1445 lines
28 KiB
Plaintext
1445 lines
28 KiB
Plaintext
-- deal with numeric instability of ts_rank
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SET extra_float_digits = 0;
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--Base tsvector test
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SELECT '1'::tsvector;
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tsvector
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----------
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'1'
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(1 row)
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SELECT '1 '::tsvector;
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tsvector
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----------
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'1'
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(1 row)
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SELECT ' 1'::tsvector;
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tsvector
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----------
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'1'
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(1 row)
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SELECT ' 1 '::tsvector;
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tsvector
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----------
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'1'
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(1 row)
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SELECT '1 2'::tsvector;
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tsvector
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----------
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'1' '2'
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(1 row)
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SELECT '''1 2'''::tsvector;
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tsvector
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----------
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'1 2'
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(1 row)
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SELECT E'''1 \\''2'''::tsvector;
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tsvector
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----------
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'1 ''2'
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(1 row)
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SELECT E'''1 \\''2''3'::tsvector;
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tsvector
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-------------
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'1 ''2' '3'
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(1 row)
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SELECT E'''1 \\''2'' 3'::tsvector;
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tsvector
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-------------
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'1 ''2' '3'
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(1 row)
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SELECT E'''1 \\''2'' '' 3'' 4 '::tsvector;
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tsvector
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------------------
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' 3' '1 ''2' '4'
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(1 row)
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SELECT $$'\\as' ab\c ab\\c AB\\\c ab\\\\c$$::tsvector;
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tsvector
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----------------------------------------
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'AB\\c' '\\as' 'ab\\\\c' 'ab\\c' 'abc'
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(1 row)
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SELECT tsvectorin(tsvectorout($$'\\as' ab\c ab\\c AB\\\c ab\\\\c$$::tsvector));
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tsvectorin
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----------------------------------------
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'AB\\c' '\\as' 'ab\\\\c' 'ab\\c' 'abc'
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(1 row)
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SELECT '''w'':4A,3B,2C,1D,5 a:8';
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?column?
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-----------------------
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'w':4A,3B,2C,1D,5 a:8
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(1 row)
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SELECT 'a:3A b:2a'::tsvector || 'ba:1234 a:1B';
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?column?
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----------------------------
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'a':3A,4B 'b':2A 'ba':1237
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(1 row)
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SELECT $$'' '1' '2'$$::tsvector; -- error, empty lexeme is not allowed
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ERROR: syntax error in tsvector: "'' '1' '2'"
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LINE 1: SELECT $$'' '1' '2'$$::tsvector;
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^
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-- Also try it with non-error-throwing API
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SELECT pg_input_is_valid('foo', 'tsvector');
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pg_input_is_valid
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-------------------
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t
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(1 row)
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SELECT pg_input_is_valid($$''$$, 'tsvector');
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pg_input_is_valid
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-------------------
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f
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(1 row)
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SELECT * FROM pg_input_error_info($$''$$, 'tsvector');
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message | detail | hint | sql_error_code
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--------------------------------+--------+------+----------------
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syntax error in tsvector: "''" | | | 42601
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(1 row)
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--Base tsquery test
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SELECT '1'::tsquery;
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tsquery
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---------
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'1'
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(1 row)
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SELECT '1 '::tsquery;
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tsquery
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---------
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'1'
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(1 row)
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SELECT ' 1'::tsquery;
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tsquery
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---------
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'1'
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(1 row)
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SELECT ' 1 '::tsquery;
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tsquery
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---------
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'1'
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(1 row)
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SELECT '''1 2'''::tsquery;
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tsquery
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---------
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'1 2'
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(1 row)
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SELECT E'''1 \\''2'''::tsquery;
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tsquery
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---------
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'1 ''2'
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(1 row)
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SELECT '!1'::tsquery;
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tsquery
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---------
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!'1'
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(1 row)
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SELECT '1|2'::tsquery;
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tsquery
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-----------
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'1' | '2'
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(1 row)
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SELECT '1|!2'::tsquery;
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tsquery
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------------
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'1' | !'2'
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(1 row)
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SELECT '!1|2'::tsquery;
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tsquery
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------------
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!'1' | '2'
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(1 row)
