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Diffstat (limited to 'src/test/regress/expected/collate.linux.utf8.out')
| -rw-r--r-- | src/test/regress/expected/collate.linux.utf8.out | 1160 |
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diff --git a/src/test/regress/expected/collate.linux.utf8.out b/src/test/regress/expected/collate.linux.utf8.out new file mode 100644 index 0000000..f06ae54 --- /dev/null +++ b/src/test/regress/expected/collate.linux.utf8.out @@ -0,0 +1,1160 @@ +/* + * This test is for Linux/glibc systems and assumes that a full set of + * locales is installed. It must be run in a database with UTF-8 encoding, + * because other encodings don't support all the characters used. + */ +SELECT getdatabaseencoding() <> 'UTF8' OR + (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 + version() !~ 'linux-gnu' + AS skip_test \gset +\if :skip_test +\quit +\endif +SET client_encoding TO UTF8; +CREATE SCHEMA collate_tests; +SET search_path = collate_tests; +CREATE TABLE collate_test1 ( + a int, + b text COLLATE "en_US" NOT NULL +); +\d collate_test1 + Table "collate_tests.collate_test1" + Column | Type | Collation | Nullable | Default +--------+---------+-----------+----------+--------- + a | integer | | | + b | text | en_US | not null | + +CREATE TABLE collate_test_fail ( + a int, + b text COLLATE "ja_JP.eucjp" +); +ERROR: collation "ja_JP.eucjp" for encoding "UTF8" does not exist +LINE 3: b text COLLATE "ja_JP.eucjp" + ^ +CREATE TABLE collate_test_fail ( + a int, + b text COLLATE "foo" +); +ERROR: collation "foo" for encoding "UTF8" does not exist +LINE 3: b text COLLATE "foo" + ^ +CREATE TABLE collate_test_fail ( + a int COLLATE "en_US", + b text +); +ERROR: collations are not supported by type integer +LINE 2: a int COLLATE "en_US", + ^ +CREATE TABLE collate_test_like ( + LIKE collate_test1 +); +\d collate_test_like + Table "collate_tests.collate_test_like" + Column | Type | Collation | Nullable | Default +--------+---------+-----------+----------+--------- + a | integer | | | + b | text | en_US | not null | + +CREATE TABLE collate_test2 ( + a int, + b text COLLATE "sv_SE" +); +CREATE TABLE collate_test3 ( + a int, + b text COLLATE "C" +); +INSERT INTO collate_test1 VALUES (1, 'abc'), (2, 'äbc'), (3, 'bbc'), (4, 'ABC'); +INSERT INTO collate_test2 SELECT * FROM collate_test1; +INSERT INTO collate_test3 SELECT * FROM collate_test1; +SELECT * FROM collate_test1 WHERE b >= 'bbc'; + a | b +---+----- + 3 | bbc +(1 row) + +SELECT * FROM collate_test2 WHERE b >= 'bbc'; + a | b +---+----- + 2 | äbc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test3 WHERE b >= 'bbc'; + a | b +---+----- + 2 | äbc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test3 WHERE b >= 'BBC'; + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc +(3 rows) + +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc'; + a | b +---+----- + 2 | äbc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b >= 'bbc' COLLATE "C"; + a | b +---+----- + 2 | äbc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "C"; + a | b +---+----- + 2 | äbc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "en_US"; +ERROR: collation mismatch between explicit collations "C" and "en_US" +LINE 1: ...* FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "e... + ^ +CREATE DOMAIN testdomain_sv AS text COLLATE "sv_SE"; +CREATE DOMAIN testdomain_i AS int COLLATE "sv_SE"; -- fails +ERROR: collations are not supported by type integer +CREATE TABLE collate_test4 ( + a int, + b testdomain_sv +); +INSERT INTO collate_test4 SELECT * FROM collate_test1; +SELECT a, b FROM collate_test4 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +CREATE TABLE collate_test5 ( + a int, + b testdomain_sv COLLATE "en_US" +); +INSERT INTO collate_test5 SELECT * FROM collate_test1; +SELECT a, b FROM collate_test5 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test1 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test2 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b FROM collate_test3 ORDER BY b; + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C"; + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +-- star expansion +SELECT * FROM collate_test1 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT * FROM collate_test2 ORDER BY b; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT * FROM collate_test3 ORDER BY b; + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +-- constant expression folding +SELECT 'bbc' COLLATE "en_US" > 'äbc' COLLATE "en_US" AS "true"; + true +------ + t +(1 row) + +SELECT 'bbc' COLLATE "sv_SE" > 'äbc' COLLATE "sv_SE" AS "false"; + false +------- + f +(1 row) + +-- upper/lower +CREATE TABLE collate_test10 ( + a int, + x text COLLATE "en_US", + y text COLLATE "tr_TR" +); +INSERT INTO collate_test10 VALUES (1, 'hij', 'hij'), (2, 'HIJ', 'HIJ'); +SELECT a, lower(x), lower(y), upper(x), upper(y), initcap(x), initcap(y) FROM collate_test10; + a | lower | lower | upper | upper | initcap | initcap +---+-------+-------+-------+-------+---------+--------- + 1 | hij | hij | HIJ | HİJ | Hij | Hij + 2 | hij | hıj | HIJ | HIJ | Hij | Hıj +(2 rows) + +SELECT a, lower(x COLLATE "C"), lower(y COLLATE "C") FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hij +(2 rows) + +SELECT a, x, y FROM collate_test10 ORDER BY lower(y), a; + a | x | y +---+-----+----- + 2 | HIJ | HIJ + 1 | hij | hij +(2 rows) + +-- LIKE/ILIKE +SELECT * FROM collate_test1 WHERE b LIKE 'abc'; + a | b +---+----- + 1 | abc +(1 row) + +SELECT * FROM collate_test1 WHERE b LIKE 'abc%'; + a | b +---+----- + 1 | abc +(1 row) + +SELECT * FROM collate_test1 WHERE b LIKE '%bc%'; + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc +(3 rows) + +SELECT * FROM collate_test1 WHERE b ILIKE 'abc'; + a | b +---+----- + 1 | abc + 4 | ABC +(2 rows) + +SELECT * FROM collate_test1 WHERE b ILIKE 'abc%'; + a | b +---+----- + 1 | abc + 4 | ABC +(2 rows) + +SELECT * FROM collate_test1 WHERE b ILIKE '%bc%'; + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc + 4 | ABC +(4 rows) + +SELECT 'Türkiye' COLLATE "en_US" ILIKE '%KI%' AS "true"; + true +------ + t +(1 row) + +SELECT 'Türkiye' COLLATE "tr_TR" ILIKE '%KI%' AS "false"; + false +------- + f +(1 row) + +SELECT 'bıt' ILIKE 'BIT' COLLATE "en_US" AS "false"; + false +------- + f +(1 row) + +SELECT 'bıt' ILIKE 'BIT' COLLATE "tr_TR" AS "true"; + true +------ + t +(1 row) + +-- The following actually exercises the selectivity estimation for ILIKE. +SELECT relname FROM pg_class WHERE relname ILIKE 'abc%'; + relname +--------- +(0 rows) + +-- regular expressions +SELECT * FROM collate_test1 WHERE b ~ '^abc$'; + a | b +---+----- + 1 | abc +(1 row) + +SELECT * FROM collate_test1 WHERE b ~ '^abc'; + a | b +---+----- + 1 | abc +(1 row) + +SELECT * FROM collate_test1 WHERE b ~ 'bc'; + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc +(3 rows) + +SELECT * FROM collate_test1 WHERE b ~* '^abc$'; + a | b +---+----- + 1 | abc + 4 | ABC +(2 rows) + +SELECT * FROM collate_test1 WHERE