2 * This test is for Linux/glibc systems and assumes that a full set of
3 * locales is installed. It must be run in a database with UTF-8 encoding,
4 * because other encodings don't support all the characters used.
6 SELECT getdatabaseencoding() <> 'UTF8' OR
7 (SELECT count(*) FROM pg_collation WHERE collname IN ('de_DE', 'en_US', 'sv_SE', 'tr_TR') AND collencoding = pg_char_to_encoding('UTF8')) <> 4 OR
8 version() !~ 'linux-gnu'
13 SET client_encoding TO UTF8;
14 CREATE SCHEMA collate_tests;
15 SET search_path = collate_tests;
16 CREATE TABLE collate_test1 (
18 b text COLLATE "en_US" NOT NULL
21 Table "collate_tests.collate_test1"
22 Column | Type | Collation | Nullable | Default
23 --------+---------+-----------+----------+---------
25 b | text | en_US | not null |
27 CREATE TABLE collate_test_fail (
29 b text COLLATE "ja_JP.eucjp"
31 ERROR: collation "ja_JP.eucjp" for encoding "UTF8" does not exist
32 LINE 3: b text COLLATE "ja_JP.eucjp"
34 CREATE TABLE collate_test_fail (
38 ERROR: collation "foo" for encoding "UTF8" does not exist
39 LINE 3: b text COLLATE "foo"
41 CREATE TABLE collate_test_fail (
42 a int COLLATE "en_US",
45 ERROR: collations are not supported by type integer
46 LINE 2: a int COLLATE "en_US",
48 CREATE TABLE collate_test_like (
52 Table "collate_tests.collate_test_like"
53 Column | Type | Collation | Nullable | Default
54 --------+---------+-----------+----------+---------
56 b | text | en_US | not null |
58 CREATE TABLE collate_test2 (
60 b text COLLATE "sv_SE"
62 CREATE TABLE collate_test3 (
66 INSERT INTO collate_test1 VALUES (1, 'abc'), (2, 'äbc'), (3, 'bbc'), (4, 'ABC');
67 INSERT INTO collate_test2 SELECT * FROM collate_test1;
68 INSERT INTO collate_test3 SELECT * FROM collate_test1;
69 SELECT * FROM collate_test1 WHERE b >= 'bbc';
75 SELECT * FROM collate_test2 WHERE b >= 'bbc';
82 SELECT * FROM collate_test3 WHERE b >= 'bbc';
89 SELECT * FROM collate_test3 WHERE b >= 'BBC';
97 SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc';
104 SELECT * FROM collate_test1 WHERE b >= 'bbc' COLLATE "C";
111 SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "C";
118 SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "en_US";
119 ERROR: collation mismatch between explicit collations "C" and "en_US"
120 LINE 1: ...* FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "e...
122 CREATE DOMAIN testdomain_sv AS text COLLATE "sv_SE";
123 CREATE DOMAIN testdomain_i AS int COLLATE "sv_SE"; -- fails
124 ERROR: collations are not supported by type integer
125 CREATE TABLE collate_test4 (
129 INSERT INTO collate_test4 SELECT * FROM collate_test1;
130 SELECT a, b FROM collate_test4 ORDER BY b;
139 CREATE TABLE collate_test5 (
141 b testdomain_sv COLLATE "en_US"
143 INSERT INTO collate_test5 SELECT * FROM collate_test1;
144 SELECT a, b FROM collate_test5 ORDER BY b;
153 SELECT a, b FROM collate_test1 ORDER BY b;
162 SELECT a, b FROM collate_test2 ORDER BY b;
171 SELECT a, b FROM collate_test3 ORDER BY b;
180 SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C";
190 SELECT * FROM collate_test1 ORDER BY b;
199 SELECT * FROM collate_test2 ORDER BY b;
208 SELECT * FROM collate_test3 ORDER BY b;
217 -- constant expression folding
218 SELECT 'bbc' COLLATE "en_US" > 'äbc' COLLATE "en_US" AS "true";