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SELECT '!1|!2'::tsquery;
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tsquery
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-------------
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!'1' | !'2'
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(1 row)
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SELECT '!(!1|!2)'::tsquery;
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tsquery
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------------------
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!( !'1' | !'2' )
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(1 row)
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SELECT '!(!1|2)'::tsquery;
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tsquery
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-----------------
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!( !'1' | '2' )
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(1 row)
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SELECT '!(1|!2)'::tsquery;
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tsquery
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-----------------
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!( '1' | !'2' )
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(1 row)
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SELECT '!(1|2)'::tsquery;
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tsquery
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----------------
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!( '1' | '2' )
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(1 row)
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SELECT '1&2'::tsquery;
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tsquery
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-----------
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'1' & '2'
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(1 row)
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SELECT '!1&2'::tsquery;
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tsquery
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------------
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!'1' & '2'
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(1 row)
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SELECT '1&!2'::tsquery;
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tsquery
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------------
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'1' & !'2'
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(1 row)
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SELECT '!1&!2'::tsquery;
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tsquery
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-------------
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!'1' & !'2'
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(1 row)
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SELECT '(1&2)'::tsquery;
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tsquery
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-----------
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'1' & '2'
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(1 row)
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SELECT '1&(2)'::tsquery;
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tsquery
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-----------
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'1' & '2'
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(1 row)
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SELECT '!(1)&2'::tsquery;
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tsquery
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------------
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!'1' & '2'
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(1 row)
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SELECT '!(1&2)'::tsquery;
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tsquery
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----------------
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!( '1' & '2' )
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(1 row)
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SELECT '1|2&3'::tsquery;
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tsquery
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-----------------
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'1' | '2' & '3'
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(1 row)
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SELECT '1|(2&3)'::tsquery;
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tsquery
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-----------------
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'1' | '2' & '3'
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(1 row)
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SELECT '(1|2)&3'::tsquery;
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tsquery
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---------------------
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( '1' | '2' ) & '3'
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(1 row)
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SELECT '1|2&!3'::tsquery;
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tsquery
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------------------
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'1' | '2' & !'3'
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(1 row)
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SELECT '1|!2&3'::tsquery;
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tsquery
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------------------
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'1' | !'2' & '3'
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(1 row)
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SELECT '!1|2&3'::tsquery;
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tsquery
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------------------
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!'1' | '2' & '3'
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(1 row)
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SELECT '!1|(2&3)'::tsquery;
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tsquery
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------------------
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!'1' | '2' & '3'
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(1 row)
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SELECT '!(1|2)&3'::tsquery;
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tsquery
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----------------------
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!( '1' | '2' ) & '3'
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(1 row)
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SELECT '(!1|2)&3'::tsquery;
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tsquery
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----------------------
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( !'1' | '2' ) & '3'
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(1 row)
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SELECT '1|(2|(4|(5|6)))'::tsquery;
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tsquery
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-----------------------------
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'1' | '2' | '4' | '5' | '6'
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(1 row)
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SELECT '1|2|4|5|6'::tsquery;
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tsquery
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-----------------------------
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'1' | '2' | '4' | '5' | '6'
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(1 row)
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SELECT '1&(2&(4&(5&6)))'::tsquery;
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tsquery
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-----------------------------
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'1' & '2' & '4' & '5' & '6'
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(1 row)
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SELECT '1&2&4&5&6'::tsquery;
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tsquery
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-----------------------------
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'1' & '2' & '4' & '5' & '6'
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(1 row)
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SELECT '1&(2&(4&(5|6)))'::tsquery;
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tsquery
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---------------------------------
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'1' & '2' & '4' & ( '5' | '6' )
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(1 row)
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SELECT '1&(2&(4&(5|!6)))'::tsquery;
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tsquery
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----------------------------------
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'1' & '2' & '4' & ( '5' | !'6' )
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(1 row)
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SELECT E'1&(''2''&('' 4''&(\\|5 | ''6 \\'' !|&'')))'::tsquery;
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tsquery
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------------------------------------------
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'1' & '2' & ' 4' & ( '|5' | '6 '' !|&' )
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(1 row)
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SELECT $$'\\as'$$::tsquery;