b ~* '^abc'; + a | b +---+----- + 1 | abc + 4 | ABC +(2 rows) + +SELECT * FROM collate_test1 WHERE b ~* 'bc'; + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc + 4 | ABC +(4 rows) + +CREATE TABLE collate_test6 ( + a int, + b text COLLATE "en_US" +); +INSERT INTO collate_test6 VALUES (1, 'abc'), (2, 'ABC'), (3, '123'), (4, 'ab1'), + (5, 'a1!'), (6, 'a c'), (7, '!.;'), (8, ' '), + (9, 'äbç'), (10, 'ÄBÇ'); +SELECT b, + b ~ '^[[:alpha:]]+$' AS is_alpha, + b ~ '^[[:upper:]]+$' AS is_upper, + b ~ '^[[:lower:]]+$' AS is_lower, + b ~ '^[[:digit:]]+$' AS is_digit, + b ~ '^[[:alnum:]]+$' AS is_alnum, + b ~ '^[[:graph:]]+$' AS is_graph, + b ~ '^[[:print:]]+$' AS is_print, + b ~ '^[[:punct:]]+$' AS is_punct, + b ~ '^[[:space:]]+$' AS is_space +FROM collate_test6; + b | is_alpha | is_upper | is_lower | is_digit | is_alnum | is_graph | is_print | is_punct | is_space +-----+----------+----------+----------+----------+----------+----------+----------+----------+---------- + abc | t | f | t | f | t | t | t | f | f + ABC | t | t | f | f | t | t | t | f | f + 123 | f | f | f | t | t | t | t | f | f + ab1 | f | f | f | f | t | t | t | f | f + a1! | f | f | f | f | f | t | t | f | f + a c | f | f | f | f | f | f | t | f | f + !.; | f | f | f | f | f | t | t | t | f + | f | f | f | f | f | f | t | f | t + äbç | t | f | t | f | t | t | t | f | f + ÄBÇ | t | t | f | f | t | t | t | f | f +(10 rows) + +SELECT 'Türkiye' COLLATE "en_US" ~* 'KI' AS "true"; + true +------ + t +(1 row) + +SELECT 'Türkiye' COLLATE "tr_TR" ~* 'KI' AS "false"; + false +------- + f +(1 row) + +SELECT 'bıt' ~* 'BIT' COLLATE "en_US" AS "false"; + false +------- + f +(1 row) + +SELECT 'bıt' ~* 'BIT' COLLATE "tr_TR" AS "true"; + true +------ + t +(1 row) + +-- The following actually exercises the selectivity estimation for ~*. +SELECT relname FROM pg_class WHERE relname ~* '^abc'; + relname +--------- +(0 rows) + +-- to_char +SET lc_time TO 'tr_TR'; +SELECT to_char(date '2010-02-01', 'DD TMMON YYYY'); + to_char +------------- + 01 ŞUB 2010 +(1 row) + +SELECT to_char(date '2010-02-01', 'DD TMMON YYYY' COLLATE "tr_TR"); + to_char +------------- + 01 ŞUB 2010 +(1 row) + +SELECT to_char(date '2010-04-01', 'DD TMMON YYYY'); + to_char +------------- + 01 NIS 2010 +(1 row) + +SELECT to_char(date '2010-04-01', 'DD TMMON YYYY' COLLATE "tr_TR"); + to_char +------------- + 01 NİS 2010 +(1 row) + +-- to_date +SELECT to_date('01 ŞUB 2010', 'DD TMMON YYYY'); + to_date +------------ + 02-01-2010 +(1 row) + +SELECT to_date('01 Şub 2010', 'DD TMMON YYYY'); + to_date +------------ + 02-01-2010 +(1 row) + +SELECT to_date('1234567890ab 2010', 'TMMONTH YYYY'); -- fail +ERROR: invalid value "1234567890ab" for "MONTH" +DETAIL: The given value did not match any of the allowed values for this field. +-- backwards parsing +CREATE VIEW collview1 AS SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc'; +CREATE VIEW collview2 AS SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C"; +CREATE VIEW collview3 AS SELECT a, lower((x || x) COLLATE "C") FROM collate_test10; +SELECT table_name, view_definition FROM information_schema.views + WHERE table_name LIKE 'collview%' ORDER BY 1; + table_name | view_definition +------------+-------------------------------------------------------------------------- + collview1 | SELECT collate_test1.a, + + | collate_test1.b + + | FROM collate_test1 + + | WHERE ((collate_test1.b COLLATE "C") >= 'bbc'::text); + collview2 | SELECT collate_test1.a, + + | collate_test1.b + + | FROM collate_test1 + + | ORDER BY (collate_test1.b COLLATE "C"); + collview3 | SELECT collate_test10.a, + + | lower(((collate_test10.x || collate_test10.x) COLLATE "C")) AS lower+ + | FROM collate_test10; +(3 rows) + +-- collation propagation in various expression types +SELECT a, coalesce(b, 'foo') FROM collate_test1 ORDER BY 2; + a | coalesce +---+---------- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, coalesce(b, 'foo') FROM collate_test2 ORDER BY 2; + a | coalesce +---+---------- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, coalesce(b, 'foo') FROM collate_test3 ORDER BY 2; + a | coalesce +---+---------- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, lower(coalesce(x, 'foo')), lower(coalesce(y, 'foo')) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hıj +(2 rows) + +SELECT a, b, greatest(b, 'CCC') FROM collate_test1 ORDER BY 3; + a | b | greatest +---+-----+---------- + 1 | abc | CCC + 2 | äbc | CCC + 3 | bbc | CCC + 4 | ABC | CCC +(4 rows) + +SELECT a, b, greatest(b, 'CCC') FROM collate_test2 ORDER BY 3; + a | b | greatest +---+-----+---------- + 1 | abc | CCC + 3 | bbc | CCC + 4 | ABC | CCC + 2 | äbc | äbc +(4 rows) + +SELECT a, b, greatest(b, 'CCC') FROM collate_test3 ORDER BY 3; + a | b | greatest +---+-----+---------- + 4 | ABC | CCC + 1 | abc | abc + 3 | bbc | bbc + 2 | äbc | äbc +(4 rows) + +SELECT a, x, y, lower(greatest(x, 'foo')), lower(greatest(y, 'foo')) FROM collate_test10; + a | x | y | lower | lower +---+-----+-----+-------+------- + 1 | hij | hij | hij | hij + 2 | HIJ | HIJ | hij | hıj +(2 rows) + +SELECT a, nullif(b, 'abc') FROM collate_test1 ORDER BY 2; + a | nullif +---+-------- + 4 | ABC + 2 | äbc + 3 | bbc + 1 | +(4 rows) + +SELECT a, nullif(b, 'abc') FROM collate_test2 ORDER BY 2; + a | nullif +---+-------- + 4 | ABC + 3 | bbc + 2 | äbc + 1 | +(4 rows) + +SELECT a, nullif(b, 'abc') FROM collate_test3 ORDER BY 2; + a | nullif +---+-------- + 4 | ABC + 3 | bbc + 2 | äbc + 1 | +(4 rows) + +SELECT a, lower(nullif(x, 'foo')), lower(nullif(y, 'foo')) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hıj +(2 rows) + +SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test1 ORDER BY 2; + a | b +---+------ + 4 | ABC + 2 | äbc + 1 | abcd + 3 | bbc +(4 rows) + +SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test2 ORDER BY 2; + a | b +---+------ + 4 | ABC + 1 | abcd + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test3 ORDER BY 2; + a | b +---+------ + 4 | ABC + 1 | abcd + 3 | bbc + 2 | äbc +(4 rows) + +CREATE DOMAIN testdomain AS text; +SELECT a, b::testdomain FROM collate_test1 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, b::testdomain FROM collate_test2 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b::testdomain FROM collate_test3 ORDER BY 2; + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b::testdomain_sv FROM collate_test3 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, lower(x::testdomain), lower(y::testdomain) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hıj +(2 rows) + +SELECT min(b), max(b) FROM collate_test1; + min | max +-----+----- + abc | bbc +(1 row) + +SELECT min(b), max(b) FROM collate_test2; + min | max +-----+----- + abc | äbc +(1 row) + +SELECT min(b), max(b) FROM collate_test3; + min | max +-----+----- + ABC | äbc +(1 row) + +SELECT array_agg(b ORDER BY b) FROM collate_test1; + array_agg +------------------- + {abc,ABC,äbc,bbc} +(1 row) + +SELECT array_agg(b ORDER BY b) FROM collate_test2; + array_agg +------------------- + {abc,ABC,bbc,äbc} +(1 row) + +SELECT array_agg(b ORDER BY b) FROM collate_test3; + array_agg +------------------- + {ABC,abc,bbc,äbc} +(1 row) + +SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test1 ORDER BY 2; + a | b +---+----- + 1 | abc + 1 | abc + 4 | ABC + 4 | ABC + 2 | äbc + 2 | äbc + 3 | bbc + 3 | bbc +(8 rows) + +SELECT a, b FROM collate_test2 UNION SELECT a, b FROM collate_test2 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b FROM collate_test3 WHERE a < 4 INTERSECT SELECT a, b FROM collate_test3 WHERE a > 1 ORDER BY 2; + a | b +---+----- + 3 | bbc + 2 | äbc +(2 rows) + +SELECT a, b FROM collate_test3 EXCEPT SELECT a, b FROM collate_test3 WHERE a < 2 ORDER BY 2; + a | b +---+----- + 4 | ABC + 3 | bbc + 2 | äbc +(3 rows) + +SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3 ORDER BY 2; -- fail +ERROR: could not determine which collation to use for string comparison +HINT: Use the COLLATE clause to set the collation explicitly. +SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- ok + a | b +---+----- + 1 | abc + 2 | äbc + 3 | bbc + 4 | ABC + 1 | abc + 2 | äbc + 3 | bbc + 4 | ABC +(8 rows) + +SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "en_US" and "C" +LINE 1: SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collat... + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +SELECT a, b COLLATE "C" FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- ok + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "en_US" and "C" +LINE 1: ...ELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM col... + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "en_US" and "C" +LINE 1: SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM colla... + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +CREATE TABLE test_u AS SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- fail +ERROR: no collation was derived for column "b" with collatable type text +HINT: Use the COLLATE clause to set the collation explicitly. +-- ideally this would be a parse-time error, but for now it must be run-time: +select x < y from collate_test10; -- fail +ERROR: could not determine which collation to use for string comparison +HINT: Use the COLLATE clause to set the collation explicitly. +select x || y from collate_test10; -- ok, because || is not collation aware + ?column? +---------- + hijhij + HIJHIJ +(2 rows) + +select x, y from collate_test10 order by x || y; -- not so ok +ERROR: collation mismatch between implicit collations "en_US" and "tr_TR" +LINE 1: select x, y from collate_test10 order by x || y; + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +-- collation mismatch between recursive and non-recursive term +WITH RECURSIVE foo(x) AS + (SELECT x FROM (VALUES('a' COLLATE "en_US"),('b')) t(x) + UNION ALL + SELECT (x || 'c') COLLATE "de_DE" FROM foo WHERE length(x) < 10) +SELECT * FROM foo; +ERROR: recursive query "foo" column 1 has collation "en_US" in non-recursive term but collation "de_DE" overall +LINE 2: (SELECT x FROM (VALUES('a' COLLATE "en_US"),('b')) t(x) + ^ +HINT: Use the COLLATE clause to set the collation of the non-recursive term. +-- casting +SELECT CAST('42' AS text COLLATE "C"); +ERROR: syntax error at or near "COLLATE" +LINE 1: SELECT CAST('42' AS text COLLATE "C"); + ^ +SELECT a, CAST(b AS varchar) FROM collate_test1 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, CAST(b AS varchar) FROM collate_test2 ORDER BY 2; + a | b +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, CAST(b