diff options
Diffstat (limited to 'src/test/regress/expected/collate.out')
| -rw-r--r-- | src/test/regress/expected/collate.out | 729 |
1 files changed, 729 insertions, 0 deletions
diff --git a/src/test/regress/expected/collate.out b/src/test/regress/expected/collate.out new file mode 100644 index 0000000..0b60b55 --- /dev/null +++ b/src/test/regress/expected/collate.out @@ -0,0 +1,729 @@ +/* + * This test is intended to pass on all platforms supported by Postgres. + * We can therefore only assume that the default, C, and POSIX collations + * are available --- and since the regression tests are often run in a + * C-locale database, these may well all have the same behavior. But + * fortunately, the system doesn't know that and will treat them as + * incompatible collations. It is therefore at least possible to test + * parser behaviors such as collation conflict resolution. This test will, + * however, be more revealing when run in a database with non-C locale, + * since any departure from C sorting behavior will show as a failure. + */ +CREATE SCHEMA collate_tests; +SET search_path = collate_tests; +CREATE TABLE collate_test1 ( + a int, + b text COLLATE "C" NOT NULL +); +\d collate_test1 + Table "collate_tests.collate_test1" + Column | Type | Collation | Nullable | Default +--------+---------+-----------+----------+--------- + a | integer | | | + b | text | C | not null | + +CREATE TABLE collate_test_fail ( + a int COLLATE "C", + b text +); +ERROR: collations are not supported by type integer +LINE 2: a int COLLATE "C", + ^ +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 | C | not null | + +CREATE TABLE collate_test2 ( + a int, + b text COLLATE "POSIX" +); +INSERT INTO collate_test1 VALUES (1, 'abc'), (2, 'Abc'), (3, 'bbc'), (4, 'ABD'); +INSERT INTO collate_test2 SELECT * FROM collate_test1; +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'abc'; + a | b +---+----- + 1 | abc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b >= 'abc' COLLATE "C"; + a | b +---+----- + 1 | abc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'abc' COLLATE "C"; + a | b +---+----- + 1 | abc + 3 | bbc +(2 rows) + +SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "POSIX"; -- fail +ERROR: collation mismatch between explicit collations "C" and "POSIX" +LINE 1: ...* FROM collate_test1 WHERE b COLLATE "C" >= 'bbc' COLLATE "P... + ^ +CREATE DOMAIN testdomain_p AS text COLLATE "POSIX"; +CREATE DOMAIN testdomain_i AS int COLLATE "POSIX"; -- fail +ERROR: collations are not supported by type integer +CREATE TABLE collate_test4 ( + a int, + b testdomain_p +); +INSERT INTO collate_test4 SELECT * FROM collate_test1; +SELECT a, b FROM collate_test4 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +CREATE TABLE collate_test5 ( + a int, + b testdomain_p COLLATE "C" +); +INSERT INTO collate_test5 SELECT * FROM collate_test1; +SELECT a, b FROM collate_test5 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test1 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test2 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C"; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +-- star expansion +SELECT * FROM collate_test1 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT * FROM collate_test2 ORDER BY b; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +-- constant expression folding +SELECT 'bbc' COLLATE "C" > 'Abc' COLLATE "C" AS "true"; + true +------ + t +(1 row) + +SELECT 'bbc' COLLATE "POSIX" < 'Abc' COLLATE "POSIX" AS "false"; + false +------- + f +(1 row) + +-- upper/lower +CREATE TABLE collate_test10 ( + a int, + x text COLLATE "C", + y text COLLATE "POSIX" +); +INSERT INTO collate_test10 VALUES (1, 'hij', 'hij'), (2, 'HIJ', 'HIJ'); +SELECT a, lower(x), lower(y), upper(x), upper(y), initcap(x), initcap(y) FROM collate_test10; + a | lower | lower | upper | upper | initcap | initcap +---+-------+-------+-------+-------+---------+--------- + 1 | hij | hij | HIJ | HIJ | Hij | Hij + 2 | hij | hij | HIJ | HIJ | Hij | Hij +(2 rows) + +SELECT a, lower(x COLLATE "C"), lower(y COLLATE "C") FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hij +(2 rows) + +SELECT a, x, y FROM collate_test10 ORDER BY lower(y), a; + a | x | y +---+-----+----- + 1 | hij | hij + 2 | HIJ | HIJ +(2 rows) + +-- backwards parsing +CREATE VIEW collview1 AS SELECT * FROM collate_test1 WHERE b COLLATE "C" >= 'bbc'; +CREATE VIEW collview2 AS SELECT a, b FROM collate_test1 ORDER BY b COLLATE "C"; +CREATE VIEW collview3 AS SELECT a, lower((x || x) COLLATE "POSIX") FROM collate_test10; +SELECT table_name, view_definition FROM information_schema.views + WHERE table_name LIKE 'collview%' ORDER BY 1; + table_name | view_definition +------------+------------------------------------------------------------------------------ + collview1 | SELECT collate_test1.a, + + | collate_test1.b + + | FROM collate_test1 + + | WHERE ((collate_test1.b COLLATE "C") >= 'bbc'::text); + collview2 | SELECT collate_test1.a, + + | collate_test1.b + + | FROM collate_test1 + + | ORDER BY (collate_test1.b COLLATE "C"); + collview3 | SELECT collate_test10.a, + + | lower(((collate_test10.x || collate_test10.x) COLLATE "POSIX")) AS lower+ + | FROM collate_test10; +(3 rows) + +-- collation propagation in various expression types +SELECT a, coalesce(b, 'foo') FROM collate_test1 ORDER BY 2; + a | coalesce +---+---------- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, coalesce(b, 'foo') FROM collate_test2 ORDER BY 2; + a | coalesce +---+---------- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, lower(coalesce(x, 'foo')), lower(coalesce(y, 'foo')) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hij +(2 rows) + +SELECT a, b, greatest(b, 'CCC') FROM collate_test1 ORDER BY 3; + a | b | greatest +---+-----+---------- + 2 | Abc | CCC + 4 | ABD | CCC + 1 | abc | abc + 3 | bbc | bbc +(4 rows) + +SELECT a, b, greatest(b, 'CCC') FROM collate_test2 ORDER BY 3; + a | b | greatest +---+-----+---------- + 2 | Abc | CCC + 4 | ABD | CCC + 1 | abc | abc + 3 | bbc | bbc +(4 rows) + +SELECT a, x, y, lower(greatest(x, 'foo')), lower(greatest(y, 'foo')) FROM collate_test10; + a | x | y | lower | lower +---+-----+-----+-------+------- + 1 | hij | hij | hij | hij + 2 | HIJ | HIJ | foo | foo +(2 rows) + +SELECT a, nullif(b, 'abc') FROM collate_test1 ORDER BY 2; + a | nullif +---+-------- + 4 | ABD + 2 | Abc + 3 | bbc + 1 | +(4 rows) + +SELECT a, nullif(b, 'abc') FROM collate_test2 ORDER BY 2; + a | nullif +---+-------- + 4 | ABD + 2 | Abc + 3 | bbc + 1 | +(4 rows) + +SELECT a, lower(nullif(x, 'foo')), lower(nullif(y, 'foo')) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hij +(2 rows) + +SELECT a, CASE b WHEN 'abc' THEN 'abcd' ELSE b END FROM collate_test1 ORDER BY 2; + a | b +---+------ + 4 | ABD + 2 | Abc + 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 | ABD + 2 | Abc + 1 | abcd + 3 | bbc +(4 rows) + +CREATE DOMAIN testdomain AS text; +SELECT a, b::testdomain FROM collate_test1 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b::testdomain FROM collate_test2 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b::testdomain_p