
|
---+-----+---
|
|
1 | foo |
|
|
(1 row)
|
|
|
|
select * from jsonb_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]')
|
|
as x(a int, b text, c boolean);
|
|
a | b | c
|
|
---+-----+---
|
|
1 | foo |
|
|
2 | bar | t
|
|
(2 rows)
|
|
|
|
select *, c is null as c_is_null
|
|
from jsonb_to_record('{"a":1, "b":{"c":16, "d":2}, "x":8}'::jsonb)
|
|
as t(a int, b jsonb, c text, x int);
|
|
a | b | c | x | c_is_null
|
|
---+-------------------+---+---+-----------
|
|
1 | {"c": 16, "d": 2} | | 8 | t
|
|
(1 row)
|
|
|
|
select *, c is null as c_is_null
|
|
from jsonb_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::jsonb)
|
|
as t(a int, b jsonb, c text, x int);
|
|
a | b | c | x | c_is_null
|
|
---+-------------------+---+---+-----------
|
|
1 | {"c": 16, "d": 2} | | 8 | t
|
|
(1 row)
|
|
|
|
-- indexing
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
count
|
|
-------
|
|
15
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'public';
|
|
count
|
|
-------
|
|
194
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'bar';
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
|
|
count
|
|
-------
|
|
337
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
|
|
count
|
|
-------
|
|
42
|
|
(1 row)
|
|
|
|
CREATE INDEX jidx ON testjsonb USING gin (j);
|
|
SET enable_seqscan = off;
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
count
|
|
-------
|
|
15
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}';
|
|
count
|
|
-------
|
|
3
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
|
|
count
|
|
-------
|
|
3
|
|
(1 row)
|
|
|
|
-- exercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
count
|
|
-------
|
|
1012
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'public';
|
|
count
|
|
-------
|
|
194
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'bar';
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
|
|
count
|
|
-------
|
|
337
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
|
|
count
|
|
-------
|
|
42
|
|
(1 row)
|
|
|
|
-- array exists - array elements should behave as keys (for GIN index scans too)
|
|
CREATE INDEX jidx_array ON testjsonb USING gin((j->'array'));
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
|
|
count
|
|
-------
|
|
3
|
|
(1 row)
|
|
|
|
-- type sensitive array exists - should return no rows (since "exists" only
|
|
-- matches strings that are either object keys or array elements)
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
|
|
count
|
|
-------
|
|
0
|
|
(1 row)
|
|
|
|
-- However, a raw scalar is *contained* within the array
|
|
SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
RESET enable_seqscan;
|
|
SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow;
|
|
count
|
|
-------
|
|
4791
|
|
(1 row)
|
|
|
|
SELECT key, count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow GROUP BY key ORDER BY count DESC, key;
|
|
key | count
|
|
-----------+-------
|
|
line | 884
|
|
query | 207
|
|
pos | 203
|
|
node | 202
|
|
space | 197
|
|
status | 195
|
|
public | 194
|
|
title | 190
|
|
wait | 190
|
|
org | 189
|
|
user | 189
|
|
coauthors | 188
|
|
disabled | 185
|
|
indexed | 184
|
|
cleaned | 180
|
|
bad | 179
|
|
date | 179
|
|
world | 176
|
|
state | 172
|
|
subtitle | 169