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tsquery
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---------
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'\\as'
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(1 row)
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SELECT 'a:* & nbb:*ac | doo:a* | goo'::tsquery;
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tsquery
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--------------------------------------
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'a':* & 'nbb':*AC | 'doo':*A | 'goo'
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(1 row)
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SELECT '!!b'::tsquery;
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tsquery
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---------
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!!'b'
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(1 row)
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SELECT '!!!b'::tsquery;
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tsquery
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---------
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!!!'b'
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(1 row)
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SELECT '!(!b)'::tsquery;
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tsquery
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---------
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!!'b'
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(1 row)
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SELECT 'a & !!b'::tsquery;
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tsquery
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-------------
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'a' & !!'b'
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(1 row)
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SELECT '!!a & b'::tsquery;
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tsquery
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-------------
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!!'a' & 'b'
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(1 row)
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SELECT '!!a & !!b'::tsquery;
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tsquery
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---------------
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!!'a' & !!'b'
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(1 row)
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-- Also try it with non-error-throwing API
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SELECT pg_input_is_valid('foo', 'tsquery');
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pg_input_is_valid
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-------------------
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t
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(1 row)
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SELECT pg_input_is_valid('foo!', 'tsquery');
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pg_input_is_valid
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-------------------
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f
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(1 row)
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SELECT * FROM pg_input_error_info('foo!', 'tsquery');
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message | detail | hint | sql_error_code
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---------------------------------+--------+------+----------------
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syntax error in tsquery: "foo!" | | | 42601
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(1 row)
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SELECT * FROM pg_input_error_info('a <100000> b', 'tsquery');
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message | detail | hint | sql_error_code
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---------------------------------------------------------------------------------------+--------+------+----------------
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distance in phrase operator must be an integer value between zero and 16384 inclusive | | | 22023
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(1 row)
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--comparisons
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SELECT 'a' < 'b & c'::tsquery as "true";
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true
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------
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t
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(1 row)
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SELECT 'a' > 'b & c'::tsquery as "false";
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false
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-------
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f
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(1 row)
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SELECT 'a | f' < 'b & c'::tsquery as "false";
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false
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-------
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t
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(1 row)
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SELECT 'a | ff' < 'b & c'::tsquery as "false";
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false
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-------
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f
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(1 row)
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SELECT 'a | f | g' < 'b & c'::tsquery as "false";
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false
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-------
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f
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(1 row)
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--concatenation
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SELECT numnode( 'new'::tsquery );
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numnode
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---------
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1
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(1 row)
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SELECT numnode( 'new & york'::tsquery );
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numnode
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---------
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3
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(1 row)
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SELECT numnode( 'new & york | qwery'::tsquery );
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numnode
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---------
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5
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(1 row)
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SELECT 'foo & bar'::tsquery && 'asd';
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?column?
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-----------------------
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'foo' & 'bar' & 'asd'
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(1 row)
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SELECT 'foo & bar'::tsquery || 'asd & fg';
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?column?
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------------------------------
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'foo' & 'bar' | 'asd' & 'fg'
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(1 row)
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SELECT 'foo & bar'::tsquery || !!'asd & fg'::tsquery;
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?column?
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-----------------------------------
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'foo' & 'bar' | !( 'asd' & 'fg' )
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(1 row)
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SELECT 'foo & bar'::tsquery && 'asd | fg';
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?column?
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----------------------------------
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'foo' & 'bar' & ( 'asd' | 'fg' )
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(1 row)
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SELECT 'a' <-> 'b & d'::tsquery;
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?column?
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-----------------------
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'a' <-> ( 'b' & 'd' )
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(1 row)
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SELECT 'a & g' <-> 'b & d'::tsquery;
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?column?
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---------------------------------
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( 'a' & 'g' ) <-> ( 'b' & 'd' )
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(1 row)
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SELECT 'a & g' <-> 'b | d'::tsquery;
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?column?
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---------------------------------
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( 'a' & 'g' ) <-> ( 'b' | 'd' )
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(1 row)
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SELECT 'a & g' <-> 'b <-> d'::tsquery;
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?column?
