860 lines
34 KiB
PL/PgSQL
860 lines
34 KiB
PL/PgSQL
/*
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* This test is for ICU collations.
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*/
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/* skip test if not UTF8 server encoding or no ICU collations installed */
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SELECT getdatabaseencoding() <> 'UTF8' OR
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(SELECT count(*) FROM pg_collation WHERE collprovider = 'i') = 0
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AS skip_test \gset
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\if :skip_test
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\quit
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\endif
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SET client_encoding TO UTF8;
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CREATE SCHEMA collate_tests;
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SET search_path = collate_tests;
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CREATE TABLE collate_test1 (
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a int,
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b text COLLATE "en-x-icu" NOT NULL
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);
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\d collate_test1
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CREATE TABLE collate_test_fail (
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a int,
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b text COLLATE "ja_JP.eucjp-x-icu"
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);
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CREATE TABLE collate_test_fail (
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a int,
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b text COLLATE "foo-x-icu"
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);
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CREATE TABLE collate_test_fail (
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a int COLLATE "en-x-icu",
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b text
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);
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CREATE TABLE collate_test_like (
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LIKE collate_test1
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);
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\d collate_test_like
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CREATE TABLE collate_test2 (
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a int,
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b text COLLATE "sv-x-icu"
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);
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CREATE TABLE collate_test3 (
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a int,
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b text COLLATE "C"
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);
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INSERT INTO collate_test1 VALUES (1, 'abc'), (2, 'äbc'), (3, 'bbc'), (4, 'ABC');
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INSERT INTO collate_test2 SELECT * FROM collate_test1;
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INSERT INTO collate_test3 SELECT * FROM collate_test1;
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SELECT * FROM collate_test1 WHERE b >= 'bbc';
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SELECT * FROM collate_test2 WHERE b >= 'bbc';
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SELECT * FROM collate_test3 WHERE b >= 'bbc';
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SELECT * FROM collate_test3 WHERE b >= 'BBC';
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SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc';
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SELECT * FROM collate_test1 WHERE b >= 'bbc' COLLATE "C";
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SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "C";
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SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "en-x-icu";
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CREATE DOMAIN testdomain_sv AS text COLLATE "sv-x-icu";
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CREATE DOMAIN testdomain_i AS int COLLATE "sv-x-icu"; -- fails
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CREATE TABLE collate_test4 (
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a int,
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b testdomain_sv
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);
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INSERT INTO collate_test4 SELECT * FROM collate_test1;
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SELECT a, b FROM collate_test4 ORDER BY b;
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CREATE TABLE collate_test5 (
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a int,
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b testdomain_sv COLLATE "en-x-icu"
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);
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INSERT INTO collate_test5 SELECT * FROM collate_test1;
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SELECT a, b FROM collate_test5 ORDER BY b;
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SELECT a, b FROM collate_test1 ORDER BY b;
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SELECT a, b FROM collate_test2 ORDER BY b;
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SELECT a, b FROM collate_test3 ORDER BY b;
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SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C";
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-- star expansion
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SELECT * FROM collate_test1 ORDER BY b;
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SELECT * FROM collate_test2 ORDER BY b;
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SELECT * FROM collate_test3 ORDER BY b;
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-- constant expression folding
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SELECT 'bbc' COLLATE "en-x-icu" > 'äbc' COLLATE "en-x-icu" AS "true";
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SELECT 'bbc' COLLATE "sv-x-icu" > 'äbc' COLLATE "sv-x-icu" AS "false";
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-- upper/lower
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CREATE TABLE collate_test10 (
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a int,
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x text COLLATE "en-x-icu",
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y text COLLATE "tr-x-icu"
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);
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INSERT INTO collate_test10 VALUES (1, 'hij', 'hij'), (2, 'HIJ', 'HIJ');
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SELECT a, lower(x), lower(y), upper(x), upper(y), initcap(x), initcap(y) FROM collate_test10;
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SELECT a, lower(x COLLATE "C"), lower(y COLLATE "C") FROM collate_test10;
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SELECT a, x, y FROM collate_test10 ORDER BY lower(y), a;
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-- LIKE/ILIKE
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SELECT * FROM collate_test1 WHERE b LIKE 'abc';
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SELECT * FROM collate_test1 WHERE b LIKE 'abc%';
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SELECT * FROM collate_test1 WHERE b LIKE '%bc%';
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SELECT * FROM collate_test1 WHERE b ILIKE 'abc';
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SELECT * FROM collate_test1 WHERE b ILIKE 'abc%';
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SELECT * FROM collate_test1 WHERE b ILIKE '%bc%';
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SELECT 'Türkiye' COLLATE "en-x-icu" ILIKE '%KI%' AS "true";
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SELECT 'Türkiye' COLLATE "tr-x-icu" ILIKE '%KI%' AS "false";
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SELECT 'bıt' ILIKE 'BIT' COLLATE "en-x-icu" AS "false";
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SELECT 'bıt' ILIKE 'BIT' COLLATE "tr-x-icu" AS "true";
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-- The following actually exercises the selectivity estimation for ILIKE.
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SELECT relname FROM pg_class WHERE relname ILIKE 'abc%';
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-- regular expressions
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SELECT * FROM collate_test1 WHERE b ~ '^abc$';
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SELECT * FROM collate_test1 WHERE b ~ '^abc';
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SELECT * FROM collate_test1 WHERE b ~ 'bc';
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SELECT * FROM collate_test1 WHERE b ~* '^abc$';
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SELECT * FROM collate_test1 WHERE b ~* '^abc';
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SELECT * FROM collate_test1 WHERE b ~* 'bc';
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CREATE TABLE collate_test6 (
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a int,
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b text COLLATE "en-x-icu"
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);
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INSERT INTO collate_test6 VALUES (1, 'abc'), (2, 'ABC'), (3, '123'), (4, 'ab1'),
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(5, 'a1!'), (6, 'a c'), (7, '!.;'), (8, ' '),
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(9, 'äbç'), (10, 'ÄBÇ');
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SELECT b,
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b ~ '^[[:alpha:]]+$' AS is_alpha,
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b ~ '^[[:upper:]]+$' AS is_upper,
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b ~ '^[[:lower:]]+$' AS is_lower,
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b ~ '^[[:digit:]]+$' AS is_digit,
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b ~ '^[[:alnum:]]+$' AS is_alnum,
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b ~ '^[[:graph:]]+$' AS is_graph,
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b ~ '^[[:print:]]+$' AS is_print,
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b ~ '^[[:punct:]]+$' AS is_punct,
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b ~ '^[[:space:]]+$' AS is_space
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FROM collate_test6;
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SELECT 'Türkiye' COLLATE "en-x-icu" ~* 'KI' AS "true";
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SELECT 'Türkiye' COLLATE "tr-x-icu" ~* 'KI' AS "true"; -- true with ICU
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SELECT 'bıt' ~* 'BIT' COLLATE "en-x-icu" AS "false";
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SELECT 'bıt' ~* 'BIT' COLLATE "tr-x-icu" AS "false"; -- false with ICU
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-- The following actually exercises the selectivity estimation for ~*.
