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please apply attached patch to current CVS.

Browse Source 
Changes:

 1. Added support for boolean queries (indexable operator @@, looks like
       a @@ '1|(2&3)'
 2. Some code cleanup and optimization

        Regards,
                Oleg
This commit is contained in:
Bruce Momjian
2001-09-23 04:16:16 +00:00
parent 296011d87e
commit 484a0fa454
5 changed files with 1256 additions and 91 deletions
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58
contrib/intarray/sql/_int.sql
View File

@ -6,21 +6,79 @@
\i _int.sql
\set ECHO all
--test query_int
select '1'::query_int;
select ' 1'::query_int;
select '1 '::query_int;
select ' 1 '::query_int;
select ' ! 1 '::query_int;
select '!1'::query_int;
select '1|2'::query_int;
select '1|!2'::query_int;
select '!1|2'::query_int;
select '!1|!2'::query_int;
select '!(!1|!2)'::query_int;
select '!(!1|2)'::query_int;
select '!(1|!2)'::query_int;
select '!(1|2)'::query_int;
select '1&2'::query_int;
select '!1&2'::query_int;
select '1&!2'::query_int;
select '!1&!2'::query_int;
select '(1&2)'::query_int;
select '1&(2)'::query_int;
select '!(1)&2'::query_int;
select '!(1&2)'::query_int;
select '1|2&3'::query_int;
select '1|(2&3)'::query_int;
select '(1|2)&3'::query_int;
select '1|2&!3'::query_int;
select '1|!2&3'::query_int;
select '!1|2&3'::query_int;
select '!1|(2&3)'::query_int;
select '!(1|2)&3'::query_int;
select '(!1|2)&3'::query_int;
select '1|(2|(4|(5|6)))'::query_int;
select '1|2|4|5|6'::query_int;
select '1&(2&(4&(5&6)))'::query_int;
select '1&2&4&5&6'::query_int;
select '1&(2&(4&(5|6)))'::query_int;
select '1&(2&(4&(5|!6)))'::query_int;
CREATE TABLE test__int( a int[] );
\copy test__int from 'data/test__int.data'
SELECT count(*) from test__int WHERE a && '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23|50';
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @@ '50&68';
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );
SELECT count(*) from test__int WHERE a && '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23|50';
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @@ '50&68';
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
drop index text_idx;
CREATE INDEX text_idx on test__int using gist ( a gist__intbig_ops );
SELECT count(*) from test__int WHERE a && '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23|50';
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @@ '50&68';
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';