#define READ_LOCALE_A_OUTPUT
#endif
+/* will we use EnumSystemLocalesEx in pg_import_system_collations? */
+#ifdef WIN32
+#define ENUM_SYSTEM_LOCALE
+#endif
+
+
#ifdef READ_LOCALE_A_OUTPUT
/*
* "Normalize" a libc locale name, stripping off encoding tags such as
#endif /* USE_ICU */
+/*
+ * Create a new collation using the input locale 'locale'. (subroutine for
+ * pg_import_system_collations())
+ *
+ * 'nspid' is the namespace id where the collation will be created.
+ *
+ * 'nvalidp' is incremented if the locale has a valid encoding.
+ *
+ * 'ncreatedp' is incremented if the collation is actually created. If the
+ * collation already exists it will quietly do nothing.
+ *
+ * The returned value is the encoding of the locale, -1 if the locale is not
+ * valid for creating a collation.
+ *
+ */
+pg_attribute_unused()
+static int
+create_collation_from_locale(const char *locale, int nspid,
+ int *nvalidp, int *ncreatedp)
+{
+ int enc;
+ Oid collid;
+
+ /*
+ * Some systems have locale names that don't consist entirely of
+ * ASCII letters (such as "bokmål" or "français").
+ * This is pretty silly, since we need the locale itself to
+ * interpret the non-ASCII characters. We can't do much with
+ * those, so we filter them out.
+ */
+ if (!pg_is_ascii(locale))
+ {
+ elog(DEBUG1, "skipping locale with non-ASCII name: \"%s\"", locale);
+ return -1;
+ }
+
+ enc = pg_get_encoding_from_locale(locale, false);
+ if (enc < 0)
+ {
+ elog(DEBUG1, "skipping locale with unrecognized encoding: \"%s\"", locale);
+ return -1;
+ }
+ if (!PG_VALID_BE_ENCODING(enc))
+ {
+ elog(DEBUG1, "skipping locale with client-only encoding: \"%s\"", locale);
+ return -1;
+ }
+ if (enc == PG_SQL_ASCII)
+ return -1; /* C/POSIX are already in the catalog */
+
+ /* count valid locales found in operating system */
+ (*nvalidp)++;
+
+ /*
+ * Create a collation named the same as the locale, but quietly
+ * doing nothing if it already exists. This is the behavior we
+ * need even at initdb time, because some versions of "locale -a"
+ * can report the same locale name more than once. And it's
+ * convenient for later import runs, too, since you just about
+ * always want to add on new locales without a lot of chatter
+ * about existing ones.
+ */
+ collid = CollationCreate(locale, nspid, GetUserId(),
+ COLLPROVIDER_LIBC, true, enc,
+ locale, locale, NULL,
+ get_collation_actual_version(COLLPROVIDER_LIBC, locale),
+ true, true);
+ if (OidIsValid(collid))
+ {
+ (*ncreatedp)++;
+
+ /* Must do CCI between inserts to handle duplicates correctly */
+ CommandCounterIncrement();
+ }
+
+ return enc;
+}
+
+
+#ifdef ENUM_SYSTEM_LOCALE
+/* parameter to be passed to the callback function win32_read_locale() */
+typedef struct
+{
+ Oid nspid;
+ int *ncreatedp;
+ int *nvalidp;
+} CollParam;
+
+/*
+ * Callback function for EnumSystemLocalesEx() in
+ * pg_import_system_collations(). Creates a collation for every valid locale
+ * and a POSIX alias collation.
+ *
+ * The callback contract is to return TRUE to continue enumerating and FALSE
+ * to stop enumerating. We always want to continue.