AS varchar) FROM collate_test3 ORDER BY 2; + a | b +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +-- propagation of collation in SQL functions (inlined and non-inlined cases) +-- and plpgsql functions too +CREATE FUNCTION mylt (text, text) RETURNS boolean LANGUAGE sql + AS $$ select $1 < $2 $$; +CREATE FUNCTION mylt_noninline (text, text) RETURNS boolean LANGUAGE sql + AS $$ select $1 < $2 limit 1 $$; +CREATE FUNCTION mylt_plpgsql (text, text) RETURNS boolean LANGUAGE plpgsql + AS $$ begin return $1 < $2; end $$; +SELECT a.b AS a, b.b AS b, a.b < b.b AS lt, + mylt(a.b, b.b), mylt_noninline(a.b, b.b), mylt_plpgsql(a.b, b.b) +FROM collate_test1 a, collate_test1 b +ORDER BY a.b, b.b; + a | b | lt | mylt | mylt_noninline | mylt_plpgsql +-----+-----+----+------+----------------+-------------- + abc | abc | f | f | f | f + abc | ABC | t | t | t | t + abc | äbc | t | t | t | t + abc | bbc | t | t | t | t + ABC | abc | f | f | f | f + ABC | ABC | f | f | f | f + ABC | äbc | t | t | t | t + ABC | bbc | t | t | t | t + äbc | abc | f | f | f | f + äbc | ABC | f | f | f | f + äbc | äbc | f | f | f | f + äbc | bbc | t | t | t | t + bbc | abc | f | f | f | f + bbc | ABC | f | f | f | f + bbc | äbc | f | f | f | f + bbc | bbc | f | f | f | f +(16 rows) + +SELECT a.b AS a, b.b AS b, a.b < b.b COLLATE "C" AS lt, + mylt(a.b, b.b COLLATE "C"), mylt_noninline(a.b, b.b COLLATE "C"), + mylt_plpgsql(a.b, b.b COLLATE "C") +FROM collate_test1 a, collate_test1 b +ORDER BY a.b, b.b; + a | b | lt | mylt | mylt_noninline | mylt_plpgsql +-----+-----+----+------+----------------+-------------- + abc | abc | f | f | f | f + abc | ABC | f | f | f | f + abc | äbc | t | t | t | t + abc | bbc | t | t | t | t + ABC | abc | t | t | t | t + ABC | ABC | f | f | f | f + ABC | äbc | t | t | t | t + ABC | bbc | t | t | t | t + äbc | abc | f | f | f | f + äbc | ABC | f | f | f | f + äbc | äbc | f | f | f | f + äbc | bbc | f | f | f | f + bbc | abc | f | f | f | f + bbc | ABC | f | f | f | f + bbc | äbc | t | t | t | t + bbc | bbc | f | f | f | f +(16 rows) + +-- collation override in plpgsql +CREATE FUNCTION mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$ +declare + xx text := x; + yy text := y; +begin + return xx < yy; +end +$$; +SELECT mylt2('a', 'B' collate "en_US") as t, mylt2('a', 'B' collate "C") as f; + t | f +---+--- + t | f +(1 row) + +CREATE OR REPLACE FUNCTION + mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$ +declare + xx text COLLATE "POSIX" := x; + yy text := y; +begin + return xx < yy; +end +$$; +SELECT mylt2('a', 'B') as f; + f +--- + f +(1 row) + +SELECT mylt2('a', 'B' collate "C") as fail; -- conflicting collations +ERROR: could not determine which collation to use for string comparison +HINT: Use the COLLATE clause to set the collation explicitly. +CONTEXT: PL/pgSQL function mylt2(text,text) line 6 at RETURN +SELECT mylt2('a', 'B' collate "POSIX") as f; + f +--- + f +(1 row) + +-- polymorphism +SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test1)) ORDER BY 1; + unnest +-------- + abc + ABC + äbc + bbc +(4 rows) + +SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test2)) ORDER BY 1; + unnest +-------- + abc + ABC + bbc + äbc +(4 rows) + +SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test3)) ORDER BY 1; + unnest +-------- + ABC + abc + bbc + äbc +(4 rows) + +CREATE FUNCTION dup (anyelement) RETURNS anyelement + AS 'select $1' LANGUAGE sql; +SELECT a, dup(b) FROM collate_test1 ORDER BY 2; + a | dup +---+----- + 