224 SELECT 'bbc' COLLATE "sv_SE" > 'äbc' COLLATE "sv_SE" AS "false";
231 CREATE TABLE collate_test10 (
233 x text COLLATE "en_US",
234 y text COLLATE "tr_TR"
236 INSERT INTO collate_test10 VALUES (1, 'hij', 'hij'), (2, 'HIJ', 'HIJ');
237 SELECT a, lower(x), lower(y), upper(x), upper(y), initcap(x), initcap(y) FROM collate_test10;
238 a | lower | lower | upper | upper | initcap | initcap
239 ---+-------+-------+-------+-------+---------+---------
240 1 | hij | hij | HIJ | HİJ | Hij | Hij
241 2 | hij | hıj | HIJ | HIJ | Hij | Hıj
244 SELECT a, lower(x COLLATE "C"), lower(y COLLATE "C") FROM collate_test10;
251 SELECT a, x, y FROM collate_test10 ORDER BY lower(y), a;
259 SELECT * FROM collate_test1 WHERE b LIKE 'abc';
265 SELECT * FROM collate_test1 WHERE b LIKE 'abc%';
271 SELECT * FROM collate_test1 WHERE b LIKE '%bc%';
279 SELECT * FROM collate_test1 WHERE b ILIKE 'abc';
286 SELECT * FROM collate_test1 WHERE b ILIKE 'abc%';
293 SELECT * FROM collate_test1 WHERE b ILIKE '%bc%';
302 SELECT 'Türkiye' COLLATE "en_US" ILIKE '%KI%' AS "true";
308 SELECT 'Türkiye' COLLATE "tr_TR" ILIKE '%KI%' AS "false";
314 SELECT 'bıt' ILIKE 'BIT' COLLATE "en_US" AS "false";
320 SELECT 'bıt' ILIKE 'BIT' COLLATE "tr_TR" AS "true";
326 -- The following actually exercises the selectivity estimation for ILIKE.
327 SELECT relname FROM pg_class WHERE relname ILIKE 'abc%';
332 -- regular expressions
333 SELECT * FROM collate_test1 WHERE b ~ '^abc$';
339 SELECT * FROM collate_test1 WHERE b ~ '^abc';
345 SELECT * FROM collate_test1 WHERE b ~ 'bc';
353 SELECT * FROM collate_test1 WHERE b ~* '^abc$';
360 SELECT * FROM collate_test1 WHERE b ~* '^abc';
367 SELECT * FROM collate_test1 WHERE b ~* 'bc';
376 CREATE TABLE collate_test6 (
378 b text COLLATE "en_US"
380 INSERT INTO collate_test6 VALUES (1, 'abc'), (2, 'ABC'), (3, '123'), (4, 'ab1'),
381 (5, 'a1!'), (6, 'a c'), (7, '!.;'), (8, ' '),
382 (9, 'äbç'), (10, 'ÄBÇ');
384 b ~ '^[[:alpha:]]+$' AS is_alpha,
385 b ~ '^[[:upper:]]+$' AS is_upper,
386 b ~ '^[[:lower:]]+$' AS is_lower,
387 b ~ '^[[:digit:]]+$' AS is_digit,
388 b ~ '^[[:alnum:]]+$' AS is_alnum,
389 b ~ '^[[:graph:]]+$' AS is_graph,
390 b ~ '^[[:print:]]+$' AS is_print,
391 b ~ '^[[:punct:]]+$' AS is_punct,
392 b ~ '^[[:space:]]+$' AS is_space
394 b | is_alpha | is_upper | is_lower | is_digit | is_alnum | is_graph | is_print | is_punct | is_space
395 -----+----------+----------+----------+----------+----------+----------+----------+----------+----------
396 abc | t | f | t | f | t | t | t | f | f
397 ABC | t | t | f | f | t | t | t | f | f
398 123 | f | f | f | t | t | t | t | f | f
399 ab1 | f | f | f | f | t | t | t | f | f
400 a1! | f | f | f | f | f | t | t | f | f
401 a c | f | f | f | f | f | f | t | f | f
402 !.; | f | f | f | f | f | t | t | t | f
403 | f | f | f | f | f | f | t | f | t
404 äbç | t | f | t | f | t | t | t | f | f
405 ÄBÇ | t | t | f | f | t | t | t | f | f
408 SELECT 'Türkiye' COLLATE "en_US" ~* 'KI' AS "true";
414 SELECT 'Türkiye' COLLATE "tr_TR" ~* 'KI' AS "false";
420 SELECT 'bıt' ~* 'BIT' COLLATE "en_US" AS "false";
426 SELECT 'bıt' ~* 'BIT' COLLATE "tr_TR" AS "true";
432 -- The following actually exercises the selectivity estimation for ~*.