|
|
auth | 168
|
|
abstract | 161
|
|
array | 5
|
|
age | 2
|
|
foo | 2
|
|
fool | 1
|
|
(26 rows)
|
|
|
|
-- sort/hash
|
|
SELECT count(distinct j) FROM testjsonb;
|
|
count
|
|
-------
|
|
894
|
|
(1 row)
|
|
|
|
SET enable_hashagg = off;
|
|
SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
|
|
count
|
|
-------
|
|
894
|
|
(1 row)
|
|
|
|
SET enable_hashagg = on;
|
|
SET enable_sort = off;
|
|
SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
|
|
count
|
|
-------
|
|
894
|
|
(1 row)
|
|
|
|
SELECT distinct * FROM (values (jsonb '{}' || ''::text),('{}')) v(j);
|
|
j
|
|
----
|
|
{}
|
|
(1 row)
|
|
|
|
SET enable_sort = on;
|
|
RESET enable_hashagg;
|
|
RESET enable_sort;
|
|
DROP INDEX jidx;
|
|
DROP INDEX jidx_array;
|
|
-- btree
|
|
CREATE INDEX jidx ON testjsonb USING btree (j);
|
|
SET enable_seqscan = off;
|
|
SELECT count(*) FROM testjsonb WHERE j > '{"p":1}';
|
|
count
|
|
-------
|
|
884
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}';
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
--gin path opclass
|
|
DROP INDEX jidx;
|
|
CREATE INDEX jidx ON testjsonb USING gin (j jsonb_path_ops);
|
|
SET enable_seqscan = off;
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
count
|
|
-------
|
|
15
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
count
|
|
-------
|
|
2
|
|
(1 row)
|
|
|
|
-- exercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
count
|
|
-------
|
|
1012
|
|
(1 row)
|
|
|
|
RESET enable_seqscan;
|
|
DROP INDEX jidx;
|
|
-- nested tests
|
|
SELECT '{"ff":{"a":12,"b":16}}'::jsonb;
|
|
jsonb
|
|
----------------------------
|
|
{"ff": {"a": 12, "b": 16}}
|
|
(1 row)
|
|
|
|
SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb;
|
|
jsonb
|
|
---------------------------------------
|
|
{"ff": {"a": 12, "b": 16}, "qq": 123}
|
|
(1 row)
|
|
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb;
|
|
jsonb
|
|
--------------------------------------------------------------------------------------------------
|
|
{"aa": ["a", "aaa"], "qq": {"a": 12, "b": 16, "c": ["c1", "c2"], "d": {"d1": "d3", "d2": "d2"}}}
|
|
(1 row)
|
|
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
|
|
jsonb
|
|
------------------------------------------------------------------------------------------------------
|
|
{"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2"], "d": {"d1": "d1", "d2": "d2"}}}
|
|
(1 row)
|
|
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
|
|
jsonb
|
|
-------------------------------------------------------------------------------------------------------------------------
|
|
{"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2", ["c3"], {"c4": 4}], "d": {"d1": "d1", "d2": "d2"}}}
|
|
(1 row)
|
|
|
|
SELECT '{"ff":["a","aaa"]}'::jsonb;
|
|
jsonb
|
|
----------------------
|
|
{"ff": ["a", "aaa"]}
|
|
(1 row)
|
|
|
|
SELECT
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'ff',
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'qq',
|
|
('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'Y') IS NULL AS f,
|
|
('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb ->> 'Y') IS NULL AS t,
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'x';
|
|
?column? | ?column? | f | t | ?column?