1 | abc + 4 | ABC + 2 | äbc + 3 | bbc +(4 rows) + +SELECT a, dup(b) FROM collate_test2 ORDER BY 2; + a | dup +---+----- + 1 | abc + 4 | ABC + 3 | bbc + 2 | äbc +(4 rows) + +SELECT a, dup(b) FROM collate_test3 ORDER BY 2; + a | dup +---+----- + 4 | ABC + 1 | abc + 3 | bbc + 2 | äbc +(4 rows) + +-- indexes +CREATE INDEX collate_test1_idx1 ON collate_test1 (b); +CREATE INDEX collate_test1_idx2 ON collate_test1 (b COLLATE "C"); +CREATE INDEX collate_test1_idx3 ON collate_test1 ((b COLLATE "C")); -- this is different grammatically +CREATE INDEX collate_test1_idx4 ON collate_test1 (((b||'foo') COLLATE "POSIX")); +CREATE INDEX collate_test1_idx5 ON collate_test1 (a COLLATE "C"); -- fail +ERROR: collations are not supported by type integer +CREATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C")); -- fail +ERROR: collations are not supported by type integer +LINE 1: ...ATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C... + ^ +SELECT relname, pg_get_indexdef(oid) FROM pg_class WHERE relname LIKE 'collate_test%_idx%' ORDER BY 1; + relname | pg_get_indexdef +--------------------+------------------------------------------------------------------------------------------------------------------- + collate_test1_idx1 | CREATE INDEX collate_test1_idx1 ON collate_tests.collate_test1 USING btree (b) + collate_test1_idx2 | CREATE INDEX collate_test1_idx2 ON collate_tests.collate_test1 USING btree (b COLLATE "C") + collate_test1_idx3 | CREATE INDEX collate_test1_idx3 ON collate_tests.collate_test1 USING btree (b COLLATE "C") + collate_test1_idx4 | CREATE INDEX collate_test1_idx4 ON collate_tests.collate_test1 USING btree (((b || 'foo'::text)) COLLATE "POSIX") +(4 rows) + +-- schema manipulation commands +CREATE ROLE regress_test_role; +CREATE SCHEMA test_schema; +-- We need to do this this way to cope with varying names for encodings: +do $$ +BEGIN + EXECUTE 'CREATE COLLATION test0 (locale = ' || + quote_literal(current_setting('lc_collate')) || ');'; +END +$$; +CREATE COLLATION test0 FROM "C"; -- fail, duplicate name +ERROR: collation "test0" already exists +CREATE COLLATION IF NOT EXISTS test0 FROM "C"; -- ok, skipped +NOTICE: collation "test0" already exists, skipping +CREATE COLLATION IF NOT EXISTS test0 (locale = 'foo'); -- ok, skipped +NOTICE: collation "test0" for encoding "UTF8" already exists, skipping +do $$ +BEGIN + EXECUTE 'CREATE COLLATION test1 (lc_collate = ' || + quote_literal(current_setting('lc_collate')) || + ', lc_ctype = ' || + quote_literal(current_setting('lc_ctype')) || ');'; +END +$$; +CREATE COLLATION test3 (lc_collate = 'en_US.utf8'); -- fail, need lc_ctype +ERROR: parameter "lc_ctype" must be specified +CREATE COLLATION testx (locale = 'nonsense'); -- fail +ERROR: could not create locale "nonsense": No such file or directory +DETAIL: The operating system could not find any locale data for the locale name "nonsense". +CREATE COLLATION test4 FROM nonsense; +ERROR: collation "nonsense" for encoding "UTF8" does not exist +CREATE COLLATION test5 FROM test0; +SELECT collname FROM pg_collation WHERE collname LIKE 'test%' ORDER BY 1; + collname +---------- + test0 + test1 + test5 +(3 rows) + +ALTER COLLATION test1 RENAME TO test11; +ALTER COLLATION test0 RENAME TO test11; -- fail +ERROR: collation "test11" for encoding "UTF8" already exists in schema "collate_tests" +ALTER COLLATION test1 RENAME TO test22; -- fail +ERROR: collation "test1" for encoding "UTF8" does not exist +ALTER COLLATION test11 OWNER TO