+ */
+static BOOL CALLBACK
+win32_read_locale(LPWSTR pStr, DWORD dwFlags, LPARAM lparam)
+{
+ CollParam *param = (CollParam *) lparam;
+ char localebuf[NAMEDATALEN];
+ int result;
+ int enc;
+
+ (void) dwFlags;
+
+ result = WideCharToMultiByte(CP_ACP, 0, pStr, -1, localebuf, NAMEDATALEN,
+ NULL, NULL);
+
+ if (result == 0)
+ {
+ if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+ elog(DEBUG1, "skipping locale with too-long name: \"%s\"", localebuf);
+ return TRUE;
+ }
+ if (localebuf[0] == '\0')
+ return TRUE;
+
+ enc = create_collation_from_locale(localebuf, param->nspid,
+ param->nvalidp, param->ncreatedp);
+ if (enc < 0)
+ return TRUE;
+
+ /*
+ * Windows will use hyphens between language and territory, where POSIX
+ * uses an underscore. Simply create a POSIX alias.
+ */
+ if (strchr(localebuf, '-'))
+ {
+ char alias[NAMEDATALEN];
+ Oid collid;
+
+ strcpy(alias, localebuf);
+ for (char *p = alias; *p; p++)
+ if (*p == '-')
+ *p = '_';
+
+ collid = CollationCreate(alias, param->nspid, GetUserId(),
+ COLLPROVIDER_LIBC, true, enc,
+ localebuf, localebuf, NULL,
+ get_collation_actual_version(COLLPROVIDER_LIBC, localebuf),
+ true, true);
+ if (OidIsValid(collid))
+ {
+ (*param->ncreatedp)++;
+
+ CommandCounterIncrement();
+ }
+ }
+
+ return TRUE;
+}
+#endif /* ENUM_SYSTEM_LOCALE */
+
+
/*
* pg_import_system_collations: add known system collations to pg_collation
*/
}
localebuf[len - 1] = '\0';
- /*
- * Some systems have locale names that don't consist entirely of
- * ASCII letters (such as "bokmål" or "français").
- * This is pretty silly, since we need the locale itself to
- * interpret the non-ASCII characters. We can't do much with
- * those, so we filter them out.
- */
- if (!pg_is_ascii(localebuf))
- {
- elog(DEBUG1, "skipping locale with non-ASCII name: \"%s\"", localebuf);
- continue;
- }
-
- enc = pg_get_encoding_from_locale(localebuf, false);
+ enc = create_collation_from_locale(localebuf, nspid, &nvalid, &ncreated);
if (enc < 0)
- {
- elog(DEBUG1, "skipping locale with unrecognized encoding: \"%s\"",
- localebuf);
- continue;
- }
- if (!PG_VALID_BE_ENCODING(enc))
- {
- elog(DEBUG1, "skipping locale with client-only encoding: \"%s\"", localebuf);
continue;
- }
- if (enc == PG_SQL_ASCII)
- continue; /* C/POSIX are already in the catalog */
-
- /* count valid locales found in operating system */
- nvalid++;
-
- /*
- * Create a collation named the same as the locale, but quietly
- * doing nothing if it already exists. This is the behavior we
- * need even at initdb time, because some versions of "locale -a"
- * can report the same locale name more than once. And it's
- * convenient for later import runs, too, since you just about
- * always want to add on new locales without a lot of chatter
- * about existing ones.
- */
- collid = CollationCreate(localebuf, nspid, GetUserId(),
- COLLPROVIDER_LIBC, true, enc,
- localebuf, localebuf, NULL,
- get_collation_actual_version(COLLPROVIDER_LIBC, localebuf),
- true, true);
- if (OidIsValid(collid))
- {
- ncreated++;
-
- /* Must do CCI between inserts to handle duplicates correctly */
- CommandCounterIncrement();
- }
/*
* Generate aliases such as "en_US" in addition to "en_US.utf8"
}
#endif /* USE_ICU */
+ /* Load collations known to WIN32 */
+#ifdef ENUM_SYSTEM_LOCALE
+ {
+ int nvalid = 0;
+ CollParam param;
+
+ param.nspid = nspid;
+ param.ncreatedp = &ncreated;
+ param.nvalidp = &nvalid;
+
+ /*
+ * Enumerate the locales that are either installed on or supported
+ * by the OS.