|
|
--------------------+----------+---+---+----------
|
|
{"a": 12, "b": 16} | 123 | f | t | [1, 2]
|
|
(1 row)
|
|
|
|
-- nested containment
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
-- check some corner cases for indexed nested containment (bug #13756)
|
|
create temp table nestjsonb (j jsonb);
|
|
insert into nestjsonb (j) values ('{"a":[["b",{"x":1}],["b",{"x":2}]],"c":3}');
|
|
insert into nestjsonb (j) values ('[[14,2,3]]');
|
|
insert into nestjsonb (j) values ('[1,[14,2,3]]');
|
|
create index on nestjsonb using gin(j jsonb_path_ops);
|
|
set enable_seqscan = on;
|
|
set enable_bitmapscan = off;
|
|
select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb;
|
|
j
|
|
---------------------------------------------------
|
|
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
|
|
(1 row)
|
|
|
|
select * from nestjsonb where j @> '{"c":3}';
|
|
j
|
|
---------------------------------------------------
|
|
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
|
|
(1 row)
|
|
|
|
select * from nestjsonb where j @> '[[14]]';
|
|
j
|
|
-----------------
|
|
[[14, 2, 3]]
|
|
[1, [14, 2, 3]]
|
|
(2 rows)
|
|
|
|
set enable_seqscan = off;
|
|
set enable_bitmapscan = on;
|
|
select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb;
|
|
j
|
|
---------------------------------------------------
|
|
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
|
|
(1 row)
|
|
|
|
select * from nestjsonb where j @> '{"c":3}';
|
|
j
|
|
---------------------------------------------------
|
|
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
|
|
(1 row)
|
|
|
|
select * from nestjsonb where j @> '[[14]]';
|
|
j
|
|
-----------------
|
|
[[14, 2, 3]]
|
|
[1, [14, 2, 3]]
|
|
(2 rows)
|
|
|
|
reset enable_seqscan;
|
|
reset enable_bitmapscan;
|
|
-- nested object field / array index lookup
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n';
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a';
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b';
|
|
?column?
|
|
----------
|
|
[1, 2]
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c';
|
|
?column?
|
|
----------
|
|
{"1": 2}
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd';
|
|
?column?
|
|
---------------
|
|
{"1": [2, 3]}
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1';
|
|
?column?
|
|
----------
|
|
[2, 3]
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 0;
|
|
?column?
|
|
----------
|
|
"a"
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 1;
|
|
?column?
|
|
----------
|
|
"b"
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 2;
|
|
?column?
|
|
----------
|
|
"c"
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 3;
|
|
?column?
|
|
----------
|
|
[1, 2]
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 3 -> 1;
|
|
?column?
|
|
----------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 4;
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 5;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> -1;
|
|
?column?
|
|
----------
|
|
null
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> -5;
|
|
?column?
|
|
----------
|
|
"a"
|
|
(1 row)
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> -6;
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
--nested path extraction
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{0}';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{a}';
|
|
?column?
|
|
----------
|
|
"b"
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c}';
|
|
?column?
|
|
-----------
|
|
[1, 2, 3]
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,0}';
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,1}';
|
|
?column?
|
|
----------
|
|
2
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,2}';
|
|
?column?
|
|
----------
|
|
3
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,3}';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-1}';
|
|
?column?
|
|
----------
|
|
3
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-3}';
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-4}';
|
|
?column?
|
|
----------
|
|
|
|
(1 row)
|
|
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{0}';
|
|
?column?
|
|
----------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{3}';
|
|
?column?
|
|
----------
|
|
[3, 4]
|
|
(1 row)
|
|
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4}';
|
|
?column?
|
|
---------------
|
|
{"5": "five"}
|
|
(1 row)
|
|
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4,5}';
|
|
?column?
|
|
----------
|
|
"five"
|
|
(1 row)
|
|
|
|
--nested exists
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'n';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'a';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'b';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'c';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'd';
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'e';
|
|
?column?