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SELECT relname FROM pg_class WHERE relname ~* '^abc';
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/* not run by default because it requires tr_TR system locale
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-- to_char
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SET lc_time TO 'tr_TR';
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SELECT to_char(date '2010-04-01', 'DD TMMON YYYY');
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SELECT to_char(date '2010-04-01', 'DD TMMON YYYY' COLLATE "tr-x-icu");
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*/
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-- backwards parsing
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CREATE VIEW collview1 AS SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc';
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CREATE VIEW collview2 AS SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C";
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CREATE VIEW collview3 AS SELECT a, lower((x || x) COLLATE "C") FROM collate_test10;
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SELECT table_name, view_definition FROM information_schema.views
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WHERE table_name LIKE 'collview%' ORDER BY 1;
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-- collation propagation in various expression types
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SELECT a, coalesce(b, 'foo') FROM collate_test1 ORDER BY 2;
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SELECT a, coalesce(b, 'foo') FROM collate_test2 ORDER BY 2;
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SELECT a, coalesce(b, 'foo') FROM collate_test3 ORDER BY 2;
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SELECT a, lower(coalesce(x, 'foo')), lower(coalesce(y, 'foo')) FROM collate_test10;
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SELECT a, b, greatest(b, 'CCC') FROM collate_test1 ORDER BY 3;
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SELECT a, b, greatest(b, 'CCC') FROM collate_test2 ORDER BY 3;
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SELECT a, b, greatest(b, 'CCC') FROM collate_test3 ORDER BY 3;
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SELECT a, x, y, lower(greatest(x, 'foo')), lower(greatest(y, 'foo')) FROM collate_test10;
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SELECT a, nullif(b, 'abc') FROM collate_test1 ORDER BY 2;
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SELECT a, nullif(b, 'abc') FROM collate_test2 ORDER BY 2;
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SELECT a, nullif(b, 'abc') FROM collate_test3 ORDER BY 2;
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SELECT a, lower(nullif(x, 'foo')), lower(nullif(y, 'foo')) FROM collate_test10;
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SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test1 ORDER BY 2;
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SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test2 ORDER BY 2;
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SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test3 ORDER BY 2;
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CREATE DOMAIN testdomain AS text;
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SELECT a, b::testdomain FROM collate_test1 ORDER BY 2;
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SELECT a, b::testdomain FROM collate_test2 ORDER BY 2;
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SELECT a, b::testdomain FROM collate_test3 ORDER BY 2;
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SELECT a, b::testdomain_sv FROM collate_test3 ORDER BY 2;
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SELECT a, lower(x::testdomain), lower(y::testdomain) FROM collate_test10;
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SELECT min(b), max(b) FROM collate_test1;
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SELECT min(b), max(b) FROM collate_test2;
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SELECT min(b), max(b) FROM collate_test3;
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SELECT array_agg(b ORDER BY b) FROM collate_test1;
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SELECT array_agg(b ORDER BY b) FROM collate_test2;
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SELECT array_agg(b ORDER BY b) FROM collate_test3;
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SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test1 ORDER BY 2;
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SELECT a, b FROM collate_test2 UNION SELECT a, b FROM collate_test2 ORDER BY 2;
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SELECT a, b FROM collate_test3 WHERE a < 4 INTERSECT SELECT a, b FROM collate_test3 WHERE a > 1 ORDER BY 2;
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SELECT a, b FROM collate_test3 EXCEPT SELECT a, b FROM collate_test3 WHERE a < 2 ORDER BY 2;
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SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
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SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- ok
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SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
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SELECT a, b COLLATE "C" FROM collate_test1 UNION SELECT a, b FROM collate_test3 ORDER BY 2; -- ok
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SELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
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SELECT a, b FROM collate_test1 EXCEPT SELECT a, b FROM collate_test3 ORDER BY 2; -- fail
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CREATE TABLE test_u AS SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test3; -- fail
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-- ideally this would be a parse-time error, but for now it must be run-time:
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select x < y from collate_test10; -- fail
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select x || y from collate_test10; -- ok, because || is not collation aware
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select x, y from collate_test10 order by x || y; -- not so ok
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-- collation mismatch between recursive and non-recursive term
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WITH RECURSIVE foo(x) AS
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(SELECT x FROM (VALUES('a' COLLATE "en-x-icu"),('b')) t(x)
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UNION ALL
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SELECT (x || 'c') COLLATE "de-x-icu" FROM foo WHERE length(x) < 10)