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-----------------------------------
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( 'a' & 'g' ) <-> ( 'b' <-> 'd' )
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(1 row)
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SELECT tsquery_phrase('a <3> g', 'b & d', 10);
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tsquery_phrase
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--------------------------------
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'a' <3> 'g' <10> ( 'b' & 'd' )
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(1 row)
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-- tsvector-tsquery operations
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:B' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:A' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:C' as "false";
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false
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-------
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f
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(1 row)
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca:CB' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & c:*C' as "false";
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false
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-------
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f
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(1 row)
|
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SELECT 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & c:*CB' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64b cb:80c d:34c'::tsvector @@ 'd:AC & c:*C' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64c cb:80b d:34c'::tsvector @@ 'd:AC & c:*C' as "true";
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true
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------
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t
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(1 row)
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SELECT 'a b:89 ca:23A,64c cb:80b d:34c'::tsvector @@ 'd:AC & c:*B' as "true";
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true
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------
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t
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(1 row)
|
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SELECT 'wa:1D wb:2A'::tsvector @@ 'w:*D & w:*A'::tsquery as "true";
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true
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------
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|
t
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(1 row)
|
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SELECT 'wa:1D wb:2A'::tsvector @@ 'w:*D <-> w:*A'::tsquery as "true";
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true
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------
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t
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(1 row)
|
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SELECT 'wa:1A wb:2D'::tsvector @@ 'w:*D <-> w:*A'::tsquery as "false";
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false
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-------
|
|
f
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|
(1 row)
|
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SELECT 'wa:1A'::tsvector @@ 'w:*A'::tsquery as "true";
|
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true
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------
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|
t
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|
(1 row)
|
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SELECT 'wa:1A'::tsvector @@ 'w:*D'::tsquery as "false";
|
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false
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|
-------
|
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f
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|
(1 row)
|
|
|
|
SELECT 'wa:1A'::tsvector @@ '!w:*A'::tsquery as "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'wa:1A'::tsvector @@ '!w:*D'::tsquery as "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
-- historically, a stripped tsvector matches queries ignoring weights:
|
|
SELECT strip('wa:1A'::tsvector) @@ 'w:*A'::tsquery as "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT strip('wa:1A'::tsvector) @@ 'w:*D'::tsquery as "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT strip('wa:1A'::tsvector) @@ '!w:*A'::tsquery as "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT strip('wa:1A'::tsvector) @@ '!w:*D'::tsquery as "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'supernova'::tsvector @@ 'super'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'supeanova supernova'::tsvector @@ 'super'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'supeznova supernova'::tsvector @@ 'super'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'supernova'::tsvector @@ 'super:*'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 'supeanova supernova'::tsvector @@ 'super:*'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 'supeznova supernova'::tsvector @@ 'super:*'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