FROM collate_test2 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, lower(x::testdomain), lower(y::testdomain) FROM collate_test10; + a | lower | lower +---+-------+------- + 1 | hij | hij + 2 | hij | hij +(2 rows) + +SELECT min(b), max(b) FROM collate_test1; + min | max +-----+----- + ABD | bbc +(1 row) + +SELECT min(b), max(b) FROM collate_test2; + min | max +-----+----- + ABD | bbc +(1 row) + +SELECT array_agg(b ORDER BY b) FROM collate_test1; + array_agg +------------------- + {ABD,Abc,abc,bbc} +(1 row) + +SELECT array_agg(b ORDER BY b) FROM collate_test2; + array_agg +------------------- + {ABD,Abc,abc,bbc} +(1 row) + +-- In aggregates, ORDER BY expressions don't affect aggregate's collation +SELECT string_agg(x COLLATE "C", y COLLATE "POSIX") FROM collate_test10; -- fail +ERROR: collation mismatch between explicit collations "C" and "POSIX" +LINE 1: SELECT string_agg(x COLLATE "C", y COLLATE "POSIX") FROM col... + ^ +SELECT array_agg(x COLLATE "C" ORDER BY y COLLATE "POSIX") FROM collate_test10; + array_agg +----------- + {HIJ,hij} +(1 row) + +SELECT array_agg(a ORDER BY x COLLATE "C", y COLLATE "POSIX") FROM collate_test10; + array_agg +----------- + {2,1} +(1 row) + +SELECT array_agg(a ORDER BY x||y) FROM collate_test10; -- fail +ERROR: collation mismatch between implicit collations "C" and "POSIX" +LINE 1: SELECT array_agg(a ORDER BY x||y) FROM collate_test10; + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test1 ORDER BY 2; + a | b +---+----- + 4 | ABD + 4 | ABD + 2 | Abc + 2 | Abc + 1 | abc + 1 | abc + 3 | bbc + 3 | bbc +(8 rows) + +SELECT a, b FROM collate_test2 UNION SELECT a, b FROM collate_test2 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test2 WHERE a < 4 INTERSECT SELECT a, b FROM collate_test2 WHERE a > 1 ORDER BY 2; + a | b +---+----- + 2 | Abc + 3 | bbc +(2 rows) + +SELECT a, b FROM collate_test2 EXCEPT SELECT a, b FROM collate_test2 WHERE a < 2 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 3 | bbc +(3 rows) + +SELECT a, b FROM collate_test1 UNION ALL SELECT a, b FROM collate_test2 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_test2; -- ok + a | b +---+----- + 1 | abc + 2 | Abc + 3 | bbc + 4 | ABD + 1 | abc + 2 | Abc + 3 | bbc + 4 | ABD +(8 rows) + +SELECT a, b FROM collate_test1 UNION SELECT a, b FROM collate_test2 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "C" and "POSIX" +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_test2 ORDER BY 2; -- ok + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, b FROM collate_test1 INTERSECT SELECT a, b FROM collate_test2 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "C" and "POSIX" +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_test2 ORDER BY 2; -- fail +ERROR: collation mismatch between implicit collations "C" and "POSIX" +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_test2; -- fail +ERROR: no collation was derived for column "b" with collatable type text +HINT: Use the COLLATE clause to set the collation explicitly. +-- ideally this would be a parse-time error, but for now it must be run-time: +select x < y from collate_test10; -- fail +ERROR: could not determine which collation to use for string comparison +HINT: Use the COLLATE clause to set the collation explicitly. +select x || y from collate_test10; -- ok, because || is not collation aware + ?column? +---------- + hijhij + HIJHIJ +(2 rows) + +select x, y from collate_test10 order by x || y; -- not so ok +ERROR: collation mismatch between implicit collations "C" and "POSIX" +LINE 1: select