regress_test_role; +ALTER COLLATION test11 OWNER TO nonsense; +ERROR: role "nonsense" does not exist +ALTER COLLATION test11 SET SCHEMA test_schema; +COMMENT ON COLLATION test0 IS 'US English'; +SELECT collname, nspname, obj_description(pg_collation.oid, 'pg_collation') + FROM pg_collation JOIN pg_namespace ON (collnamespace = pg_namespace.oid) + WHERE collname LIKE 'test%' + ORDER BY 1; + collname | nspname | obj_description +----------+---------------+----------------- + test0 | collate_tests | US English + test11 | test_schema | + test5 | collate_tests | +(3 rows) + +DROP COLLATION test0, test_schema.test11, test5; +DROP COLLATION test0; -- fail +ERROR: collation "test0" for encoding "UTF8" does not exist +DROP COLLATION IF EXISTS test0; +NOTICE: collation "test0" does not exist, skipping +SELECT collname FROM pg_collation WHERE collname LIKE 'test%'; + collname +---------- +(0 rows) + +DROP SCHEMA test_schema; +DROP ROLE regress_test_role; +-- ALTER +ALTER COLLATION "en_US" REFRESH VERSION; +NOTICE: version has not changed +-- dependencies +CREATE COLLATION test0 FROM "C"; +CREATE TABLE collate_dep_test1 (a int, b text COLLATE test0); +CREATE DOMAIN collate_dep_dom1 AS text COLLATE test0; +CREATE TYPE collate_dep_test2 AS (x int, y text COLLATE test0); +CREATE VIEW collate_dep_test3 AS SELECT text 'foo' COLLATE test0 AS foo; +CREATE TABLE collate_dep_test4t (a int, b text); +CREATE INDEX collate_dep_test4i ON collate_dep_test4t (b COLLATE test0); +DROP COLLATION test0 RESTRICT; -- fail +ERROR: cannot drop collation test0 because other objects depend on it +DETAIL: column b of table collate_dep_test1 depends on collation test0 +type collate_dep_dom1 depends on collation test0 +column y of composite type collate_dep_test2 depends on collation test0 +view collate_dep_test3 depends on collation test0 +index collate_dep_test4i depends on collation test0 +HINT: Use DROP ... CASCADE to drop the dependent objects too. +DROP COLLATION test0 CASCADE; +NOTICE: drop cascades to 5 other objects +DETAIL: drop cascades to column b of table collate_dep_test1 +drop cascades to type collate_dep_dom1 +drop cascades to column y of composite type collate_dep_test2 +drop cascades to view collate_dep_test3 +drop cascades to index collate_dep_test4i +\d collate_dep_test1 + Table "collate_tests.collate_dep_test1" + Column | Type | Collation | Nullable | Default +--------+---------+-----------+----------+--------- + a | integer | | | + +\d collate_dep_test2 + Composite type "collate_tests.collate_dep_test2" + Column | Type | Collation | Nullable | Default +--------+---------+-----------+----------+--------- + x | integer | | | + +DROP TABLE collate_dep_test1, collate_dep_test4t; +DROP TYPE collate_dep_test2; +-- test range types and collations +create type textrange_c as range(subtype=text, collation="C"); +create type textrange_en_us as range(subtype=text, collation="en_US"); +select textrange_c('A','Z') @> 'b'::text; + ?column? +---------- + f +(1 row) + +select textrange_en_us('A','Z') @> 'b'::text; + ?column? +---------- + t +(1 row) + +drop type textrange_c; +drop type textrange_en_us; +-- nondeterministic collations +-- (not supported with libc provider) +CREATE COLLATION ctest_det (locale = 'en_US.utf8', deterministic = true); +CREATE COLLATION ctest_nondet (locale = 'en_US.utf8', deterministic = false); +ERROR: nondeterministic collations not supported with this provider +-- cleanup +SET client_min_messages TO warning; +DROP SCHEMA collate_tests CASCADE; |