--phrase search
|
|
SELECT to_tsvector('simple', '1 2 3 1') @@ '1 <-> 2' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 1') @@ '1 <2> 2' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 1') @@ '1 <-> 3' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 1') @@ '1 <2> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 1 2') @@ '1 <3> 2' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 11 3') @@ '1 <-> 3' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 11 3') @@ '1:* <-> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 4') @@ '1 <-> 2 <-> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 4') @@ '(1 <-> 2) <-> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 4') @@ '1 <-> (2 <-> 3)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 3 4') @@ '1 <2> (2 <-> 3)' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 1 2 3 4') @@ '(1 <-> 2) <-> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT to_tsvector('simple', '1 2 1 2 3 4') @@ '1 <-> 2 <-> 3' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
-- without position data, phrase search does not match
|
|
SELECT strip(to_tsvector('simple', '1 2 3 4')) @@ '1 <-> 2 <-> 3' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q x q y') @@ 'q <-> (x & y)' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q x') @@ 'q <-> (x | y <-> z)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q y') @@ 'q <-> (x | y <-> z)' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q y z') @@ 'q <-> (x | y <-> z)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q y x') @@ 'q <-> (x | y <-> z)' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q x y') @@ 'q <-> (x | y <-> z)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'q x') @@ '(x | y <-> z) <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x q') @@ '(x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(x | y <-> z) <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y z') @@ '(x | y <-> z) <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y z q') @@ '(x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'y z q') @@ '(x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'y y q') @@ '(x | y <-> z) <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'y y q') @@ '(!x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(!x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'y y q') @@ '(x | y <-> !z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x q') @@ '(x | y <-> !z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x q') @@ '(!x | y <-> z) <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'z q') @@ '(!x | y <-> z) <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(!x | y) <-> y <-> q' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(!x | !y) <-> y <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(x | !y) <-> y <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q') @@ '(x | !!z) <-> y <-> q' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!x <-> y' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!x <-> !y' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!x <-> !!y' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!(x <-> y)' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!(x <2> y)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select strip(to_tsvector('simple', 'x y q y')) @@ '!x <-> y' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select strip(to_tsvector('simple', 'x y q y')) @@ '!x <-> !y' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select strip(to_tsvector('simple', 'x y q y')) @@ '!x <-> !!y' AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
select strip(to_tsvector('simple', 'x y q y')) @@ '!(x <-> y)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select strip(to_tsvector('simple', 'x y q y')) @@ '!(x <2> y)' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', 'x y q y') @@ '!foo' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
select to_tsvector('simple', '') @@ '!foo' AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
--ranking
|
|
SELECT ts_rank(' a:1 s:2C d g'::tsvector, 'a | s');
|
|
ts_rank
|
|
-----------
|
|
0.0911891
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 sa:2C d g'::tsvector, 'a | s');
|
|
ts_rank
|
|
-----------
|
|
0.0303964
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 sa:2C d g'::tsvector, 'a | s:*');
|
|
ts_rank
|
|
-----------
|
|
0.0911891
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 sa:2C d g'::tsvector, 'a | sa:*');
|
|
ts_rank
|
|
-----------
|
|
0.0911891
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 s:2B d g'::tsvector, 'a | s');
|
|
ts_rank
|
|
----------
|
|
0.151982
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 s:2 d g'::tsvector, 'a | s');
|
|
ts_rank
|
|
-----------
|
|
0.0607927
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 s:2C d g'::tsvector, 'a & s');
|
|
ts_rank
|
|
----------
|
|
0.140153
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 s:2B d g'::tsvector, 'a & s');