+ */
+ if (!EnumSystemLocalesEx(win32_read_locale, LOCALE_ALL,
+ (LPARAM) ¶m, NULL))
+ _dosmaperr(GetLastError());
+
+ /* Give a warning if EnumSystemLocalesEx seems to be malfunctioning */
+ if (nvalid == 0)
+ ereport(WARNING,
+ (errmsg("no usable system locales were found")));
+ }
+#endif /* ENUM_SYSTEM_LOCALE */
+
PG_RETURN_INT32(ncreated);
}
--- /dev/null
+/*
+ * This test is meant to run on Windows systems that has successfully
+ * run pg_import_system_collations(). Also, the database must have
+ * WIN1252 encoding, because of the locales' own encodings. Because
+ * of this, some test are lost from UTF-8 version, such as Turkish
+ * dotted and undotted 'i'.
+ */
+SELECT getdatabaseencoding() <> 'WIN1252' OR
+ (SELECT count(*) FROM pg_collation WHERE collname IN ('de_DE', 'en_US', 'sv_SE') AND collencoding = pg_char_to_encoding('WIN1252')) <> 3 OR
+ (version() !~ 'Visual C\+\+' AND version() !~ 'mingw32' AND version() !~ 'windows')
+ AS skip_test \gset
+\if :skip_test
+\quit
+\endif
+SET client_encoding TO WIN1252;
+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 "WIN1252" 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 "WIN1252" 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)
+
+-- 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)
+
+-- 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)
+
+-- 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 'de_DE';
+SELECT to_char(date '2010-03-01', 'DD TMMON YYYY');
+ to_char
+-------------
+ 01 MRZ 2010
+(1 row)
+
+SELECT to_char(date '2010-03-01', 'DD TMMON YYYY' COLLATE "de_DE");
+ to_char
+-------------
+ 01 MRZ 2010
+(1 row)
+
+-- to_date
+SELECT to_date('01 MÄR 2010', 'DD TMMON YYYY');
+ERROR: invalid value "MÄR" for "MON"
+DETAIL: The given value did not match any of the allowed values for this field.
+SELECT to_date('01 Mär 2010', 'DD TMMON YYYY');
+ERROR: invalid value "Mär" for "MON"
+DETAIL: The given value did not match any of the allowed values for this field.
+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";
+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");
+(2 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, 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, 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, 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 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.
+-- 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 "WIN1252" 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 "WIN1252" 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 "WIN1252" already exists in schema "collate_tests"
+ALTER COLLATION test1 RENAME TO test22; -- fail
+ERROR: collation "test1" for encoding "WIN1252" 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 "WIN1252" 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
+-- also test for database while we are here
+SELECT current_database() AS datname \gset
+ALTER DATABASE :"datname" REFRESH COLLATION 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', deterministic = true);
+CREATE COLLATION ctest_nondet (locale = 'en_US', deterministic = false);
+ERROR: nondeterministic collations not supported with this provider
+-- cleanup
+SET client_min_messages TO warning;
+DROP SCHEMA collate_tests CASCADE;
--- /dev/null
+/*
+ * This test is meant to run on Windows systems that has successfully
+ * run pg_import_system_collations(). Also, the database must have
+ * WIN1252 encoding, because of the locales' own encodings. Because
+ * of this, some test are lost from UTF-8 version, such as Turkish
+ * dotted and undotted 'i'.