433 SELECT relname FROM pg_class WHERE relname ~* '^abc';
439 SET lc_time TO 'tr_TR';
440 SELECT to_char(date '2010-02-01', 'DD TMMON YYYY');
446 SELECT to_char(date '2010-02-01', 'DD TMMON YYYY' COLLATE "tr_TR");
452 SELECT to_char(date '2010-04-01', 'DD TMMON YYYY');
458 SELECT to_char(date '2010-04-01', 'DD TMMON YYYY' COLLATE "tr_TR");
465 SELECT to_date('01 ŞUB 2010', 'DD TMMON YYYY');
471 SELECT to_date('01 Şub 2010', 'DD TMMON YYYY');
477 SELECT to_date('1234567890ab 2010', 'TMMONTH YYYY'); -- fail
478 ERROR: invalid value "1234567890ab" for "MONTH"
479 DETAIL: The given value did not match any of the allowed values for this field.
481 CREATE VIEW collview1 AS SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc';
482 CREATE VIEW collview2 AS SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C";
483 CREATE VIEW collview3 AS SELECT a, lower((x || x) COLLATE "C") FROM collate_test10;
484 SELECT table_name, view_definition FROM information_schema.views
485 WHERE table_name LIKE 'collview%' ORDER BY 1;
486 table_name | view_definition
487 ------------+--------------------------------------------------------------------------
488 collview1 | SELECT collate_test1.a, +
490 | FROM collate_test1 +
491 | WHERE ((collate_test1.b COLLATE "C") >= 'bbc'::text);
492 collview2 | SELECT collate_test1.a, +
494 | FROM collate_test1 +
495 | ORDER BY (collate_test1.b COLLATE "C");
496 collview3 | SELECT collate_test10.a, +
497 | lower(((collate_test10.x || collate_test10.x) COLLATE "C")) AS lower+
498 | FROM collate_test10;
501 -- collation propagation in various expression types
502 SELECT a, coalesce(b, 'foo') FROM collate_test1 ORDER BY 2;
511 SELECT a, coalesce(b, 'foo') FROM collate_test2 ORDER BY 2;
520 SELECT a, coalesce(b, 'foo') FROM collate_test3 ORDER BY 2;
529 SELECT a, lower(coalesce(x, 'foo')), lower(coalesce(y, 'foo')) FROM collate_test10;
536 SELECT a, b, greatest(b, 'CCC') FROM collate_test1 ORDER BY 3;
545 SELECT a, b, greatest(b, 'CCC') FROM collate_test2 ORDER BY 3;
554 SELECT a, b, greatest(b, 'CCC') FROM collate_test3 ORDER BY 3;
563 SELECT a, x, y, lower(greatest(x, 'foo')), lower(greatest(y, 'foo')) FROM collate_test10;
564 a | x | y | lower | lower
565 ---+-----+-----+-------+-------
566 1 | hij | hij | hij | hij
567 2 | HIJ | HIJ | hij | hıj
570 SELECT a, nullif(b, 'abc') FROM collate_test1 ORDER BY 2;
579 SELECT a, nullif(b, 'abc') FROM collate_test2 ORDER BY 2;
588 SELECT a, nullif(b, 'abc') FROM collate_test3 ORDER BY 2;
597 SELECT a, lower(nullif(x, 'foo')), lower(nullif(y, 'foo')) FROM collate_test10;
604 SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test1 ORDER BY 2;
613 SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test2 ORDER BY 2;
622 SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test3 ORDER BY 2;
631 CREATE DOMAIN testdomain AS text;
632 SELECT a, b::testdomain FROM collate_test1 ORDER BY 2;
641 SELECT a, b::testdomain FROM collate_test2 ORDER BY 2;
650 SELECT a, b::testdomain FROM collate_test3 ORDER BY 2;
659 SELECT a, b::testdomain_sv FROM collate_test3 ORDER BY 2;
