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Rename contrib contains/contained-by operators to @> and <@, per discussion.

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This commit is contained in:
Tom Lane
2006-09-10 17:36:52 +00:00
parent ba920e1c91
commit 684ad6a92f
36 changed files with 1290 additions and 1111 deletions
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22
contrib/intarray/README.intarray
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@ -70,10 +70,10 @@ test=# select intset(1);
OPERATIONS:
int[] && int[] - overlap - returns TRUE if arrays has at least one common elements.
int[] @ int[] - contains - returns TRUE if left array contains right array
int[] ~ int[] - contained - returns TRUE if left array is contained in right array
# int[] - return the number of elements in array
int[] && int[] - overlap - returns TRUE if arrays have at least one common element
int[] @> int[] - contains - returns TRUE if left array contains right array
int[] <@ int[] - contained - returns TRUE if left array is contained in right array
# int[] - returns the number of elements in array
int[] + int - push element to array ( add to end of array)
int[] + int[] - merge of arrays (right array added to the end of left one)
int[] - int - remove entries matched by right argument from array
@ -81,8 +81,14 @@ OPERATIONS:
int[] | int - returns intarray - union of arguments
int[] | int[] - returns intarray as a union of two arrays
int[] & int[] - returns intersection of arrays
int[] @@ query_int - returns TRUE if array satisfies query (like '1&(2|3)')
query_int ~~ int[] - -/-
int[] @@ query_int - returns TRUE if array satisfies query (like '1&(2|3)')
query_int ~~ int[] - returns TRUE if array satisfies query (commutator of @@)
(Before PostgreSQL 8.2, the containment operators @> and <@ were
respectively called @ and ~. These names are still available, but are
deprecated and will eventually be retired. Notice that the old names
are reversed from the convention formerly followed by the core geometric
datatypes!)
CHANGES:
@ -128,9 +134,9 @@ CREATE INDEX message_rdtree_idx on message using gist ( sections gist__int_ops);
select message.mid from message where message.sections && '{1,2}';
-- select messages contains in sections 1 AND 2 - CONTAINS operator
select message.mid from message where message.sections @ '{1,2}';
select message.mid from message where message.sections @> '{1,2}';
-- the same, CONTAINED operator
select message.mid from message where '{1,2}' ~ message.sections;
select message.mid from message where '{1,2}' <@ message.sections;
BENCHMARK:

65
contrib/intarray/_int.sql.in
View File

@ -12,12 +12,12 @@ BEGIN;
CREATE FUNCTION bqarr_in(cstring)
RETURNS query_int
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE FUNCTION bqarr_out(query_int)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE TYPE query_int (
INTERNALLENGTH = -1,
@ -29,20 +29,20 @@ CREATE TYPE query_int (
CREATE FUNCTION querytree(query_int)
RETURNS text
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE FUNCTION boolop(_int4, query_int)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION boolop(_int4, query_int) IS 'boolean operation with array';
CREATE FUNCTION rboolop(query_int, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION rboolop(query_int, _int4) IS 'boolean operation with array';
@ -74,35 +74,35 @@ CREATE OPERATOR ~~ (
CREATE FUNCTION _int_contains(_int4, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION _int_contains(_int4, _int4) IS 'contains';
CREATE FUNCTION _int_contained(_int4, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION _int_contained(_int4, _int4) IS 'contained in';
CREATE FUNCTION _int_overlap(_int4, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION _int_overlap(_int4, _int4) IS 'overlaps';
CREATE FUNCTION _int_same(_int4, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION _int_same(_int4, _int4) IS 'same as';
CREATE FUNCTION _int_different(_int4, _int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
COMMENT ON FUNCTION _int_different(_int4, _int4) IS 'different';
@ -111,12 +111,12 @@ COMMENT ON FUNCTION _int_different(_int4, _int4) IS 'different';
CREATE FUNCTION _int_union(_int4, _int4)
RETURNS _int4
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE FUNCTION _int_inter(_int4, _int4)
RETURNS _int4
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
--
-- OPERATORS
@ -153,6 +153,25 @@ CREATE OPERATOR && (
-- JOIN = neqjoinsel
--);
CREATE OPERATOR @> (
LEFTARG = _int4,
RIGHTARG = _int4,
PROCEDURE = _int_contains,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
CREATE OPERATOR <@ (
LEFTARG = _int4,
RIGHTARG = _int4,
PROCEDURE = _int_contained,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
-- obsolete:
CREATE OPERATOR @ (
LEFTARG = _int4,
RIGHTARG = _int4,
@ -347,8 +366,10 @@ CREATE OPERATOR CLASS gist__int_ops
DEFAULT FOR TYPE _int4 USING gist AS
OPERATOR 3 &&,
OPERATOR 6 = (anyarray, anyarray) RECHECK,
OPERATOR 7 @,
OPERATOR 8 ~,
OPERATOR 7 @>,
OPERATOR 8 <@,
OPERATOR 13 @,
OPERATOR 14 ~,
OPERATOR 20 @@ (_int4, query_int),
FUNCTION 1 g_int_consistent (internal, _int4, int4),
FUNCTION 2 g_int_union (internal, internal),
@ -367,12 +388,12 @@ DEFAULT FOR TYPE _int4 USING gist AS
CREATE FUNCTION _intbig_in(cstring)
RETURNS intbig_gkey
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE FUNCTION _intbig_out(intbig_gkey)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE C RETURNS NULL ON NULL INPUT;
LANGUAGE C RETURNS NULL ON NULL INPUT IMMUTABLE;
CREATE TYPE intbig_gkey (
INTERNALLENGTH = -1,
@ -422,8 +443,10 @@ FOR TYPE _int4 USING gist
AS
OPERATOR 3 && RECHECK,
OPERATOR 6 = (anyarray, anyarray) RECHECK,
OPERATOR 7 @ RECHECK,
OPERATOR 8 ~ RECHECK,
OPERATOR 7 @> RECHECK,
OPERATOR 8 <@ RECHECK,
OPERATOR 13 @ RECHECK,
OPERATOR 14 ~ RECHECK,
OPERATOR 20 @@ (_int4, query_int) RECHECK,
FUNCTION 1 g_intbig_consistent (internal, internal, int4),
FUNCTION 2 g_intbig_union (internal, internal),
@ -455,8 +478,10 @@ DEFAULT FOR TYPE _int4 USING gin
AS
OPERATOR 3 &&,
OPERATOR 6 = (anyarray, anyarray) RECHECK,
OPERATOR 7 @,
OPERATOR 8 ~ RECHECK,
OPERATOR 7 @>,
OPERATOR 8 <@ RECHECK,
OPERATOR 13 @,
OPERATOR 14 ~ RECHECK,
OPERATOR 20 @@ (_int4, query_int),
FUNCTION 1 btint4cmp (int4, int4),
FUNCTION 2 ginarrayextract (anyarray, internal),

2
contrib/intarray/_int_gin.c
View File

@ -68,12 +68,14 @@ ginint4_consistent(PG_FUNCTION_ARGS) {
switch( strategy ) {
case RTOverlapStrategyNumber:
case RTContainedByStrategyNumber:
case RTOldContainedByStrategyNumber:
/* at least one element in check[] is true, so result = true */
res = TRUE;
break;
case RTSameStrategyNumber:
case RTContainsStrategyNumber:
case RTOldContainsStrategyNumber:
res = TRUE;
do {
ArrayType *query = PG_GETARG_ARRAYTYPE_P(2);

2
contrib/intarray/_int_gist.c
View File

@ -72,10 +72,12 @@ g_int_consistent(PG_FUNCTION_ARGS)
query);
break;
case RTContainsStrategyNumber:
case RTOldContainsStrategyNumber:
retval = inner_int_contains((ArrayType *) DatumGetPointer(entry->key),
query);
break;
case RTContainedByStrategyNumber:
case RTOldContainedByStrategyNumber:
if (GIST_LEAF(entry))
retval = inner_int_contains(query,
(ArrayType *) DatumGetPointer(entry->key));

2
contrib/intarray/_intbig_gist.c
View File

@ -560,9 +560,11 @@ g_intbig_consistent(PG_FUNCTION_ARGS)
retval = _intbig_contains((GISTTYPE *) DatumGetPointer(entry->key), query);
break;
case RTContainsStrategyNumber:
case RTOldContainsStrategyNumber:
retval = _intbig_contains((GISTTYPE *) DatumGetPointer(entry->key), query);
break;
case RTContainedByStrategyNumber:
case RTOldContainedByStrategyNumber:
if (GIST_LEAF(entry))
{
int i,