|
|
----------
|
|
f
|
|
(1 row)
|
|
|
|
-- jsonb_strip_nulls
|
|
select jsonb_strip_nulls(null);
|
|
jsonb_strip_nulls
|
|
-------------------
|
|
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('1');
|
|
jsonb_strip_nulls
|
|
-------------------
|
|
1
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('"a string"');
|
|
jsonb_strip_nulls
|
|
-------------------
|
|
"a string"
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('null');
|
|
jsonb_strip_nulls
|
|
-------------------
|
|
null
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('[1,2,null,3,4]');
|
|
jsonb_strip_nulls
|
|
--------------------
|
|
[1, 2, null, 3, 4]
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}');
|
|
jsonb_strip_nulls
|
|
--------------------------------------------
|
|
{"a": 1, "c": [2, null, 3], "d": {"e": 4}}
|
|
(1 row)
|
|
|
|
select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]');
|
|
jsonb_strip_nulls
|
|
--------------------------
|
|
[1, {"a": 1, "c": 2}, 3]
|
|
(1 row)
|
|
|
|
-- an empty object is not null and should not be stripped
|
|
select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }');
|
|
jsonb_strip_nulls
|
|
--------------------
|
|
{"a": {}, "d": {}}
|
|
(1 row)
|
|
|
|
select jsonb_pretty('{"a": "test", "b": [1, 2, 3], "c": "test3", "d":{"dd": "test4", "dd2":{"ddd": "test5"}}}');
|
|
jsonb_pretty
|
|
----------------------------
|
|
{ +
|
|
"a": "test", +
|
|
"b": [ +
|
|
1, +
|
|
2, +
|
|
3 +
|
|
], +
|
|
"c": "test3", +
|
|
"d": { +
|
|
"dd": "test4", +
|
|
"dd2": { +
|
|
"ddd": "test5"+
|
|
} +
|
|
} +
|
|
}
|
|
(1 row)
|
|
|
|
select jsonb_pretty('[{"f1":1,"f2":null},2,null,[[{"x":true},6,7],8],3]');
|
|
jsonb_pretty
|
|
---------------------------
|
|
[ +
|
|
{ +
|
|
"f1": 1, +
|
|
"f2": null +
|
|
}, +
|
|
2, +
|
|
null, +
|
|
[ +
|
|
[ +
|
|
{ +
|
|
"x": true+
|
|
}, +
|
|
6, +
|
|
7 +
|
|
], +
|
|
8 +
|
|
], +
|
|
3 +
|
|
]
|
|
(1 row)
|
|
|
|
select jsonb_pretty('{"a":["b", "c"], "d": {"e":"f"}}');
|
|
jsonb_pretty
|
|
------------------
|
|
{ +
|
|
"a": [ +
|
|
"b", +
|
|
"c" +
|
|
], +
|
|
"d": { +
|
|
"e": "f"+
|
|
} +
|
|
}
|
|
(1 row)
|
|
|
|
select jsonb_concat('{"d": "test", "a": [1, 2]}', '{"g": "test2", "c": {"c1":1, "c2":2}}');
|
|
jsonb_concat
|
|
-------------------------------------------------------------------
|
|
{"a": [1, 2], "c": {"c1": 1, "c2": 2}, "d": "test", "g": "test2"}
|
|
(1 row)
|
|
|
|
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"cq":"l", "b":"g", "fg":false}';
|
|
?column?
|
|
---------------------------------------------
|
|
{"b": "g", "aa": 1, "cq": "l", "fg": false}
|
|
(1 row)
|
|
|
|
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aq":"l"}';
|
|
?column?
|
|
---------------------------------------
|
|
{"b": 2, "aa": 1, "aq": "l", "cq": 3}
|
|
(1 row)
|
|
|
|
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aa":"l"}';
|
|
?column?
|
|
------------------------------
|
|
{"b": 2, "aa": "l", "cq": 3}
|
|
(1 row)
|
|
|
|
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{}';
|
|
?column?
|
|
----------------------------
|
|
{"b": 2, "aa": 1, "cq": 3}
|
|
(1 row)
|
|
|
|
select '["a", "b"]'::jsonb || '["c"]';
|
|
?column?
|
|
-----------------
|
|
["a", "b", "c"]
|
|
(1 row)
|
|
|
|
select '["a", "b"]'::jsonb || '["c", "d"]';
|
|
?column?
|
|
----------------------
|
|
["a", "b", "c", "d"]
|
|
(1 row)
|
|
|
|
select '["c"]' || '["a", "b"]'::jsonb;
|
|
?column?
|
|
-----------------
|
|
["c", "a", "b"]
|
|
(1 row)
|
|
|
|
select '["a", "b"]'::jsonb || '"c"';
|
|
?column?