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SELECT * FROM foo;
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-- casting
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SELECT CAST('42' AS text COLLATE "C");
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SELECT a, CAST(b AS varchar) FROM collate_test1 ORDER BY 2;
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SELECT a, CAST(b AS varchar) FROM collate_test2 ORDER BY 2;
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SELECT a, CAST(b AS varchar) FROM collate_test3 ORDER BY 2;
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-- propagation of collation in SQL functions (inlined and non-inlined cases)
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-- and plpgsql functions too
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CREATE FUNCTION mylt (text, text) RETURNS boolean LANGUAGE sql
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AS $$ select $1 < $2 $$;
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CREATE FUNCTION mylt_noninline (text, text) RETURNS boolean LANGUAGE sql
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AS $$ select $1 < $2 limit 1 $$;
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CREATE FUNCTION mylt_plpgsql (text, text) RETURNS boolean LANGUAGE plpgsql
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AS $$ begin return $1 < $2; end $$;
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SELECT a.b AS a, b.b AS b, a.b < b.b AS lt,
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mylt(a.b, b.b), mylt_noninline(a.b, b.b), mylt_plpgsql(a.b, b.b)
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FROM collate_test1 a, collate_test1 b
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ORDER BY a.b, b.b;
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SELECT a.b AS a, b.b AS b, a.b < b.b COLLATE "C" AS lt,
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mylt(a.b, b.b COLLATE "C"), mylt_noninline(a.b, b.b COLLATE "C"),
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mylt_plpgsql(a.b, b.b COLLATE "C")
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FROM collate_test1 a, collate_test1 b
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ORDER BY a.b, b.b;
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-- collation override in plpgsql
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CREATE FUNCTION mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$
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declare
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xx text := x;
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yy text := y;
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begin
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return xx < yy;
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end
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$$;
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SELECT mylt2('a', 'B' collate "en-x-icu") as t, mylt2('a', 'B' collate "C") as f;
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CREATE OR REPLACE FUNCTION
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mylt2 (x text, y text) RETURNS boolean LANGUAGE plpgsql AS $$
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declare
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xx text COLLATE "POSIX" := x;
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yy text := y;
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begin
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return xx < yy;
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end
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$$;
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SELECT mylt2('a', 'B') as f;
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SELECT mylt2('a', 'B' collate "C") as fail; -- conflicting collations
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SELECT mylt2('a', 'B' collate "POSIX") as f;
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-- polymorphism
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SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test1)) ORDER BY 1;
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SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test2)) ORDER BY 1;
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SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test3)) ORDER BY 1;
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CREATE FUNCTION dup (anyelement) RETURNS anyelement
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AS 'select $1' LANGUAGE sql;
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SELECT a, dup(b) FROM collate_test1 ORDER BY 2;
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SELECT a, dup(b) FROM collate_test2 ORDER BY 2;
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SELECT a, dup(b) FROM collate_test3 ORDER BY 2;
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-- indexes
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CREATE INDEX collate_test1_idx1 ON collate_test1 (b);
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CREATE INDEX collate_test1_idx2 ON collate_test1 (b COLLATE "C");
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CREATE INDEX collate_test1_idx3 ON collate_test1 ((b COLLATE "C")); -- this is different grammatically
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CREATE INDEX collate_test1_idx4 ON collate_test1 (((b||'foo') COLLATE "POSIX"));
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CREATE INDEX collate_test1_idx5 ON collate_test1 (a COLLATE "C"); -- fail
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CREATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "C")); -- fail
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SELECT relname, pg_get_indexdef(oid) FROM pg_class WHERE relname LIKE 'collate_test%_idx%' ORDER BY 1;
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set enable_seqscan = off;
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explain (costs off)
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select * from collate_test1 where b ilike 'abc';
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select * from collate_test1 where b ilike 'abc';
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explain (costs off)
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select * from collate_test1 where b ilike 'ABC';
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select * from collate_test1 where b ilike 'ABC';
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reset enable_seqscan;
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-- schema manipulation commands
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CREATE ROLE regress_test_role;
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CREATE SCHEMA test_schema;
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-- We need to do this this way to cope with varying names for encodings:
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do $$
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BEGIN
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EXECUTE 'CREATE COLLATION test0 (provider = icu, locale = ' ||
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quote_literal(current_setting('lc_collate')) || ');';
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END
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$$;
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CREATE COLLATION test0 FROM "C"; -- fail, duplicate name
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do $$
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BEGIN
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EXECUTE 'CREATE COLLATION test1 (provider = icu, lc_collate = ' ||
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quote_literal(current_setting('lc_collate')) ||
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', lc_ctype = ' ||
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quote_literal(current_setting('lc_ctype')) || ');';
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END
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$$;
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CREATE COLLATION test3 (provider = icu, lc_collate = 'en_US.utf8'); -- fail, need lc_ctype
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CREATE COLLATION testx (provider = icu, locale = 'nonsense'); /* never fails with ICU */ DROP COLLATION testx;
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CREATE COLLATION test4 FROM nonsense;
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CREATE COLLATION test5 FROM test0;
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SELECT collname FROM pg_collation WHERE collname LIKE 'test%' ORDER BY 1;
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ALTER COLLATION test1 RENAME TO test11;
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ALTER COLLATION test0 RENAME TO test11; -- fail
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ALTER COLLATION test1 RENAME TO test22; -- fail
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ALTER COLLATION test11 OWNER TO regress_test_role;
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ALTER COLLATION test11 OWNER TO nonsense;
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ALTER COLLATION test11 SET SCHEMA test_schema;
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COMMENT ON COLLATION test0 IS 'US English';
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SELECT collname, nspname, obj_description(pg_collation.oid, 'pg_collation')
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FROM pg_collation JOIN pg_namespace ON (collnamespace = pg_namespace.oid)
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WHERE collname LIKE 'test%'
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ORDER BY 1;
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DROP COLLATION test0, test_schema.test11, test5;
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DROP COLLATION test0; -- fail
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DROP COLLATION IF EXISTS test0;
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SELECT collname FROM pg_collation WHERE collname LIKE 'test%';
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DROP SCHEMA test_schema;
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DROP ROLE regress_test_role;
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-- dependencies
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CREATE COLLATION test0 FROM "C";
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CREATE TABLE collate_dep_test1 (a int, b text COLLATE test0);
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CREATE DOMAIN collate_dep_dom1 AS text COLLATE test0;
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CREATE TYPE collate_dep_test2 AS (x int, y text COLLATE test0);
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CREATE VIEW collate_dep_test3 AS SELECT text 'foo' COLLATE test0 AS foo;
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CREATE TABLE collate_dep_test4t (a int, b text);
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CREATE INDEX collate_dep_test4i ON collate_dep_test4t (b COLLATE test0);
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DROP COLLATION test0 RESTRICT; -- fail
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DROP COLLATION test0 CASCADE;
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\d collate_dep_test1
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\d collate_dep_test2
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DROP TABLE collate_dep_test1, collate_dep_test4t;
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DROP TYPE collate_dep_test2;
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-- test range types and collations
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create type textrange_c as range(subtype=text, collation="C");
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create type textrange_en_us as range(subtype=text, collation="en-x-icu");
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select textrange_c('A','Z') @> 'b'::text;
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select textrange_en_us('A','Z') @> 'b'::text;
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drop type textrange_c;
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drop type textrange_en_us;
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|
||
-- test ICU collation customization
|
||
|
||
-- test the attributes handled by icu_set_collation_attributes()
|
||
|
||
CREATE COLLATION testcoll_ignore_accents (provider = icu, locale = '@colStrength=primary;colCaseLevel=yes');
|
||
SELECT 'aaá' > 'AAA' COLLATE "und-x-icu", 'aaá' < 'AAA' COLLATE testcoll_ignore_accents;
|
||
|
||
CREATE COLLATION testcoll_backwards (provider = icu, locale = '@colBackwards=yes');
|
||
SELECT 'coté' < 'côte' COLLATE "und-x-icu", 'coté' > 'côte' COLLATE testcoll_backwards;
|
||
|
||
CREATE COLLATION testcoll_lower_first (provider = icu, locale = '@colCaseFirst=lower');
|
||
CREATE COLLATION testcoll_upper_first (provider = icu, locale = '@colCaseFirst=upper');
|
||
SELECT 'aaa' < 'AAA' COLLATE testcoll_lower_first, 'aaa' > 'AAA' COLLATE testcoll_upper_first;
|
||
|
||
CREATE COLLATION testcoll_shifted (provider = icu, locale = '@colAlternate=shifted');
|
||
SELECT 'de-luge' < 'deanza' COLLATE "und-x-icu", 'de-luge' > 'deanza' COLLATE testcoll_shifted;
|
||
|
||
CREATE COLLATION testcoll_numeric (provider = icu, locale = '@colNumeric=yes');
|
||
SELECT 'A-21' > 'A-123' COLLATE "und-x-icu", 'A-21' < 'A-123' COLLATE testcoll_numeric;
|
||
|
||
CREATE COLLATION testcoll_error1 (provider = icu, locale = '@colNumeric=lower');
|
||
|
||
-- test that attributes not handled by icu_set_collation_attributes()
|
||