32
contrib/intarray/expected/_int.out
View File

@ -2,13 +2,9 @@
-- first, define the datatype. Turn off echoing so that expected file
-- does not depend on contents of _int.sql.
--
SET client_min_messages = warning;
\set ECHO none
psql:_int.sql:15: NOTICE: type "query_int" is not yet defined
DETAIL: Creating a shell type definition.
psql:_int.sql:20: NOTICE: argument type query_int is only a shell
psql:_int.sql:370: NOTICE: type "intbig_gkey" is not yet defined
DETAIL: Creating a shell type definition.
psql:_int.sql:375: NOTICE: argument type intbig_gkey is only a shell
RESET client_min_messages;
SELECT intset(1234);
intset
--------
@ -384,7 +380,7 @@ SELECT count(*) from test__int WHERE a @@ '23|50';
403
(1 row)
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @> '{23,50}';
count
-------
12
@ -396,7 +392,7 @@ SELECT count(*) from test__int WHERE a @@ '23&50';
12
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @> '{20,23}';
count
-------
12
@ -408,7 +404,7 @@ SELECT count(*) from test__int WHERE a @@ '50&68';
9
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
count
-------
21
@ -433,7 +429,7 @@ SELECT count(*) from test__int WHERE a @@ '23|50';
403
(1 row)
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @> '{23,50}';
count
-------
12
@ -445,7 +441,7 @@ SELECT count(*) from test__int WHERE a @@ '23&50';
12
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @> '{20,23}';
count
-------
12
@ -457,7 +453,7 @@ SELECT count(*) from test__int WHERE a @@ '50&68';
9
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
count
-------
21
@ -483,7 +479,7 @@ SELECT count(*) from test__int WHERE a @@ '23|50';
403
(1 row)
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @> '{23,50}';
count
-------
12
@ -495,7 +491,7 @@ SELECT count(*) from test__int WHERE a @@ '23&50';
12
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @> '{20,23}';
count
-------
12
@ -507,7 +503,7 @@ SELECT count(*) from test__int WHERE a @@ '50&68';
9
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
count
-------
21
@ -533,7 +529,7 @@ SELECT count(*) from test__int WHERE a @@ '23|50';
403
(1 row)
SELECT count(*) from test__int WHERE a @ '{23,50}';
SELECT count(*) from test__int WHERE a @> '{23,50}';
count
-------
12
@ -545,7 +541,7 @@ SELECT count(*) from test__int WHERE a @@ '23&50';
12
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}';
SELECT count(*) from test__int WHERE a @> '{20,23}';
count
-------
12
@ -557,7 +553,7 @@ SELECT count(*) from test__int WHERE a @@ '50&68';
9
(1 row)
SELECT count(*) from test__int WHERE a @ '{20,23}' or a @ '{50,68}';
SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
count
-------
21

26
contrib/intarray/sql/_int.sql
View File

@ -2,9 +2,11 @@
-- first, define the datatype. Turn off echoing so that expected file
-- does not depend on contents of _int.sql.
--
SET client_min_messages = warning;
\set ECHO none
\i _int.sql
\set ECHO all
RESET client_min_messages;
SELECT intset(1234);
SELECT icount('{1234234,234234}');
@ -78,22 +80,22 @@ CREATE TABLE test__int( a int[] );
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 @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
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}' 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 @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
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}' or a @> '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
DROP INDEX text_idx;
@ -101,11 +103,11 @@ 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 @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
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}' or a @> '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
DROP INDEX text_idx;
@ -113,9 +115,9 @@ CREATE INDEX text_idx on test__int using gin ( a );
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 @@ '23&50';
SELECT count(*) from test__int WHERE a @ '{20,23}';
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}' or a @> '{50,68}';
SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';

10
contrib/intarray/uninstall__int.sql
View File

@ -1,5 +1,11 @@
SET search_path = public;
DROP OPERATOR CLASS gin__int_ops USING gin;
DROP FUNCTION ginint4_queryextract(internal, internal, int2);
DROP FUNCTION ginint4_consistent(internal, int2, internal);
DROP OPERATOR CLASS gist__intbig_ops USING gist;
DROP FUNCTION g_intbig_same(internal, internal, internal);
@ -82,6 +88,10 @@ DROP FUNCTION icount(_int4);
DROP FUNCTION intset(int4);
DROP OPERATOR <@ (_int4, _int4);
DROP OPERATOR @> (_int4, _int4);
DROP OPERATOR ~ (_int4, _int4);
DROP OPERATOR @ (_int4, _int4);