|
|
-----------------
|
|
["a", "b", "c"]
|
|
(1 row)
|
|
|
|
select '"c"' || '["a", "b"]'::jsonb;
|
|
?column?
|
|
-----------------
|
|
["c", "a", "b"]
|
|
(1 row)
|
|
|
|
select '[]'::jsonb || '["a"]'::jsonb;
|
|
?column?
|
|
----------
|
|
["a"]
|
|
(1 row)
|
|
|
|
select '[]'::jsonb || '"a"'::jsonb;
|
|
?column?
|
|
----------
|
|
["a"]
|
|
(1 row)
|
|
|
|
select '"b"'::jsonb || '"a"'::jsonb;
|
|
?column?
|
|
------------
|
|
["b", "a"]
|
|
(1 row)
|
|
|
|
select '{}'::jsonb || '{"a":"b"}'::jsonb;
|
|
?column?
|
|
------------
|
|
{"a": "b"}
|
|
(1 row)
|
|
|
|
select '[]'::jsonb || '{"a":"b"}'::jsonb;
|
|
?column?
|
|
--------------
|
|
[{"a": "b"}]
|
|
(1 row)
|
|
|
|
select '{"a":"b"}'::jsonb || '[]'::jsonb;
|
|
?column?
|
|
--------------
|
|
[{"a": "b"}]
|
|
(1 row)
|
|
|
|
select '"a"'::jsonb || '{"a":1}';
|
|
ERROR: invalid concatenation of jsonb objects
|
|
select '{"a":1}' || '"a"'::jsonb;
|
|
ERROR: invalid concatenation of jsonb objects
|
|
select '["a", "b"]'::jsonb || '{"c":1}';
|
|
?column?
|
|
----------------------
|
|
["a", "b", {"c": 1}]
|
|
(1 row)
|
|
|
|
select '{"c": 1}'::jsonb || '["a", "b"]';
|
|
?column?
|
|
----------------------
|
|
[{"c": 1}, "a", "b"]
|
|
(1 row)
|
|
|
|
select '{}'::jsonb || '{"cq":"l", "b":"g", "fg":false}';
|
|
?column?
|
|
------------------------------------
|
|
{"b": "g", "cq": "l", "fg": false}
|
|
(1 row)
|
|
|
|
select pg_column_size('{}'::jsonb || '{}'::jsonb) = pg_column_size('{}'::jsonb);
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
select pg_column_size('{"aa":1}'::jsonb || '{"b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
select pg_column_size('{"aa":1, "b":2}'::jsonb || '{}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
select pg_column_size('{}'::jsonb || '{"aa":1, "b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'a');
|
|
jsonb_delete
|
|
------------------
|
|
{"b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select jsonb_delete('{"a":null , "b":2, "c":3}'::jsonb, 'a');
|
|
jsonb_delete
|
|
------------------
|
|
{"b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'b');
|
|
jsonb_delete
|
|
------------------
|
|
{"a": 1, "c": 3}
|
|
(1 row)
|
|
|
|
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'c');
|
|
jsonb_delete
|
|
------------------
|
|
{"a": 1, "b": 2}
|
|
(1 row)
|
|
|
|
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'd');
|
|
jsonb_delete
|
|
--------------------------
|
|
{"a": 1, "b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select '{"a":1 , "b":2, "c":3}'::jsonb - 'a';
|
|
?column?
|
|
------------------
|
|
{"b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select '{"a":null , "b":2, "c":3}'::jsonb - 'a';
|
|
?column?
|
|
------------------
|
|
{"b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select '{"a":1 , "b":2, "c":3}'::jsonb - 'b';
|
|
?column?
|
|
------------------
|
|
{"a": 1, "c": 3}
|
|
(1 row)
|
|
|
|
select '{"a":1 , "b":2, "c":3}'::jsonb - 'c';
|
|
?column?
|
|
------------------
|
|
{"a": 1, "b": 2}
|
|
(1 row)
|
|
|
|
select '{"a":1 , "b":2, "c":3}'::jsonb - 'd';
|
|
?column?