-- (handled by ucol_open() directly) also work
|
||
CREATE COLLATION testcoll_de_phonebook (provider = icu, locale = 'de@collation=phonebook');
|
||
SELECT 'Goldmann' < 'Götz' COLLATE "de-x-icu", 'Goldmann' > 'Götz' COLLATE testcoll_de_phonebook;
|
||
|
||
|
||
-- nondeterministic collations
|
||
|
||
CREATE COLLATION ctest_det (provider = icu, locale = '', deterministic = true);
|
||
CREATE COLLATION ctest_nondet (provider = icu, locale = '', deterministic = false);
|
||
|
||
CREATE TABLE test6 (a int, b text);
|
||
-- same string in different normal forms
|
||
INSERT INTO test6 VALUES (1, U&'\00E4bc');
|
||
INSERT INTO test6 VALUES (2, U&'\0061\0308bc');
|
||
SELECT * FROM test6;
|
||
SELECT * FROM test6 WHERE b = 'äbc' COLLATE ctest_det;
|
||
SELECT * FROM test6 WHERE b = 'äbc' COLLATE ctest_nondet;
|
||
|
||
CREATE COLLATION case_sensitive (provider = icu, locale = '');
|
||
CREATE COLLATION case_insensitive (provider = icu, locale = '@colStrength=secondary', deterministic = false);
|
||
|
||
SELECT 'abc' <= 'ABC' COLLATE case_sensitive, 'abc' >= 'ABC' COLLATE case_sensitive;
|
||
SELECT 'abc' <= 'ABC' COLLATE case_insensitive, 'abc' >= 'ABC' COLLATE case_insensitive;
|
||
|
||
CREATE TABLE test1cs (x text COLLATE case_sensitive);
|
||
CREATE TABLE test2cs (x text COLLATE case_sensitive);
|
||
CREATE TABLE test3cs (x text COLLATE case_sensitive);
|
||
INSERT INTO test1cs VALUES ('abc'), ('def'), ('ghi');
|
||
INSERT INTO test2cs VALUES ('ABC'), ('ghi');
|
||
INSERT INTO test3cs VALUES ('abc'), ('ABC'), ('def'), ('ghi');
|
||
|
||
SELECT x FROM test3cs WHERE x = 'abc';
|
||
SELECT x FROM test3cs WHERE x <> 'abc';
|
||
SELECT x FROM test3cs WHERE x LIKE 'a%';
|
||
SELECT x FROM test3cs WHERE x ILIKE 'a%';
|
||
SELECT x FROM test3cs WHERE x SIMILAR TO 'a%';
|
||
SELECT x FROM test3cs WHERE x ~ 'a';
|
||
SELECT x FROM test1cs UNION SELECT x FROM test2cs ORDER BY x;
|
||
SELECT x FROM test2cs UNION SELECT x FROM test1cs ORDER BY x;
|
||
SELECT x FROM test1cs INTERSECT SELECT x FROM test2cs;
|
||
SELECT x FROM test2cs INTERSECT SELECT x FROM test1cs;
|
||
SELECT x FROM test1cs EXCEPT SELECT x FROM test2cs;
|
||
SELECT x FROM test2cs EXCEPT SELECT x FROM test1cs;
|
||
SELECT DISTINCT x FROM test3cs ORDER BY x;
|
||
SELECT count(DISTINCT x) FROM test3cs;
|
||
SELECT x, count(*) FROM test3cs GROUP BY x ORDER BY x;
|
||
SELECT x, row_number() OVER (ORDER BY x), rank() OVER (ORDER BY x) FROM test3cs ORDER BY x;
|
||
CREATE UNIQUE INDEX ON test1cs (x); -- ok
|
||
INSERT INTO test1cs VALUES ('ABC'); -- ok
|
||
CREATE UNIQUE INDEX ON test3cs (x); -- ok
|
||
SELECT string_to_array('ABC,DEF,GHI' COLLATE case_sensitive, ',', 'abc');
|
||
SELECT string_to_array('ABCDEFGHI' COLLATE case_sensitive, NULL, 'b');
|
||
|
||
CREATE TABLE test1ci (x text COLLATE case_insensitive);
|
||
CREATE TABLE test2ci (x text COLLATE case_insensitive);
|
||
CREATE TABLE test3ci (x text COLLATE case_insensitive);
|
||
CREATE INDEX ON test3ci (x text_pattern_ops); -- error
|
||
INSERT INTO test1ci VALUES ('abc'), ('def'), ('ghi');
|
||
INSERT INTO test2ci VALUES ('ABC'), ('ghi');
|
||
INSERT INTO test3ci VALUES ('abc'), ('ABC'), ('def'), ('ghi');
|
||
|
||
SELECT x FROM test3ci WHERE x = 'abc';
|
||
SELECT x FROM test3ci WHERE x <> 'abc';
|
||
SELECT x FROM test3ci WHERE x LIKE 'a%';
|
||
SELECT x FROM test3ci WHERE x ILIKE 'a%';
|
||
SELECT x FROM test3ci WHERE x SIMILAR TO 'a%';
|
||
SELECT x FROM test3ci WHERE x ~ 'a';
|
||
SELECT x FROM test1ci UNION SELECT x FROM test2ci ORDER BY x;
|
||
SELECT x FROM test2ci UNION SELECT x FROM test1ci ORDER BY x;
|
||
SELECT x FROM test1ci INTERSECT SELECT x FROM test2ci ORDER BY x;
|
||
SELECT x FROM test2ci INTERSECT SELECT x FROM test1ci ORDER BY x;
|
||
SELECT x FROM test1ci EXCEPT SELECT x FROM test2ci;
|
||
SELECT x FROM test2ci EXCEPT SELECT x FROM test1ci;
|
||
SELECT DISTINCT x FROM test3ci ORDER BY x;
|
||
SELECT count(DISTINCT x) FROM test3ci;
|
||
SELECT x, count(*) FROM test3ci GROUP BY x ORDER BY x;
|
||
SELECT x, row_number() OVER (ORDER BY x), rank() OVER (ORDER BY x) FROM test3ci ORDER BY x;
|
||
CREATE UNIQUE INDEX ON test1ci (x); -- ok
|
||
INSERT INTO test1ci VALUES ('ABC'); -- error
|
||
CREATE UNIQUE INDEX ON test3ci (x); -- error
|
||
SELECT string_to_array('ABC,DEF,GHI' COLLATE case_insensitive, ',', 'abc');
|
||
SELECT string_to_array('ABCDEFGHI' COLLATE case_insensitive, NULL, 'b');
|
||
|
||
-- bpchar
|
||
CREATE TABLE test1bpci (x char(3) COLLATE case_insensitive);
|
||
CREATE TABLE test2bpci (x char(3) COLLATE case_insensitive);
|
||
CREATE TABLE test3bpci (x char(3) COLLATE case_insensitive);
|
||
CREATE INDEX ON test3bpci (x bpchar_pattern_ops); -- error
|
||
INSERT INTO test1bpci VALUES ('abc'), ('def'), ('ghi');
|
||
INSERT INTO test2bpci VALUES ('ABC'), ('ghi');
|
||
INSERT INTO test3bpci VALUES ('abc'), ('ABC'), ('def'), ('ghi');
|
||
|
||
SELECT x FROM test3bpci WHERE x = 'abc';
|
||
SELECT x FROM test3bpci WHERE x <> 'abc';
|
||
SELECT x FROM test3bpci WHERE x LIKE 'a%';
|
||
SELECT x FROM test3bpci WHERE x ILIKE 'a%';
|
||
SELECT x FROM test3bpci WHERE x SIMILAR TO 'a%';
|
||
SELECT x FROM test3bpci WHERE x ~ 'a';
|
||
SELECT x FROM test1bpci UNION SELECT x FROM test2bpci ORDER BY x;
|
||
SELECT x FROM test2bpci UNION SELECT x FROM test1bpci ORDER BY x;
|
||
SELECT x FROM test1bpci INTERSECT SELECT x FROM test2bpci ORDER BY x;
|
||
SELECT x FROM test2bpci INTERSECT SELECT x FROM test1bpci ORDER BY x;
|
||
SELECT x FROM test1bpci EXCEPT SELECT x FROM test2bpci;
|
||
SELECT x FROM test2bpci EXCEPT SELECT x FROM test1bpci;
|
||
SELECT DISTINCT x FROM test3bpci ORDER BY x;
|
||
SELECT count(DISTINCT x) FROM test3bpci;
|
||
SELECT x, count(*) FROM test3bpci GROUP BY x ORDER BY x;
|
||
SELECT x, row_number() OVER (ORDER BY x), rank() OVER (ORDER BY x) FROM test3bpci ORDER BY x;
|
||
CREATE UNIQUE INDEX ON test1bpci (x); -- ok
|
||
INSERT INTO test1bpci VALUES ('ABC'); -- error
|
||
CREATE UNIQUE INDEX ON test3bpci (x); -- error
|
||
SELECT string_to_array('ABC,DEF,GHI'::char(11) COLLATE case_insensitive, ',', 'abc');
|
||
SELECT string_to_array('ABCDEFGHI'::char(9) COLLATE case_insensitive, NULL, 'b');
|
||
|
||
-- This tests the issue described in match_pattern_prefix(). In the
|
||
-- absence of that check, the case_insensitive tests below would
|
||
-- return no rows where they should logically return one.
|
||
CREATE TABLE test4c (x text COLLATE "C");
|
||
INSERT INTO test4c VALUES ('abc');
|
||
CREATE INDEX ON test4c (x);
|
||
SET enable_seqscan = off;
|
||
SELECT x FROM test4c WHERE x LIKE 'ABC' COLLATE case_sensitive; -- ok, no rows
|
||
SELECT x FROM test4c WHERE x LIKE 'ABC%' COLLATE case_sensitive; -- ok, no rows
|
||
SELECT x FROM test4c WHERE x LIKE 'ABC' COLLATE case_insensitive; -- error
|
||
SELECT x FROM test4c WHERE x LIKE 'ABC%' COLLATE case_insensitive; -- error
|
||
RESET enable_seqscan;
|
||
|
||
-- Unicode special case: different variants of Greek lower case sigma.
