2057 lines
47 KiB
Plaintext
2057 lines
47 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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SELECT '"\u"'::jsonb; -- ERROR, incomplete escape
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"\u"'::jsonb;
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^
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DETAIL: "\u" must be followed by four hexadecimal digits.
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CONTEXT: JSON data, line 1: "\u"
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SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"\u00"'::jsonb;
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^
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DETAIL: "\u" must be followed by four hexadecimal digits.
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CONTEXT: JSON data, line 1: "\u00"
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SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit
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ERROR: invalid input syntax for type json
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LINE 1: SELECT '"\u000g"'::jsonb;
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^
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DETAIL: "\u" must be followed by four hexadecimal digits.
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CONTEXT: JSON data, line 1: "\u000g...
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SELECT '"\u0000"'::jsonb; -- OK, legal escape
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jsonb
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-----------
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"\\u0000"
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(1 row)
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-- use octet_length here so we don't get an odd unicode char in the
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-- output
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SELECT octet_length('"\uaBcD"'::jsonb::text); -- OK, uppercase and lower case both OK
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octet_length
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--------------
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5
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(1 row)
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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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-- 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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-- 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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ERROR: cannot call jsonb_object_field (jsonb -> text operator) on a scalar
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array';
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ERROR: cannot call jsonb_object_field (jsonb -> text operator) on an array
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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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ERROR: cannot call jsonb_object_field_text (jsonb ->> text operator) on a scalar
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array';
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ERROR: cannot call jsonb_object_field_text (jsonb ->> text operator) on an array
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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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ERROR: cannot call jsonb_array_element (jsonb -> int operator) on a scalar
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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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ERROR: cannot call jsonb_array_element (jsonb -> int operator) on an object
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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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ERROR: cannot call jsonb_array_element_text on a scalar
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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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ERROR: cannot call jsonb_array_element_text on an object
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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';
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expect_true
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-------------
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t
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(1 row)
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SELECT (test_json->3) IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'array';
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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->>3) IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'array';
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expect_true
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-------------
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t
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(1 row)
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-- equality and inequality
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SELECT '{"x":"y"}'::jsonb = '{"x":"y"}'::jsonb;
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?column?
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----------
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t
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(1 row)
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SELECT '{"x":"y"}'::jsonb = '{"x":"z"}'::jsonb;
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?column?
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----------
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f
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(1 row)
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SELECT '{"x":"y"}'::jsonb <> '{"x":"y"}'::jsonb;
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?column?
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----------
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f
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(1 row)
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SELECT '{"x":"y"}'::jsonb <> '{"x":"z"}'::jsonb;
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?column?
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----------
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t
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(1 row)
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CREATE TABLE testjsonb (j jsonb);
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\copy testjsonb FROM 'data/jsonb.data'
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-- containment
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
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jsonb_contains
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----------------
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t
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":null}');
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jsonb_contains
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----------------
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t
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "g":null}');
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jsonb_contains
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----------------
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f
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"g":null}');
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jsonb_contains
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----------------
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f
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"c"}');
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jsonb_contains
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----------------
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f
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
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jsonb_contains
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----------------
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t
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(1 row)
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":"q"}');
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jsonb_contains
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----------------
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f
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(1 row)
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
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?column?
|
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----------
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t
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(1 row)
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":null}';
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?column?
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----------
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t
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(1 row)
|
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|
|
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 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)
|
|
|
|
-- 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)
|
|
|
|
-- same using array literals
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f4,f6}';
|
|
?column?
|
|
-----------
|
|
"stringy"
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2}';
|
|
?column?
|
|
-----------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,0}';
|
|
?column?
|
|
----------
|
|
"f3"
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,1}';
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f4,f6}';
|
|
?column?
|
|
----------
|
|
stringy
|
|
(1 row)
|
|
|
|
SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2}';
|
|
?column?
|
|
-----------
|
|
{"f3": 1}
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,0}';
|
|
?column?
|
|
----------
|
|
f3
|
|
(1 row)
|
|
|
|
SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,1}';
|
|
?column?