|
|
--------------------------
|
|
{"a": 1, "b": 2, "c": 3}
|
|
(1 row)
|
|
|
|
select pg_column_size('{"a":1 , "b":2, "c":3}'::jsonb - 'b') = pg_column_size('{"a":1, "b":2}'::jsonb);
|
|
?column?
|
|
----------
|
|
t
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - 3;
|
|
?column?
|
|
-----------------
|
|
["a", "b", "c"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - 2;
|
|
?column?
|
|
------------
|
|
["a", "b"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - 1;
|
|
?column?
|
|
------------
|
|
["a", "c"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - 0;
|
|
?column?
|
|
------------
|
|
["b", "c"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - -1;
|
|
?column?
|
|
------------
|
|
["a", "b"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - -2;
|
|
?column?
|
|
------------
|
|
["a", "c"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - -3;
|
|
?column?
|
|
------------
|
|
["b", "c"]
|
|
(1 row)
|
|
|
|
select '["a","b","c"]'::jsonb - -4;
|
|
?column?
|
|
-----------------
|
|
["a", "b", "c"]
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '[1,2,3]');
|
|
jsonb_set
|
|
--------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": [1, 2, 3]}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '[1,2,3]');
|
|
jsonb_set
|
|
-----------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, [1, 2, 3]], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '[1,2,3]');
|
|
jsonb_set
|
|
-----------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [[1, 2, 3], 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '[1,2,3]');
|
|
ERROR: path element at the position 2 is NULL
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '{"1": 2}');
|
|
jsonb_set
|
|
-------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": {"1": 2}}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"1": 2}');
|
|
jsonb_set
|
|
----------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, {"1": 2}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '{"1": 2}');
|
|
jsonb_set
|
|
----------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [{"1": 2}, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '{"1": 2}');
|
|
ERROR: path element at the position 2 is NULL
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '"test"');
|
|
jsonb_set
|
|
--------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, "test"], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"f": "test"}');
|
|
jsonb_set
|
|
---------------------------------------------------------------------------------
|
|
{"a": 1, "b": [1, {"f": "test"}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{n}');
|
|
jsonb_delete_path
|
|
----------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}}
|
|
(1 row)
|
|
|
|
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{b,-1}');
|
|
jsonb_delete_path
|
|
------------------------------------------------------------------
|
|
{"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{d,1,0}');
|
|
jsonb_delete_path
|
|
------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null}
|
|
(1 row)
|
|
|
|
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{n}';
|
|
?column?
|
|
----------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}}
|
|
(1 row)
|
|
|
|
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1}';
|
|
?column?
|
|
------------------------------------------------------------------
|
|
{"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
|
|
(1 row)
|
|
|
|
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1e}'; -- invalid array subscript
|
|
ERROR: path element at the position 2 is not an integer
|
|
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{d,1,0}';
|
|
?column?
|
|
------------------------------------------------------------------
|
|
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null}
|
|
(1 row)
|
|
|
|
-- empty structure and error conditions for delete and replace
|
|
select '"a"'::jsonb - 'a'; -- error
|
|
ERROR: cannot delete from scalar
|
|
select '{}'::jsonb - 'a';
|
|
?column?
|
|
----------
|
|
{}
|
|
(1 row)
|
|
|
|
select '[]'::jsonb - 'a';
|
|
?column?
|
|
----------
|
|
[]
|
|
(1 row)
|
|
|
|
select '"a"'::jsonb - 1; -- error
|
|
ERROR: cannot delete from scalar
|
|
select '{}'::jsonb - 1; -- error
|
|
ERROR: cannot delete from object using integer index
|
|
select '[]'::jsonb - 1;
|
|
?column?
|
|
----------
|
|
[]
|
|
(1 row)
|
|
|
|
select '"a"'::jsonb #- '{a}'; -- error
|
|
ERROR: cannot delete path in scalar
|
|
select '{}'::jsonb #- '{a}';
|
|
?column?