|
||
-- A naive implementation like citext that just does lower(x) =
|
||
-- lower(y) will do the wrong thing here, because lower('Σ') is 'σ'
|
||
-- but upper('ς') is 'Σ'.
|
||
SELECT 'ὀδυσσεύς' = 'ὈΔΥΣΣΕΎΣ' COLLATE case_sensitive;
|
||
SELECT 'ὀδυσσεύς' = 'ὈΔΥΣΣΕΎΣ' COLLATE case_insensitive;
|
||
|
||
-- name vs. text comparison operators
|
||
SELECT relname FROM pg_class WHERE relname = 'PG_CLASS'::text COLLATE case_insensitive;
|
||
SELECT relname FROM pg_class WHERE 'PG_CLASS'::text = relname COLLATE case_insensitive;
|
||
|
||
SELECT typname FROM pg_type WHERE typname LIKE 'int_' AND typname <> 'INT2'::text
|
||
COLLATE case_insensitive ORDER BY typname;
|
||
SELECT typname FROM pg_type WHERE typname LIKE 'int_' AND 'INT2'::text <> typname
|
||
COLLATE case_insensitive ORDER BY typname;
|
||
|
||
-- test case adapted from subselect.sql
|
||
CREATE TEMP TABLE outer_text (f1 text COLLATE case_insensitive, f2 text);
|
||
INSERT INTO outer_text VALUES ('a', 'a');
|
||
INSERT INTO outer_text VALUES ('b', 'a');
|
||
INSERT INTO outer_text VALUES ('A', NULL);
|
||
INSERT INTO outer_text VALUES ('B', NULL);
|
||
|
||
CREATE TEMP TABLE inner_text (c1 text COLLATE case_insensitive, c2 text);
|
||
INSERT INTO inner_text VALUES ('a', NULL);
|
||
|
||
SELECT * FROM outer_text WHERE (f1, f2) NOT IN (SELECT * FROM inner_text);
|
||
|
||
-- accents
|
||
CREATE COLLATION ignore_accents (provider = icu, locale = '@colStrength=primary;colCaseLevel=yes', deterministic = false);
|
||
|
||
CREATE TABLE test4 (a int, b text);
|
||
INSERT INTO test4 VALUES (1, 'cote'), (2, 'côte'), (3, 'coté'), (4, 'côté');
|
||
SELECT * FROM test4 WHERE b = 'cote';
|
||
SELECT * FROM test4 WHERE b = 'cote' COLLATE ignore_accents;
|
||
SELECT * FROM test4 WHERE b = 'Cote' COLLATE ignore_accents; -- still case-sensitive
|
||
SELECT * FROM test4 WHERE b = 'Cote' COLLATE case_insensitive;
|
||
|
||
-- foreign keys (should use collation of primary key)
|
||
|
||
-- PK is case-sensitive, FK is case-insensitive
|
||
CREATE TABLE test10pk (x text COLLATE case_sensitive PRIMARY KEY);
|
||
INSERT INTO test10pk VALUES ('abc'), ('def'), ('ghi');
|
||
CREATE TABLE test10fk (x text COLLATE case_insensitive REFERENCES test10pk (x) ON UPDATE CASCADE ON DELETE CASCADE);
|
||
INSERT INTO test10fk VALUES ('abc'); -- ok
|
||
INSERT INTO test10fk VALUES ('ABC'); -- error
|
||
INSERT INTO test10fk VALUES ('xyz'); -- error
|
||
SELECT * FROM test10pk;
|
||
SELECT * FROM test10fk;
|
||
-- restrict update even though the values are "equal" in the FK table
|
||
UPDATE test10fk SET x = 'ABC' WHERE x = 'abc'; -- error
|
||
SELECT * FROM test10fk;
|
||
DELETE FROM test10pk WHERE x = 'abc';
|
||
SELECT * FROM test10pk;
|
||
SELECT * FROM test10fk;
|
||
|
||
-- PK is case-insensitive, FK is case-sensitive
|
||
CREATE TABLE test11pk (x text COLLATE case_insensitive PRIMARY KEY);
|
||
INSERT INTO test11pk VALUES ('abc'), ('def'), ('ghi');
|
||
CREATE TABLE test11fk (x text COLLATE case_sensitive REFERENCES test11pk (x) ON UPDATE CASCADE ON DELETE CASCADE);
|
||
INSERT INTO test11fk VALUES ('abc'); -- ok
|
||
INSERT INTO test11fk VALUES ('ABC'); -- ok
|
||
INSERT INTO test11fk VALUES ('xyz'); -- error
|
||
SELECT * FROM test11pk;
|
||
SELECT * FROM test11fk;
|
||
-- cascade update even though the values are "equal" in the PK table
|
||
UPDATE test11pk SET x = 'ABC' WHERE x = 'abc';
|
||
SELECT * FROM test11fk;
|
||
DELETE FROM test11pk WHERE x = 'abc';
|
||
SELECT * FROM test11pk;
|
||
SELECT * FROM test11fk;
|
||
|
||
-- partitioning
|
||
CREATE TABLE test20 (a int, b text COLLATE case_insensitive) PARTITION BY LIST (b);
|
||
CREATE TABLE test20_1 PARTITION OF test20 FOR VALUES IN ('abc');
|
||
INSERT INTO test20 VALUES (1, 'abc');
|
||
INSERT INTO test20 VALUES (2, 'ABC');
|
||
SELECT * FROM test20_1;
|
||
|
||
CREATE TABLE test21 (a int, b text COLLATE case_insensitive) PARTITION BY RANGE (b);
|
||
CREATE TABLE test21_1 PARTITION OF test21 FOR VALUES FROM ('ABC') TO ('DEF');
|
||
INSERT INTO test21 VALUES (1, 'abc');
|
||
INSERT INTO test21 VALUES (2, 'ABC');
|
||
SELECT * FROM test21_1;
|
||
|
||
CREATE TABLE test22 (a int, b text COLLATE case_sensitive) PARTITION BY HASH (b);
|
||
CREATE TABLE test22_0 PARTITION OF test22 FOR VALUES WITH (MODULUS 2, REMAINDER 0);
|
||
CREATE TABLE test22_1 PARTITION OF test22 FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
||
INSERT INTO test22 VALUES (1, 'def');
|
||
INSERT INTO test22 VALUES (2, 'DEF');
|
||
-- they end up in different partitions
|
||
SELECT (SELECT count(*) FROM test22_0) = (SELECT count(*) FROM test22_1);
|
||
|
||