|
|
----------
|
|
1
|
|
(1 row)
|
|
|
|
-- same on jsonb scalars (expecting errors)
|
|
SELECT '42'::jsonb#>array['f2'];
|
|
ERROR: cannot call extract path from a scalar
|
|
SELECT '42'::jsonb#>array['0'];
|
|
ERROR: cannot call extract path from a scalar
|
|
SELECT '42'::jsonb#>>array['f2'];
|
|
ERROR: cannot call extract path from a scalar
|
|
SELECT '42'::jsonb#>>array['0'];
|
|
ERROR: cannot call extract path from a scalar
|
|
-- 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}', true) 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}', true) 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}', true) 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}', true) 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}', true) 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"}]',false) 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"}]',false) 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"}]',true) 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"}]',true) 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"}]',true) 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"}]',true) q;
|
|
ERROR: invalid input syntax for type timestamp: "[100, 200, 300]"
|
|
-- using the default use_json_as_text argument
|
|
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;
|
|
ERROR: cannot populate with a nested object unless use_json_as_text is true
|
|
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: cannot populate with a nested object unless use_json_as_text is true
|
|
-- handling of unicode surrogate pairs
|
|
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
|
|
correct_in_utf8
|
|
-----------------
|
|
10
|
|
(1 row)
|
|
|
|
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
|
|
ERROR: invalid input syntax for type json
|
|
LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
|
|
^
|
|
DETAIL: Unicode high surrogate must not follow a high surrogate.
|
|
CONTEXT: JSON data, line 1: { "a":...
|
|
SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
|
|
ERROR: invalid input syntax for type json
|
|
LINE 1: SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a';
|
|
^
|
|
DETAIL: Unicode low surrogate must follow a high surrogate.
|
|
CONTEXT: JSON data, line 1: { "a":...
|
|
SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
|
|
ERROR: invalid input syntax for type json
|
|
LINE 1: SELECT jsonb '{ "a": "\ud83dX" }' -> 'a';
|
|
^
|
|
DETAIL: Unicode low surrogate must follow a high surrogate.
|
|
CONTEXT: JSON data, line 1: { "a":...
|
|
SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
|
|
ERROR: invalid input syntax for type json
|
|
LINE 1: SELECT jsonb '{ "a": "\ude04X" }' -> 'a';
|
|
^
|
|
DETAIL: Unicode low surrogate must follow a high surrogate.
|
|
CONTEXT: JSON data, line 1: { "a":...
|
|
-- handling of simple unicode escapes
|
|
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' AS correct_in_utf8;
|
|
correct_in_utf8
|
|
----------------------
|
|
the Copyright © sign
|
|
(1 row)
|
|
|
|
SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' AS correct_everyWHERE;
|
|
correct_everywhere
|
|
--------------------
|
|
dollar $ character
|
|
(1 row)
|
|
|
|
SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' AS not_unescaped;
|
|
not_unescaped
|
|
--------------------
|
|
null \u0000 escape
|
|
(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 ?| 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)
|
|
|
|
-- excercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
count
|
|
-------
|
|
1009
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'public';
|
|
count
|
|
-------
|
|
194
|
|
(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
|
|
-------
|
|
4788
|
|
(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
|
|
(24 rows)
|
|
|
|
-- sort/hash
|
|
SELECT count(distinct j) FROM testjsonb;
|
|
count
|
|
-------
|
|
891
|
|
(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
|
|
-------
|
|
891
|
|
(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
|
|
-------
|
|
891
|
|
(1 row)
|
|
|
|
SELECT distinct * FROM (values (jsonb '{}' || ''),('{}')) 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 hash
|
|
DROP INDEX jidx;
|
|
CREATE INDEX jidx ON testjsonb USING gin (j jsonb_hash_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)
|
|
|
|
-- excercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
count
|
|
-------
|
|
1009
|
|
(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)
|
|
|
|
-- 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
|
|
ERROR: cannot call jsonb_array_element (jsonb -> int operator) on an object
|
|
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?
|
|
----------
|
|
|
|
(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?
|
|
----------
|
|
|
|
(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)
|
|
|