+ */
+SELECT getdatabaseencoding() <> 'WIN1252' OR
+ (SELECT count(*) FROM pg_collation WHERE collname IN ('de_DE', 'en_US', 'sv_SE') AND collencoding = pg_char_to_encoding('WIN1252')) <> 3 OR
+ (version() !~ 'Visual C\+\+' AND version() !~ 'mingw32' AND version() !~ 'windows')
+ AS skip_test \gset
+\if :skip_test
+\quit
test: create_table_like alter_generic alter_operator misc async dbsize merge misc_functions sysviews tsrf tid tidscan tidrangescan collate.icu.utf8 incremental_sort create_role
# collate.*.utf8 tests cannot be run in parallel with each other
-test: rules psql psql_crosstab amutils stats_ext collate.linux.utf8
+test: rules psql psql_crosstab amutils stats_ext collate.linux.utf8 collate.windows.win1252
# ----------
# Run these alone so they don't run out of parallel workers
--- /dev/null
+/*
+ * This test is meant to run on Windows systems that has successfully
+ * run pg_import_system_collations(). Also, the database must have
+ * WIN1252 encoding, because of the locales' own encodings. Because
+ * of this, some test are lost from UTF-8 version, such as Turkish
+ * dotted and undotted 'i'.
+ */
+SELECT getdatabaseencoding() <> 'WIN1252' OR
+ (SELECT count(*) FROM pg_collation WHERE collname IN ('de_DE', 'en_US', 'sv_SE') AND collencoding = pg_char_to_encoding('WIN1252')) <> 3 OR
+ (version() !~ 'Visual C\+\+' AND version() !~ 'mingw32' AND version() !~ 'windows')
+ AS skip_test \gset
+\if :skip_test
+\quit
+\endif
+
+SET client_encoding TO WIN1252;
+
+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
+
+CREATE TABLE collate_test_fail (
+ a int,
+ b text COLLATE "ja_JP.eucjp"
+);
+
+CREATE TABLE collate_test_fail (
+ a int,
+ b text COLLATE "foo"
+);
+
+CREATE TABLE collate_test_fail (
+ a int COLLATE "en_US",
+ b text
+);
+
+CREATE TABLE collate_test_like (
+ LIKE collate_test1
+);
+
+\d collate_test_like
+
+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';
+SELECT * FROM collate_test2 WHERE b >= 'bbc';
+SELECT * FROM collate_test3 WHERE b >= 'bbc';
+SELECT * FROM collate_test3 WHERE b >= 'BBC';
+
+SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc';
+SELECT * FROM collate_test1 WHERE b >= 'bbc' COLLATE "C";
+SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "C";
+SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "en_US";
+
+
+CREATE DOMAIN testdomain_sv AS text COLLATE "sv_SE";
+CREATE DOMAIN testdomain_i AS int COLLATE "sv_SE"; -- fails
+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;
+
+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;
+
+
+SELECT a, b FROM collate_test1 ORDER BY b;
+SELECT a, b FROM collate_test2 ORDER BY b;
+SELECT a, b FROM collate_test3 ORDER BY b;
+
+SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C";
+
+-- star expansion
+SELECT * FROM collate_test1 ORDER BY b;
+SELECT * FROM collate_test2 ORDER BY b;
+SELECT * FROM collate_test3 ORDER BY b;
+
+-- constant expression folding
+SELECT 'bbc' COLLATE "en_US" > 'äbc' COLLATE "en_US" AS "true";
+SELECT 'bbc' COLLATE "sv_SE" > 'äbc' COLLATE "sv_SE" AS "false";
+
+-- LIKE/ILIKE
+
+SELECT * FROM collate_test1 WHERE b LIKE 'abc';
+SELECT * FROM collate_test1 WHERE b LIKE 'abc%';
+SELECT * FROM collate_test1 WHERE b LIKE '%bc%';
+SELECT * FROM collate_test1 WHERE b ILIKE 'abc';
+SELECT * FROM collate_test1 WHERE b ILIKE 'abc%';
+SELECT * FROM collate_test1 WHERE b ILIKE '%bc%';
+
+
+-- The following actually exercises the selectivity estimation for ILIKE.