|
|
----------
|
|
{}
|
|
(1 row)
|
|
|
|
select '[]'::jsonb #- '{a}';
|
|
?column?
|
|
----------
|
|
[]
|
|
(1 row)
|
|
|
|
select jsonb_set('"a"','{a}','"b"'); --error
|
|
ERROR: cannot set path in scalar
|
|
select jsonb_set('{}','{a}','"b"', false);
|
|
jsonb_set
|
|
-----------
|
|
{}
|
|
(1 row)
|
|
|
|
select jsonb_set('[]','{1}','"b"', false);
|
|
jsonb_set
|
|
-----------
|
|
[]
|
|
(1 row)
|
|
|
|
-- jsonb_set adding instead of replacing
|
|
-- prepend to array
|
|
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,-33}','{"foo":123}');
|
|
jsonb_set
|
|
-------------------------------------------------------
|
|
{"a": 1, "b": [{"foo": 123}, 0, 1, 2], "c": {"d": 4}}
|
|
(1 row)
|
|
|
|
-- append to array
|
|
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,33}','{"foo":123}');
|
|
jsonb_set
|
|
-------------------------------------------------------
|
|
{"a": 1, "b": [0, 1, 2, {"foo": 123}], "c": {"d": 4}}
|
|
(1 row)
|
|
|
|
-- check nesting levels addition
|
|
select jsonb_set('{"a":1,"b":[4,5,[0,1,2],6,7],"c":{"d":4}}','{b,2,33}','{"foo":123}');
|
|
jsonb_set
|
|
---------------------------------------------------------------------
|
|
{"a": 1, "b": [4, 5, [0, 1, 2, {"foo": 123}], 6, 7], "c": {"d": 4}}
|
|
(1 row)
|
|
|
|
-- add new key
|
|
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{c,e}','{"foo":123}');
|
|
jsonb_set
|
|
------------------------------------------------------------
|
|
{"a": 1, "b": [0, 1, 2], "c": {"d": 4, "e": {"foo": 123}}}
|
|
(1 row)
|
|
|
|
-- adding doesn't do anything if elements before last aren't present
|
|
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,-33}','{"foo":123}');
|
|
jsonb_set
|
|
-----------------------------------------
|
|
{"a": 1, "b": [0, 1, 2], "c": {"d": 4}}
|
|
(1 row)
|
|
|
|
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,y}','{"foo":123}');
|
|
jsonb_set
|
|
-----------------------------------------
|
|
{"a": 1, "b": [0, 1, 2], "c": {"d": 4}}
|
|
(1 row)
|
|
|
|
-- add to empty object
|
|
select jsonb_set('{}','{x}','{"foo":123}');
|
|
jsonb_set
|
|
---------------------
|
|
{"x": {"foo": 123}}
|
|
(1 row)
|
|
|
|
--add to empty array
|
|
select jsonb_set('[]','{0}','{"foo":123}');
|
|
jsonb_set
|
|
----------------
|
|
[{"foo": 123}]
|
|
(1 row)
|
|
|
|
select jsonb_set('[]','{99}','{"foo":123}');
|
|
jsonb_set
|
|
----------------
|
|
[{"foo": 123}]
|
|
(1 row)
|
|
|
|
select jsonb_set('[]','{-99}','{"foo":123}');
|
|
jsonb_set
|
|
----------------
|
|
[{"foo": 123}]
|
|
(1 row)
|
|
|
|
select jsonb_set('{"a": [1, 2, 3]}', '{a, non_integer}', '"new_value"');
|
|
ERROR: path element at the position 2 is not an integer
|
|
select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, non_integer}', '"new_value"');
|
|
ERROR: path element at the position 3 is not an integer
|
|
select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, NULL}', '"new_value"');
|
|
ERROR: path element at the position 3 is NULL
|