database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-27 12:41:57 +03:00
Code Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

36
contrib/seg/sql/seg.sql
View File

@ -6,9 +6,11 @@
-- first, define the datatype. Turn off echoing so that expected file
-- does not depend on contents of seg.sql.
--
SET client_min_messages = warning;
\set ECHO none
\i seg.sql
\set ECHO all
RESET client_min_messages;
--
-- testing the input and output functions
@ -191,24 +193,24 @@ SELECT '2 .. 3'::seg >> '0 .. 1'::seg AS bool;
-- "contained in" (the left value belongs within the interval specified in the right value):
--
SELECT '0'::seg ~ '0'::seg AS bool;
SELECT '0'::seg ~ '0 ..'::seg AS bool;
SELECT '0'::seg ~ '.. 0'::seg AS bool;
SELECT '0'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '0'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '-1'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '1'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '-1 .. 1'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '0'::seg <@ '0'::seg AS bool;
SELECT '0'::seg <@ '0 ..'::seg AS bool;
SELECT '0'::seg <@ '.. 0'::seg AS bool;
SELECT '0'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '0'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '-1'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '1'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '-1 .. 1'::seg <@ '-1 .. 1'::seg AS bool;
-- "contains" (the left value contains the interval specified in the right value):
--
SELECT '0'::seg @ '0'::seg AS bool;
SELECT '0 .. '::seg ~ '0'::seg AS bool;
SELECT '.. 0'::seg ~ '0'::seg AS bool;
SELECT '-1 .. 1'::seg ~ '0'::seg AS bool;
SELECT '0'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '-1'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '1'::seg ~ '-1 .. 1'::seg AS bool;
SELECT '0'::seg @> '0'::seg AS bool;
SELECT '0 .. '::seg <@ '0'::seg AS bool;
SELECT '.. 0'::seg <@ '0'::seg AS bool;
SELECT '-1 .. 1'::seg <@ '0'::seg AS bool;
SELECT '0'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '-1'::seg <@ '-1 .. 1'::seg AS bool;
SELECT '1'::seg <@ '-1 .. 1'::seg AS bool;
-- Load some example data and build the index
--
@ -217,7 +219,7 @@ CREATE TABLE test_seg (s seg);
\copy test_seg from 'data/test_seg.data'
CREATE INDEX test_seg_ix ON test_seg USING gist (s);
SELECT count(*) FROM test_seg WHERE s @ '11..11.3';
SELECT count(*) FROM test_seg WHERE s @> '11..11.3';
-- Test sorting
SELECT * FROM test_seg WHERE s @ '11..11.3' GROUP BY s;
SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;