+SELECT relname FROM pg_class WHERE relname ILIKE 'abc%';
+
+-- regular expressions
+
+SELECT * FROM collate_test1 WHERE b ~ '^abc$';
+SELECT * FROM collate_test1 WHERE b ~ '^abc';
+SELECT * FROM collate_test1 WHERE b ~ 'bc';
+SELECT * FROM collate_test1 WHERE b ~* '^abc$';
+SELECT * FROM collate_test1 WHERE b ~* '^abc';
+SELECT * FROM collate_test1 WHERE b ~* 'bc';
+
+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;
+
+
+-- The following actually exercises the selectivity estimation for ~*.
+SELECT relname FROM pg_class WHERE relname ~* '^abc';
+
+
+-- to_char
+
+SET lc_time TO 'de_DE';
+SELECT to_char(date '2010-03-01', 'DD TMMON YYYY');
+SELECT to_char(date '2010-03-01', 'DD TMMON YYYY' COLLATE "de_DE");
+
+-- to_date
+
+SELECT to_date('01 MÄR 2010', 'DD TMMON YYYY');
+SELECT to_date('01 Mär 2010', 'DD TMMON YYYY');
+SELECT to_date('1234567890ab 2010', 'TMMONTH YYYY'); -- fail
+
+
+-- 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";
+
+SELECT table_name, view_definition FROM information_schema.views
+ WHERE table_name LIKE 'collview%' ORDER BY 1;
+
+
+-- collation propagation in various expression types
+
+SELECT a, coalesce(b, 'foo') FROM collate_test1 ORDER BY 2;
+SELECT a, coalesce(b, 'foo') FROM collate_test2 ORDER BY 2;
+SELECT a, coalesce(b, 'foo') FROM collate_test3 ORDER BY 2;
+
+SELECT a, b, greatest(b, 'CCC') FROM collate_test1 ORDER BY 3;
+SELECT a, b, greatest(b, 'CCC') FROM collate_test2 ORDER BY 3;
+SELECT a, b, greatest(b, 'CCC') FROM collate_test3 ORDER BY 3;
+
+SELECT a, nullif(b, 'abc') FROM collate_test1 ORDER BY 2;
+SELECT a, nullif(b, 'abc') FROM collate_test2 ORDER BY 2;
+SELECT a, nullif(b, 'abc') FROM collate_test3 ORDER BY 2;
+
+SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test1 ORDER BY 2;
+SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test2 ORDER BY 2;
+SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test3 ORDER BY 2;
+
+CREATE DOMAIN testdomain AS text;
+SELECT a, b::testdomain FROM collate_test1 ORDER BY 2;
+SELECT a, b::testdomain FROM collate_test2 ORDER BY 2;
+SELECT a, b::testdomain FROM collate_test3 ORDER BY 2;
+SELECT a, b::testdomain_sv FROM collate_test3 ORDER BY 2;
+
+SELECT min(b), max(b) FROM collate_test1;
+SELECT min(b), max(b) FROM collate_test2;
+SELECT min(b), max(b) FROM collate_test3;
+
+SELECT array_agg(b ORDER BY b) FROM collate_test1;
+SELECT array_agg(b ORDER BY b) FROM collate_test2;
+SELECT array_agg(b ORDER BY b) FROM collate_test3;
+
+SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test1 ORDER BY 2;
+SELECT a, b FROM collate_test2 UNION SELECT a, b FROM collate_test2 ORDER BY 2;
+SELECT a, b FROM collate_test3 WHERE a < 4 INTERSECT SELECT a, b FROM collate_test3 WHERE a > 1 ORDER BY 2;
+SELECT a, b FROM collate_test3 EXCEPT SELECT a, b FROM collate_test3 WHERE a < 2 ORDER BY 2;
+
+SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
+SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- ok
+SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
+SELECT a, b COLLATE "C" FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- ok
+SELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
+SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
+
+CREATE TABLE test_u AS SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- fail
+
+-- 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;
+
+
+-- casting
+
+SELECT CAST('42' AS text COLLATE "C");
+
+SELECT a, CAST(b AS varchar) FROM collate_test1 ORDER BY 2;