|
|
ts_rank
|
|
----------
|
|
0.198206
|
|
(1 row)
|
|
|
|
SELECT ts_rank(' a:1 s:2 d g'::tsvector, 'a & s');
|
|
ts_rank
|
|
-----------
|
|
0.0991032
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2C d g'::tsvector, 'a | s');
|
|
ts_rank_cd
|
|
------------
|
|
0.3
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2C d g'::tsvector, 'a | s');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2C d g'::tsvector, 'a | s:*');
|
|
ts_rank_cd
|
|
------------
|
|
0.3
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2C d g'::tsvector, 'a | sa:*');
|
|
ts_rank_cd
|
|
------------
|
|
0.3
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:3C sab:2c d g'::tsvector, 'a | sa:*');
|
|
ts_rank_cd
|
|
------------
|
|
0.5
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2B d g'::tsvector, 'a | s');
|
|
ts_rank_cd
|
|
------------
|
|
0.5
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2 d g'::tsvector, 'a | s');
|
|
ts_rank_cd
|
|
------------
|
|
0.2
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2C d g'::tsvector, 'a & s');
|
|
ts_rank_cd
|
|
------------
|
|
0.133333
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2B d g'::tsvector, 'a & s');
|
|
ts_rank_cd
|
|
------------
|
|
0.16
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2 d g'::tsvector, 'a & s');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2A d g'::tsvector, 'a <-> s');
|
|
ts_rank_cd
|
|
------------
|
|
0.181818
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2C d g'::tsvector, 'a <-> s');
|
|
ts_rank_cd
|
|
------------
|
|
0.133333
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2 d g'::tsvector, 'a <-> s');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2 d:2A g'::tsvector, 'a <-> s');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 s:2,3A d:2A g'::tsvector, 'a <2> s:A');
|
|
ts_rank_cd
|
|
------------
|
|
0.0909091
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 b:2 s:3A d:2A g'::tsvector, 'a <2> s:A');
|
|
ts_rank_cd
|
|
------------
|
|
0.0909091
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2D sb:2A g'::tsvector, 'a <-> s:*');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2A sb:2D g'::tsvector, 'a <-> s:*');
|
|
ts_rank_cd
|
|
------------
|
|
0.1
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2A sb:2D g'::tsvector, 'a <-> s:* <-> sa:A');
|
|
ts_rank_cd
|
|
------------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT ts_rank_cd(' a:1 sa:2A sb:2D g'::tsvector, 'a <-> s:* <-> sa:B');
|
|
ts_rank_cd
|
|
------------
|
|
0
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:2'::tsvector @@ 'a <-> b'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:2'::tsvector @@ 'a <0> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:2'::tsvector @@ 'a <1> b'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:2'::tsvector @@ 'a <2> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <-> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <0> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <1> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <2> b'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <3> b'::tsquery AS "false";
|
|
false
|
|
-------
|
|
f
|
|
(1 row)
|
|
|
|
SELECT 'a:1 b:3'::tsvector @@ 'a <0> a:*'::tsquery AS "true";
|
|
true
|
|
------
|
|
t
|
|
(1 row)
|
|
|
|
-- tsvector editing operations
|
|
SELECT strip('w:12B w:13* w:12,5,6 a:1,3* a:3 w asd:1dc asd'::tsvector);
|
|
strip
|
|
---------------
|
|
'a' 'asd' 'w'
|
|
(1 row)
|
|
|
|
SELECT strip('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
|
|
strip
|
|
----------------------------------------------
|
|
'base' 'hidden' 'rebel' 'spaceship' 'strike'
|
|
(1 row)
|
|
|
|
SELECT strip('base hidden rebel spaceship strike'::tsvector);
|
|
strip
|
|
----------------------------------------------
|
|
'base' 'hidden' 'rebel' 'spaceship' 'strike'
|
|
(1 row)
|
|
|
|
SELECT ts_delete(to_tsvector('english', 'Rebel spaceships, striking from a hidden base'), 'spaceship');
|
|
ts_delete
|
|
------------------------------------------
|
|
'base':7 'hidden':6 'rebel':1 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'base');
|
|
ts_delete
|
|
--------------------------------------------------------------
|
|
'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bas');
|
|
ts_delete
|
|
-----------------------------------------------------------------------
|
|
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'bases');
|
|
ts_delete
|
|
-----------------------------------------------------------------------
|
|
'base':7 'hidden':6 'rebel':1 'spaceship':2,33A,34B,35C,36 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, 'spaceship');
|
|
ts_delete
|
|
------------------------------------------
|
|
'base':7 'hidden':6 'rebel':1 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, 'spaceship');
|
|
ts_delete
|
|
----------------------------------
|
|
'base' 'hidden' 'rebel' 'strike'
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','rebel']);
|
|
ts_delete
|
|
--------------------------------
|
|
'base':7 'hidden':6 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceships','rebel']);
|
|
ts_delete
|
|
-------------------------------------------------------------