668 SELECT a, lower(x::testdomain), lower(y::testdomain) FROM collate_test10;
675 SELECT min(b), max(b) FROM collate_test1;
681 SELECT min(b), max(b) FROM collate_test2;
687 SELECT min(b), max(b) FROM collate_test3;
693 SELECT array_agg(b ORDER BY b) FROM collate_test1;
699 SELECT array_agg(b ORDER BY b) FROM collate_test2;
705 SELECT array_agg(b ORDER BY b) FROM collate_test3;
711 SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test1 ORDER BY 2;
724 SELECT a, b FROM collate_test2 UNION SELECT a, b FROM collate_test2 ORDER BY 2;
733 SELECT a, b FROM collate_test3 WHERE a < 4 INTERSECT SELECT a, b FROM collate_test3 WHERE a > 1 ORDER BY 2;
740 SELECT a, b FROM collate_test3 EXCEPT SELECT a, b FROM collate_test3 WHERE a < 2 ORDER BY 2;
748 SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
749 ERROR: could not determine which collation to use for string comparison
750 HINT: Use the COLLATE clause to set the collation explicitly.
751 SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- ok
764 SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
765 ERROR: collation mismatch between implicit collations "en_US" and "C"
766 LINE 1: SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collat...
768 HINT: You can choose the collation by applying the COLLATE clause to one or both expressions.
769 SELECT a, b COLLATE "C" FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- ok
778 SELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
779 ERROR: collation mismatch between implicit collations "en_US" and "C"
780 LINE 1: ...ELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM col...
782 HINT: You can choose the collation by applying the COLLATE clause to one or both expressions.
783 SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
784 ERROR: collation mismatch between implicit collations "en_US" and "C"
785 LINE 1: SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM colla...
787 HINT: You can choose the collation by applying the COLLATE clause to one or both expressions.
788 CREATE TABLE test_u AS SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- fail
789 ERROR: no collation was derived for column "b" with collatable type text
790 HINT: Use the COLLATE clause to set the collation explicitly.
791 -- ideally this would be a parse-time error, but for now it must be run-time:
792 select x < y from collate_test10; -- fail
793 ERROR: could not determine which collation to use for string comparison
794 HINT: Use the COLLATE clause to set the collation explicitly.
795 select x || y from collate_test10; -- ok, because || is not collation aware
802 select x, y from collate_test10 order by x || y; -- not so ok
803 ERROR: collation mismatch between implicit collations "en_US" and "tr_TR"
804 LINE 1: select x, y from collate_test10 order by x || y;
806 HINT: You can choose the collation by applying the COLLATE clause to one or both expressions.
807 -- collation mismatch between recursive and non-recursive term
808 WITH RECURSIVE foo(x) AS
809 (SELECT x FROM (VALUES('a' COLLATE "en_US"),('b')) t(x)