CREATE TABLE test23 (a int, b text COLLATE case_insensitive) PARTITION BY HASH (b);
|
||
CREATE TABLE test23_0 PARTITION OF test23 FOR VALUES WITH (MODULUS 2, REMAINDER 0);
|
||
CREATE TABLE test23_1 PARTITION OF test23 FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
||
INSERT INTO test23 VALUES (1, 'def');
|
||
INSERT INTO test23 VALUES (2, 'DEF');
|
||
-- they end up in the same partition (but it's platform-dependent which one)
|
||
SELECT (SELECT count(*) FROM test23_0) <> (SELECT count(*) FROM test23_1);
|
||
|
||
CREATE TABLE test30 (a int, b char(3) COLLATE case_insensitive) PARTITION BY LIST (b);
|
||
CREATE TABLE test30_1 PARTITION OF test30 FOR VALUES IN ('abc');
|
||
INSERT INTO test30 VALUES (1, 'abc');
|
||
INSERT INTO test30 VALUES (2, 'ABC');
|
||
SELECT * FROM test30_1;
|
||
|
||
CREATE TABLE test31 (a int, b char(3) COLLATE case_insensitive) PARTITION BY RANGE (b);
|
||
CREATE TABLE test31_1 PARTITION OF test31 FOR VALUES FROM ('ABC') TO ('DEF');
|
||
INSERT INTO test31 VALUES (1, 'abc');
|
||
INSERT INTO test31 VALUES (2, 'ABC');
|
||
SELECT * FROM test31_1;
|
||
|
||
CREATE TABLE test32 (a int, b char(3) COLLATE case_sensitive) PARTITION BY HASH (b);
|
||
CREATE TABLE test32_0 PARTITION OF test32 FOR VALUES WITH (MODULUS 2, REMAINDER 0);
|
||
CREATE TABLE test32_1 PARTITION OF test32 FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
||
INSERT INTO test32 VALUES (1, 'def');
|
||
INSERT INTO test32 VALUES (2, 'DEF');
|
||
-- they end up in different partitions
|
||
SELECT (SELECT count(*) FROM test32_0) = (SELECT count(*) FROM test32_1);
|
||
|
||
CREATE TABLE test33 (a int, b char(3) COLLATE case_insensitive) PARTITION BY HASH (b);
|
||
CREATE TABLE test33_0 PARTITION OF test33 FOR VALUES WITH (MODULUS 2, REMAINDER 0);
|
||
CREATE TABLE test33_1 PARTITION OF test33 FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
||
INSERT INTO test33 VALUES (1, 'def');
|
||
INSERT INTO test33 VALUES (2, 'DEF');
|
||
-- they end up in the same partition (but it's platform-dependent which one)
|
||
SELECT (SELECT count(*) FROM test33_0) <> (SELECT count(*) FROM test33_1);
|
||
|
||
-- collation versioning support
|
||
CREATE TYPE t_en_fr AS (fr text COLLATE "fr-x-icu", en text COLLATE "en-x-icu");
|
||
CREATE DOMAIN d_en_fr AS t_en_fr;
|
||
CREATE DOMAIN d_es AS text COLLATE "es-x-icu";
|
||
CREATE TYPE t_en_fr_ga AS (en_fr t_en_fr, ga text COLLATE "ga-x-icu");
|
||
CREATE DOMAIN d_en_fr_ga AS t_en_fr_ga;
|
||
CREATE TYPE t_custom AS (meh text, meh2 text);
|
||
CREATE DOMAIN d_custom AS t_custom;
|
||
|
||
CREATE COLLATION custom (
|
||
LOCALE = 'fr-x-icu', PROVIDER = 'icu'
|
||
);
|
||
|
||
CREATE TYPE myrange AS range (subtype = text);
|
||
CREATE TYPE myrange_en_fr_ga AS range(subtype = t_en_fr_ga);
|
||
|
||
CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
|
||
|
||
CREATE TABLE collate_test (
|
||
id integer,
|
||
val text COLLATE "fr-x-icu",
|
||
t_en_fr t_en_fr,
|
||
d_en_fr d_en_fr,
|
||
d_es d_es,
|
||
t_en_fr_ga t_en_fr_ga,
|
||
d_en_fr_ga d_en_fr_ga,
|
||
d_en_fr_ga_arr d_en_fr_ga[],
|
||
myrange myrange,
|
||
myrange_en_fr_ga myrange_en_fr_ga,
|
||
mood mood
|
||
);
|
||
|
||
CREATE INDEX icuidx00_val ON collate_test(val);
|
||
-- shouldn't get duplicated dependencies
|
||
CREATE INDEX icuidx00_val_val ON collate_test(val, val);
|
||
-- shouldn't track version
|
||
CREATE INDEX icuidx00_val_pattern ON collate_test(val text_pattern_ops);
|
||
-- should have single dependency, no version
|
||
CREATE INDEX icuidx00_val_pattern_val_pattern ON collate_test(val text_pattern_ops, val text_pattern_ops);
|
||
-- should have single dependency, with version
|
||
CREATE INDEX icuidx00_val_pattern_val ON collate_test(val text_pattern_ops, val);
|
||
-- should have single dependency, with version
|
||
CREATE INDEX icuidx00_val_val_pattern ON collate_test(val, val text_pattern_ops);
|
||
-- two rows expected, only one a version, because we don't try to merge these yet
|
||
CREATE INDEX icuidx00_val_pattern_where ON collate_test(val text_pattern_ops) WHERE val >= val;
|
||
-- two rows expected with version, because we don't try to merge these yet
|
||
CREATE INDEX icuidx00_val_where ON collate_test(val) WHERE val >= val;
|
||
-- two rows expected with version (expression walker + attribute)
|
||
CREATE INDEX icuidx00_val_pattern_expr ON collate_test(val varchar_pattern_ops, (val || val));
|
||
-- two rows expected, one with a version (expression walker + attribute)
|
||
CREATE INDEX icuidx00_val_pattern_expr_pattern ON collate_test(val varchar_pattern_ops, (val || val) text_pattern_ops);
|
||
-- should have single dependency, with version tracked
