mirror of
				https://github.com/postgres/postgres.git
				synced 2025-10-29 00:05:29 -04:00 
			
		
		
		
	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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| 
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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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| 
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| 
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| CREATE TABLE test__int( a int[] );
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| 
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| \copy test__int from 'data/test__int.data'
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| 
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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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| 
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| CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );
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| 
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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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| 
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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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| 
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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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| 
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