811 SELECT (x || 'c') COLLATE "de_DE" FROM foo WHERE length(x) < 10)
813 ERROR: recursive query "foo" column 1 has collation "en_US" in non-recursive term but collation "de_DE" overall
814 LINE 2: (SELECT x FROM (VALUES('a' COLLATE "en_US"),('b')) t(x)
816 HINT: Use the COLLATE clause to set the collation of the non-recursive term.
818 SELECT CAST('42' AS text COLLATE "C");
819 ERROR: syntax error at or near "COLLATE"
820 LINE 1: SELECT CAST('42' AS text COLLATE "C");
822 SELECT a, CAST(b AS varchar) FROM collate_test1 ORDER BY 2;
831 SELECT a, CAST(b AS varchar) FROM collate_test2 ORDER BY 2;
840 SELECT a, CAST(b AS varchar) FROM collate_test3 ORDER BY 2;
849 -- propagation of collation in SQL functions (inlined and non-inlined cases)
850 -- and plpgsql functions too
851 CREATE FUNCTION mylt (text, text) RETURNS boolean LANGUAGE sql
852 AS $$ select $1 < $2 $$;
853 CREATE FUNCTION mylt_noninline (text, text) RETURNS boolean LANGUAGE sql
854 AS $$ select $1 < $2 limit 1 $$;
855 CREATE FUNCTION mylt_plpgsql (text, text) RETURNS boolean LANGUAGE plpgsql
856 AS $$ begin return $1 < $2; end $$;
857 SELECT a.b AS a, b.b AS b, a.b < b.b AS lt,
858 mylt(a.b, b.b), mylt_noninline(a.b, b.b), mylt_plpgsql(a.b, b.b)
859 FROM collate_test1 a, collate_test1 b
861 a | b | lt | mylt | mylt_noninline | mylt_plpgsql
862 -----+-----+----+------+----------------+--------------
863 abc | abc | f | f | f | f
864 abc | ABC | t | t | t | t
865 abc | äbc | t | t | t | t
866 abc | bbc | t | t | t | t
867 ABC | abc | f | f | f | f
868 ABC | ABC | f | f | f | f
869 ABC | äbc | t | t | t | t
870 ABC | bbc | t | t | t | t
871 äbc | abc | f | f | f | f
872 äbc | ABC | f | f | f | f
873 äbc | äbc | f | f | f | f
874 äbc | bbc | t | t | t | t
875 bbc | abc | f | f | f | f
876 bbc | ABC | f | f | f | f
877 bbc | äbc | f | f | f | f
878 bbc | bbc | f | f | f | f
881 SELECT a.b AS a, b.b AS b, a.b < b.b COLLATE "C" AS lt,
882 mylt(a.b, b.b COLLATE "C"), mylt_noninline(a.b, b.b COLLATE "C"),
883 mylt_plpgsql(a.b, b.b COLLATE "C")
884 FROM collate_test1 a, collate_test1 b
886 a | b | lt | mylt | mylt_noninline | mylt_plpgsql
887 -----+-----+----+------+----------------+--------------
888 abc | abc | f | f | f | f
889 abc | ABC | f | f | f | f
890 abc | äbc | t | t | t | t
891 abc | bbc | t | t | t | t
892 ABC | abc | t | t | t | t
893 ABC | ABC | f | f | f | f
894 ABC | äbc | t | t | t | t
895 ABC | bbc | t | t | t | t
896 äbc | abc | f | f | f | f
897 äbc | ABC | f | f | f | f
898 äbc | äbc | f | f | f | f
899 äbc | bbc | f | f | f | f
900 bbc | abc | f | f | f | f
901 bbc | ABC | f | f | f | f
902 bbc | äbc | t | t | t | t
903 bbc | bbc | f | f | f | f
906 -- collation override in plpgsql
907 CREATE FUNCTION mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$
915 SELECT mylt2('a', 'B' collate "en_US") as t, mylt2('a', 'B' collate "C") as f;
921 CREATE OR REPLACE FUNCTION
922 mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$
924 xx text COLLATE "POSIX" := x;
