mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
484a0fa454
Changes:
1. Added support for boolean queries (indexable operator @@, looks like
a @@ '1|(2&3)'
2. Some code cleanup and optimization
Regards,
Oleg
85 lines
2.7 KiB
PL/PgSQL
85 lines
2.7 KiB
PL/PgSQL
--
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-- first, define the datatype. Turn off echoing so that expected file
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-- does not depend on contents of seg.sql.
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--
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\set ECHO none
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\i _int.sql
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\set ECHO all
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--test query_int
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select '1'::query_int;
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select ' 1'::query_int;
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select '1 '::query_int;
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select ' 1 '::query_int;
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select ' ! 1 '::query_int;
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select '!1'::query_int;
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select '1|2'::query_int;
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select '1|!2'::query_int;
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select '!1|2'::query_int;
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select '!1|!2'::query_int;
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select '!(!1|!2)'::query_int;
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select '!(!1|2)'::query_int;
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select '!(1|!2)'::query_int;
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select '!(1|2)'::query_int;
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select '1&2'::query_int;
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select '!1&2'::query_int;
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select '1&!2'::query_int;
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select '!1&!2'::query_int;
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select '(1&2)'::query_int;
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select '1&(2)'::query_int;
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select '!(1)&2'::query_int;
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select '!(1&2)'::query_int;
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select '1|2&3'::query_int;
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select '1|(2&3)'::query_int;
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select '(1|2)&3'::query_int;
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select '1|2&!3'::query_int;
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select '1|!2&3'::query_int;
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select '!1|2&3'::query_int;
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select '!1|(2&3)'::query_int;
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select '!(1|2)&3'::query_int;
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select '(!1|2)&3'::query_int;
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select '1|(2|(4|(5|6)))'::query_int;
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select '1|2|4|5|6'::query_int;
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select '1&(2&(4&(5&6)))'::query_int;
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select '1&2&4&5&6'::query_int;
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select '1&(2&(4&(5|6)))'::query_int;
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select '1&(2&(4&(5|!6)))'::query_int;
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CREATE TABLE test__int( a int[] );
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\copy test__int from 'data/test__int.data'
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SELECT count(*) from test__int WHERE a && '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23|50';
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SELECT count(*) from test__int WHERE a @ '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23&50';
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SELECT count(*) from test__int WHERE a @ '{20,23}';
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SELECT count(*) from test__int WHERE a @@ '50&68';
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SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
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SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
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CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );
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SELECT count(*) from test__int WHERE a && '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23|50';
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SELECT count(*) from test__int WHERE a @ '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23&50';
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SELECT count(*) from test__int WHERE a @ '{20,23}';
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SELECT count(*) from test__int WHERE a @@ '50&68';
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SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
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SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
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drop index text_idx;
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CREATE INDEX text_idx on test__int using gist ( a gist__intbig_ops );
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SELECT count(*) from test__int WHERE a && '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23|50';
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SELECT count(*) from test__int WHERE a @ '{23,50}';
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SELECT count(*) from test__int WHERE a @@ '23&50';
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SELECT count(*) from test__int WHERE a @ '{20,23}';
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SELECT count(*) from test__int WHERE a @@ '50&68';
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SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
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SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
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