|
||
CREATE INDEX icuidx01_t_en_fr__d_es ON collate_test (t_en_fr, d_es);
|
||
CREATE INDEX icuidx02_d_en_fr ON collate_test (d_en_fr);
|
||
CREATE INDEX icuidx03_t_en_fr_ga ON collate_test (t_en_fr_ga);
|
||
CREATE INDEX icuidx04_d_en_fr_ga ON collate_test (d_en_fr_ga);
|
||
CREATE INDEX icuidx05_d_en_fr_ga_arr ON collate_test (d_en_fr_ga_arr);
|
||
CREATE INDEX icuidx06_d_en_fr_ga ON collate_test(id) WHERE (d_en_fr_ga).en_fr.fr = 'foo';
|
||
CREATE INDEX icuidx07_d_en_fr_ga ON collate_test(id) WHERE (d_en_fr_ga).ga = 'foo';
|
||
CREATE INDEX icuidx08_d_en_fr_ga ON collate_test(id) WHERE (t_en_fr_ga) = ('foo', 'bar', 'baz');
|
||
CREATE INDEX icuidx09_d_en_fr_ga ON collate_test(id) WHERE (d_en_fr_ga) = ('foo', 'bar', 'baz');
|
||
CREATE INDEX icuidx10_d_en_fr_ga_es ON collate_test(id) WHERE (d_en_fr_ga) = ('foo', 'bar', 'baz' COLLATE "es-x-icu");
|
||
CREATE INDEX icuidx11_d_es ON collate_test(id) WHERE (d_es) = ('foo');
|
||
CREATE INDEX icuidx12_custom ON collate_test(id) WHERE ('foo', 'bar')::d_custom = ('foo', 'bar' COLLATE custom)::d_custom;
|
||
CREATE INDEX icuidx13_custom ON collate_test(id) WHERE ('foo' COLLATE custom, 'bar')::d_custom = ('foo', 'bar')::d_custom;
|
||
CREATE INDEX icuidx14_myrange ON collate_test(myrange);
|
||
CREATE INDEX icuidx15_myrange_en_fr_ga ON collate_test USING gist (myrange_en_fr_ga);
|
||
CREATE INDEX icuidx16_mood ON collate_test(id) WHERE mood > 'ok' COLLATE "fr-x-icu";
|
||
|
||
CREATE TABLE collate_part(id integer, val text COLLATE "en-x-icu") PARTITION BY range(id);
|
||
CREATE TABLE collate_part_0 PARTITION OF collate_part FOR VALUES FROM (0) TO (1);
|
||
CREATE TABLE collate_part_1 PARTITION OF collate_part FOR VALUES FROM (1) TO (1000000);
|
||
CREATE INDEX icuidx17_part ON collate_part_1 (val);
|
||
|
||
SELECT objid::regclass::text collate "C", refobjid::regcollation::text collate "C",
|
||
CASE
|
||
WHEN refobjid = 'default'::regcollation THEN 'XXX' -- depends on libc version support
|
||
WHEN refobjversion IS NULL THEN 'version not tracked'
|
||
WHEN refobjversion = pg_collation_actual_version(refobjid) THEN 'up to date'
|
||
ELSE 'out of date'
|
||
END AS version
|
||
FROM pg_depend d
|
||
LEFT JOIN pg_class c ON c.oid = d.objid
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND coalesce(relkind, 'i') = 'i'
|
||
AND relname LIKE 'icuidx%'
|
||
ORDER BY 1, 2, 3;
|
||
|
||
-- Validate that REINDEX will update the stored version.
|
||
UPDATE pg_depend SET refobjversion = 'not a version'
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND objid::regclass::text LIKE 'icuidx%'
|
||
AND refobjversion IS NOT NULL;
|
||
|
||
REINDEX TABLE collate_test;
|
||
REINDEX TABLE collate_part_0;
|
||
REINDEX TABLE collate_part_1;
|
||
|
||
SELECT objid::regclass FROM pg_depend WHERE refobjversion = 'not a version';
|
||
|
||
-- Validate that REINDEX CONCURRENTLY will update the stored version.
|
||
UPDATE pg_depend SET refobjversion = 'not a version'
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND objid::regclass::text LIKE 'icuidx%'
|
||
AND refobjversion IS NOT NULL;
|
||
REINDEX TABLE CONCURRENTLY collate_test;
|
||
REINDEX TABLE CONCURRENTLY collate_part_0;
|
||
REINDEX INDEX CONCURRENTLY icuidx17_part;
|
||
|
||
SELECT objid::regclass FROM pg_depend WHERE refobjversion = 'not a version';
|
||
|
||
-- Validate that VACUUM FULL will update the stored version.
|
||
UPDATE pg_depend SET refobjversion = 'not a version'
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND objid::regclass::text LIKE 'icuidx%'
|
||
AND refobjversion IS NOT NULL;
|
||
VACUUM FULL collate_test;
|
||
VACUUM FULL collate_part_0;
|
||
VACUUM FULL collate_part_1;
|
||
|
||
SELECT objid::regclass FROM pg_depend WHERE refobjversion = 'not a version';
|
||
|
||
-- Test ALTER INDEX name ALTER COLLATION name REFRESH VERSION
|
||
UPDATE pg_depend SET refobjversion = 'not a version'
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND objid::regclass::text = 'icuidx17_part'
|
||
AND refobjversion IS NOT NULL;
|
||
SELECT objid::regclass FROM pg_depend WHERE refobjversion = 'not a version';
|
||
ALTER INDEX icuidx17_part ALTER COLLATION "en-x-icu" REFRESH VERSION;
|
||
SELECT objid::regclass, refobjversion = 'not a version' AS ver FROM pg_depend
|
||
WHERE refclassid = 'pg_collation'::regclass
|
||
AND objid::regclass::text = 'icuidx17_part';
|
||
|
||
-- cleanup
|
||
RESET search_path;
|
||
SET client_min_messages TO warning;
|
||
DROP SCHEMA collate_tests CASCADE;
|
||
RESET client_min_messages;
|
||
|
||
-- leave a collation for pg_upgrade test
|
||
CREATE COLLATION coll_icu_upgrade FROM "und-x-icu";
|