930 SELECT mylt2('a', 'B') as f;
936 SELECT mylt2('a', 'B' collate "C") as fail; -- conflicting collations
937 ERROR: could not determine which collation to use for string comparison
938 HINT: Use the COLLATE clause to set the collation explicitly.
939 CONTEXT: PL/pgSQL function mylt2(text,text) line 6 at RETURN
940 SELECT mylt2('a', 'B' collate "POSIX") as f;
947 SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test1)) ORDER BY 1;
956 SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test2)) ORDER BY 1;
965 SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test3)) ORDER BY 1;
974 CREATE FUNCTION dup (anyelement) RETURNS anyelement
975 AS 'select $1' LANGUAGE sql;
976 SELECT a, dup(b) FROM collate_test1 ORDER BY 2;
985 SELECT a, dup(b) FROM collate_test2 ORDER BY 2;
994 SELECT a, dup(b) FROM collate_test3 ORDER BY 2;
1004 CREATE INDEX collate_test1_idx1 ON collate_test1 (b);
1005 CREATE INDEX collate_test1_idx2 ON collate_test1 (b COLLATE "C");
1006 CREATE INDEX collate_test1_idx3 ON collate_test1 ((b COLLATE "C")); -- this is different grammatically
1007 CREATE INDEX collate_test1_idx4 ON collate_test1 (((b||'foo') COLLATE "POSIX"));
1008 CREATE INDEX collate_test1_idx5 ON collate_test1 (a COLLATE "C"); -- fail
1009 ERROR: collations are not supported by type integer
1010 CREATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C")); -- fail
1011 ERROR: collations are not supported by type integer
1012 LINE 1: ...ATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C...
1014 SELECT relname, pg_get_indexdef(oid) FROM pg_class WHERE relname LIKE 'collate_test%_idx%' ORDER BY 1;
1015 relname | pg_get_indexdef
1016 --------------------+-------------------------------------------------------------------------------------------------------------------
1017 collate_test1_idx1 | CREATE INDEX collate_test1_idx1 ON collate_tests.collate_test1 USING btree (b)
1018 collate_test1_idx2 | CREATE INDEX collate_test1_idx2 ON collate_tests.collate_test1 USING btree (b COLLATE "C")
1019 collate_test1_idx3 | CREATE INDEX collate_test1_idx3 ON collate_tests.collate_test1 USING btree (b COLLATE "C")
1020 collate_test1_idx4 | CREATE INDEX collate_test1_idx4 ON collate_tests.collate_test1 USING btree (((b || 'foo'::text)) COLLATE "POSIX")
1023 -- schema manipulation commands
1024 CREATE ROLE regress_test_role;
1025 CREATE SCHEMA test_schema;
1026 -- We need to do this this way to cope with varying names for encodings:
1029 EXECUTE 'CREATE COLLATION test0 (locale = ' ||
1030 quote_literal(current_setting('lc_collate')) || ');';
1033 CREATE COLLATION test0 FROM "C"; -- fail, duplicate name
1034 ERROR: collation "test0" already exists
1035 CREATE COLLATION IF NOT EXISTS test0 FROM "C"; -- ok, skipped
1036 NOTICE: collation "test0" already exists, skipping
1037 CREATE COLLATION IF NOT EXISTS test0 (locale = 'foo'); -- ok, skipped
1038 NOTICE: collation "test0" for encoding "UTF8" already exists, skipping
1041 EXECUTE 'CREATE COLLATION test1 (lc_collate = ' ||
1042 quote_literal(current_setting('lc_collate')) ||
1044 quote_literal(current_setting('lc_ctype')) || ');';