|
|
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceshi','rebel']);
|
|
ts_delete
|
|
-------------------------------------------------------------
|
|
'base':7 'hidden':6 'spaceship':2,33A,34B,35C,36 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector, ARRAY['spaceship','leya','rebel']);
|
|
ts_delete
|
|
--------------------------------
|
|
'base':7 'hidden':6 'strike':3
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel']);
|
|
ts_delete
|
|
--------------------------
|
|
'base' 'hidden' 'strike'
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel','rebel']);
|
|
ts_delete
|
|
--------------------------
|
|
'base' 'hidden' 'strike'
|
|
(1 row)
|
|
|
|
SELECT ts_delete('base hidden rebel spaceship strike'::tsvector, ARRAY['spaceship','leya','rebel', '', NULL]);
|
|
ts_delete
|
|
--------------------------
|
|
'base' 'hidden' 'strike'
|
|
(1 row)
|
|
|
|
SELECT unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
|
|
unnest
|
|
---------------------------------------------
|
|
(base,{7},{D})
|
|
(hidden,{6},{D})
|
|
(rebel,{1},{D})
|
|
(spaceship,"{2,33,34,35,36}","{D,A,B,C,D}")
|
|
(strike,{3},{D})
|
|
(5 rows)
|
|
|
|
SELECT unnest('base hidden rebel spaceship strike'::tsvector);
|
|
unnest
|
|
---------------
|
|
(base,,)
|
|
(hidden,,)
|
|
(rebel,,)
|
|
(spaceship,,)
|
|
(strike,,)
|
|
(5 rows)
|
|
|
|
SELECT * FROM unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
|
|
lexeme | positions | weights
|
|
-----------+-----------------+-------------
|
|
base | {7} | {D}
|
|
hidden | {6} | {D}
|
|
rebel | {1} | {D}
|
|
spaceship | {2,33,34,35,36} | {D,A,B,C,D}
|
|
strike | {3} | {D}
|
|
(5 rows)
|
|
|
|
SELECT * FROM unnest('base hidden rebel spaceship strike'::tsvector);
|
|
lexeme | positions | weights
|
|
-----------+-----------+---------
|
|
base | |
|
|
hidden | |
|
|
rebel | |
|
|
spaceship | |
|
|
strike | |
|
|
(5 rows)
|
|
|
|
SELECT lexeme, positions[1] from unnest('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
|
|
lexeme | positions
|
|
-----------+-----------
|
|
base | 7
|
|
hidden | 6
|
|
rebel | 1
|
|
spaceship | 2
|
|
strike | 3
|
|
(5 rows)
|
|
|
|
SELECT tsvector_to_array('base:7 hidden:6 rebel:1 spaceship:2,33A,34B,35C,36D strike:3'::tsvector);
|
|
tsvector_to_array
|
|
--------------------------------------
|
|
{base,hidden,rebel,spaceship,strike}
|
|
(1 row)
|
|
|
|
SELECT tsvector_to_array('base hidden rebel spaceship strike'::tsvector);
|
|
tsvector_to_array
|
|
--------------------------------------
|
|
{base,hidden,rebel,spaceship,strike}
|
|
(1 row)
|
|
|
|
SELECT array_to_tsvector(ARRAY['base','hidden','rebel','spaceship','strike']);
|
|
array_to_tsvector
|
|
----------------------------------------------
|
|
'base' 'hidden' 'rebel' 'spaceship' 'strike'
|
|
(1 row)
|
|
|
|
-- null and empty string are disallowed, since we mustn't make an empty lexeme
|
|
SELECT array_to_tsvector(ARRAY['base','hidden','rebel','spaceship', NULL]);
|
|
ERROR: lexeme array may not contain nulls
|
|
SELECT array_to_tsvector(ARRAY['base','hidden','rebel','spaceship', '']);
|
|
ERROR: lexeme array may not contain empty strings
|
|
-- array_to_tsvector must sort and de-dup
|
|
SELECT array_to_tsvector(ARRAY['foo','bar','baz','bar']);
|
|
array_to_tsvector
|
|
-------------------
|
|
'bar' 'baz' 'foo'
|
|
(1 row)
|
|
|
|
SELECT setweight('w:12B w:13* w:12,5,6 a:1,3* a:3 w asd:1dc asd zxc:81,567,222A'::tsvector, 'c');
|
|
setweight
|
|
----------------------------------------------------------
|
|
'a':1C,3C 'asd':1C 'w':5C,6C,12C,13C 'zxc':81C,222C,567C
|
|
(1 row)
|
|
|
|
SELECT setweight('a:1,3A asd:1C w:5,6,12B,13A zxc:81,222A,567'::tsvector, 'c');
|
|
setweight
|
|
----------------------------------------------------------
|
|
'a':1C,3C 'asd':1C 'w':5C,6C,12C,13C 'zxc':81C,222C,567C
|
|
(1 row)
|
|
|
|
SELECT setweight('a:1,3A asd:1C w:5,6,12B,13A zxc:81,222A,567'::tsvector, 'c', '{a}');
|
|
setweight
|
|
------------------------------------------------------
|
|
'a':1C,3C 'asd':1C 'w':5,6,12B,13A 'zxc':81,222A,567
|
|
(1 row)
|
|
|
|
SELECT setweight('a:1,3A asd:1C w:5,6,12B,13A zxc:81,222A,567'::tsvector, 'c', '{a}');
|
|
setweight
|
|
------------------------------------------------------
|
|
'a':1C,3C 'asd':1C 'w':5,6,12B,13A 'zxc':81,222A,567
|
|
(1 row)
|
|
|
|
SELECT setweight('a:1,3A asd:1C w:5,6,12B,13A zxc:81,222A,567'::tsvector, 'c', '{a,zxc}');
|
|
setweight
|
|
--------------------------------------------------------
|
|
'a':1C,3C 'asd':1C 'w':5,6,12B,13A 'zxc':81C,222C,567C
|
|
(1 row)
|
|
|
|
SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', '', NULL]);
|
|
setweight
|
|
---------------------------------
|
|
'a' 'asd' 'w':5,6,12B,13A 'zxc'
|
|
(1 row)
|
|
|
|
SELECT ts_filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
|
|
ts_filter
|
|
-------------------------------------------------------------
|
|
'base':7A 'hidden':6A 'rebel':1A 'spaceship':2A 'strike':3A
|
|
(1 row)
|
|
|
|
SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a}');
|
|
ts_filter
|
|
-----------
|
|
|
|
(1 row)
|
|
|
|
SELECT ts_filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
|
|
ERROR: weight array may not contain nulls
|