+SELECT a, CAST(b AS varchar) FROM collate_test2 ORDER BY 2;
+SELECT a, CAST(b AS varchar) FROM collate_test3 ORDER BY 2;
+
+
+-- 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;
+
+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;
+
+
+-- 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;
+
+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;
+SELECT mylt2('a', 'B' collate "C") as fail; -- conflicting collations
+SELECT mylt2('a', 'B' collate "POSIX") as f;
+
+
+-- polymorphism
+
+SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test1)) ORDER BY 1;
+SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test2)) ORDER BY 1;
+SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test3)) ORDER BY 1;
+
+CREATE FUNCTION dup (anyelement) RETURNS anyelement
+ AS 'select $1' LANGUAGE sql;
+
+SELECT a, dup(b) FROM collate_test1 ORDER BY 2;
+SELECT a, dup(b) FROM collate_test2 ORDER BY 2;
+SELECT a, dup(b) FROM collate_test3 ORDER BY 2;
+
+
+-- 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
+CREATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C")); -- fail
+
+SELECT relname, pg_get_indexdef(oid) FROM pg_class WHERE relname LIKE 'collate_test%_idx%' ORDER BY 1;
+
+
+-- 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
+CREATE COLLATION IF NOT EXISTS test0 FROM "C"; -- ok, skipped
+CREATE COLLATION IF NOT EXISTS test0 (locale = 'foo'); -- ok, skipped
+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
+CREATE COLLATION testx (locale = 'nonsense'); -- fail
+
+CREATE COLLATION test4 FROM nonsense;
+CREATE COLLATION test5 FROM test0;
+
+SELECT collname FROM pg_collation WHERE collname LIKE 'test%' ORDER BY 1;
+
+ALTER COLLATION test1 RENAME TO test11;
+ALTER COLLATION test0 RENAME TO test11; -- fail
+ALTER COLLATION test1 RENAME TO test22; -- fail
+
+ALTER COLLATION test11 OWNER TO regress_test_role;
+ALTER COLLATION test11 OWNER TO nonsense;
+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;
+
+DROP COLLATION test0, test_schema.test11, test5;
+DROP COLLATION test0; -- fail
+DROP COLLATION IF EXISTS test0;
+
+SELECT collname FROM pg_collation WHERE collname LIKE 'test%';
+
+DROP SCHEMA test_schema;
+DROP ROLE regress_test_role;
+
+
+-- ALTER
+
+ALTER COLLATION "en_US" REFRESH VERSION;
+
+-- also test for database while we are here
+SELECT current_database() AS datname \gset
+ALTER DATABASE :"datname" REFRESH COLLATION VERSION;
+
+
+-- 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
+DROP COLLATION test0 CASCADE;
+
+\d collate_dep_test1
+\d collate_dep_test2
+
+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;
+select textrange_en_us('A','Z') @> 'b'::text;
+
+drop type textrange_c;
+drop type textrange_en_us;
+
+
+-- nondeterministic collations
+-- (not supported with libc provider)
+
+CREATE COLLATION ctest_det (locale = 'en_US', deterministic = true);
+CREATE COLLATION ctest_nondet (locale = 'en_US', deterministic = false);
+
+
+-- cleanup
+SET client_min_messages TO warning;
+DROP SCHEMA collate_tests CASCADE;
sub check
{
my $schedule = shift || 'parallel';
+ my $encoding = $ENV{ENCODING} || "SQL_ASCII";
# for backwards compatibility, "serial" runs the tests in
# parallel_schedule one by one.
my $maxconn = $maxconn;
"--bindir=",
"--schedule=${schedule}_schedule",
"--max-concurrent-tests=20",
- "--encoding=SQL_ASCII",
+ "--encoding=${encoding}",
"--no-locale",
"--temp-instance=./tmp_check");
push(@args, $maxconn) if $maxconn;
projects / users / gsingh / postgres.git / commitdiff