1047 CREATE COLLATION test3 (lc_collate = 'en_US.utf8'); -- fail, need lc_ctype
1048 ERROR: parameter "lc_ctype" must be specified
1049 CREATE COLLATION testx (locale = 'nonsense'); -- fail
1050 ERROR: could not create locale "nonsense": No such file or directory
1051 DETAIL: The operating system could not find any locale data for the locale name "nonsense".
1052 CREATE COLLATION test4 FROM nonsense;
1053 ERROR: collation "nonsense" for encoding "UTF8" does not exist
1054 CREATE COLLATION test5 FROM test0;
1055 SELECT collname FROM pg_collation WHERE collname LIKE 'test%' ORDER BY 1;
1063 ALTER COLLATION test1 RENAME TO test11;
1064 ALTER COLLATION test0 RENAME TO test11; -- fail
1065 ERROR: collation "test11" for encoding "UTF8" already exists in schema "collate_tests"
1066 ALTER COLLATION test1 RENAME TO test22; -- fail
1067 ERROR: collation "test1" for encoding "UTF8" does not exist
1068 ALTER COLLATION test11 OWNER TO regress_test_role;
1069 ALTER COLLATION test11 OWNER TO nonsense;
1070 ERROR: role "nonsense" does not exist
1071 ALTER COLLATION test11 SET SCHEMA test_schema;
1072 COMMENT ON COLLATION test0 IS 'US English';
1073 SELECT collname, nspname, obj_description(pg_collation.oid, 'pg_collation')
1074 FROM pg_collation JOIN pg_namespace ON (collnamespace = pg_namespace.oid)
1075 WHERE collname LIKE 'test%'
1077 collname | nspname | obj_description
1078 ----------+---------------+-----------------
1079 test0 | collate_tests | US English
1080 test11 | test_schema |
1081 test5 | collate_tests |
1084 DROP COLLATION test0, test_schema.test11, test5;
1085 DROP COLLATION test0; -- fail
1086 ERROR: collation "test0" for encoding "UTF8" does not exist
1087 DROP COLLATION IF EXISTS test0;
1088 NOTICE: collation "test0" does not exist, skipping
1089 SELECT collname FROM pg_collation WHERE collname LIKE 'test%';
1094 DROP SCHEMA test_schema;
1095 DROP ROLE regress_test_role;
1097 ALTER COLLATION "en_US" REFRESH VERSION;
1098 NOTICE: version has not changed
1099 -- also test for database while we are here
1100 SELECT current_database() AS datname \gset
1101 ALTER DATABASE :"datname" REFRESH COLLATION VERSION;
1102 NOTICE: version has not changed
1104 CREATE COLLATION test0 FROM "C";
1105 CREATE TABLE collate_dep_test1 (a int, b text COLLATE test0);
1106 CREATE DOMAIN collate_dep_dom1 AS text COLLATE test0;
1107 CREATE TYPE collate_dep_test2 AS (x int, y text COLLATE test0);
1108 CREATE VIEW collate_dep_test3 AS SELECT text 'foo' COLLATE test0 AS foo;
1109 CREATE TABLE collate_dep_test4t (a int, b text);
1110 CREATE INDEX collate_dep_test4i ON collate_dep_test4t (b COLLATE test0);
1111 DROP COLLATION test0 RESTRICT; -- fail
1112 ERROR: cannot drop collation test0 because other objects depend on it
1113 DETAIL: column b of table collate_dep_test1 depends on collation test0
1114 type collate_dep_dom1 depends on collation test0
1115 column y of composite type collate_dep_test2 depends on collation test0
1116 view collate_dep_test3 depends on collation test0
1117 index collate_dep_test4i depends on collation test0
1118 HINT: Use DROP ... CASCADE to drop the dependent objects too.
1119 DROP COLLATION test0 CASCADE;
1120 NOTICE: drop cascades to 5 other objects
1121 DETAIL: drop cascades to column b of table collate_dep_test1
1122 drop cascades to type collate_dep_dom1
1123 drop cascades to column y of composite type collate_dep_test2
1124 drop cascades to view collate_dep_test3
1125 drop cascades to index collate_dep_test4i
1126 \d collate_dep_test1
1127 Table "collate_tests.collate_dep_test1"
1128 Column | Type | Collation | Nullable | Default
1129 --------+---------+-----------+----------+---------
1132 \d collate_dep_test2
1133 Composite type "collate_tests.collate_dep_test2"
1134 Column | Type | Collation | Nullable | Default
1135 --------+---------+-----------+----------+---------
1138 DROP TABLE collate_dep_test1, collate_dep_test4t;
1139 DROP TYPE collate_dep_test2;
1140 -- test range types and collations
1141 create type textrange_c as range(subtype=text, collation="C");
1142 create type textrange_en_us as range(subtype=text, collation="en_US");
1143 select textrange_c('A','Z') @> 'b'::text;
1149 select textrange_en_us('A','Z') @> 'b'::text;
1155 drop type textrange_c;
1156 drop type textrange_en_us;
1157 -- nondeterministic collations
1158 -- (not supported with libc provider)
1159 CREATE COLLATION ctest_det (locale = 'en_US.utf8', deterministic = true);
1160 CREATE COLLATION ctest_nondet (locale = 'en_US.utf8', deterministic = false);
1161 ERROR: nondeterministic collations not supported with this provider
1163 SET client_min_messages TO warning;
1164 DROP SCHEMA collate_tests CASCADE;