x, y from collate_test10 order by x || y; + ^ +HINT: You can choose the collation by applying the COLLATE clause to one or both expressions. +-- collation mismatch between recursive and non-recursive term +WITH RECURSIVE foo(x) AS + (SELECT x FROM (VALUES('a' COLLATE "C"),('b')) t(x) + UNION ALL + SELECT (x || 'c') COLLATE "POSIX" FROM foo WHERE length(x) < 10) +SELECT * FROM foo; +ERROR: recursive query "foo" column 1 has collation "C" in non-recursive term but collation "POSIX" overall +LINE 2: (SELECT x FROM (VALUES('a' COLLATE "C"),('b')) t(x) + ^ +HINT: Use the COLLATE clause to set the collation of the non-recursive term. +SELECT a, b, a < b as lt FROM + (VALUES ('a', 'B'), ('A', 'b' COLLATE "C")) v(a,b); + a | b | lt +---+---+---- + a | B | f + A | b | t +(2 rows) + +-- collation mismatch in subselects +SELECT * FROM collate_test10 WHERE (x, y) NOT IN (SELECT y, x FROM collate_test10); +ERROR: could not determine which collation to use for string hashing +HINT: Use the COLLATE clause to set the collation explicitly. +-- now it works with overrides +SELECT * FROM collate_test10 WHERE (x COLLATE "POSIX", y COLLATE "C") NOT IN (SELECT y, x FROM collate_test10); + a | x | y +---+---+--- +(0 rows) + +SELECT * FROM collate_test10 WHERE (x, y) NOT IN (SELECT y COLLATE "C", x COLLATE "POSIX" FROM collate_test10); + a | x | y +---+---+--- +(0 rows) + +-- 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 +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, CAST(b AS varchar) FROM collate_test2 ORDER BY 2; + a | b +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +-- result of a SQL function +CREATE FUNCTION vc (text) RETURNS text LANGUAGE sql + AS 'select $1::varchar'; +SELECT a, b FROM collate_test1 ORDER BY a, vc(b); + a | b +---+----- + 1 | abc + 2 | Abc + 3 | bbc + 4 | ABD +(4 rows) + +-- polymorphism +SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test1)) ORDER BY 1; + unnest +-------- + ABD + Abc + abc + bbc +(4 rows) + +SELECT * FROM unnest((SELECT array_agg(b ORDER BY b) FROM collate_test2)) ORDER BY 1; + unnest +-------- + ABD + Abc + abc + bbc +(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 +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +SELECT a, dup(b) FROM collate_test2 ORDER BY 2; + a | dup +---+----- + 4 | ABD + 2 | Abc + 1 | abc + 3 | bbc +(4 rows) + +-- indexes +CREATE INDEX collate_test1_idx1 ON collate_test1 (b); +CREATE INDEX collate_test1_idx2 ON collate_test1 (b COLLATE "POSIX"); +CREATE INDEX collate_test1_idx3 ON collate_test1 ((b COLLATE "POSIX")); -- 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 "POSIX"); -- fail +ERROR: collations are not supported by type integer +CREATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "POSIX")); -- fail +ERROR: collations are not supported by type integer +LINE 1: ...ATE INDEX collate_test1_idx6 ON collate_test1 ((a COLLATE "P... + ^ +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 "POSIX") + collate_test1_idx3 | CREATE INDEX collate_test1_idx3 ON collate_tests.collate_test1 USING btree (b COLLATE "POSIX") + collate_test1_idx4 | CREATE INDEX collate_test1_idx4 ON collate_tests.collate_test1 USING btree (((b || 'foo'::text)) COLLATE "POSIX") +(4 rows) + +-- foreign keys +-- force indexes and mergejoins to be used for FK checking queries, +-- else they might not exercise collation-dependent operators +SET enable_seqscan TO 0; +SET enable_hashjoin TO 0; +SET enable_nestloop TO 0; +CREATE TABLE collate_test20 (f1 text COLLATE "C" PRIMARY KEY); +INSERT INTO collate_test20 VALUES ('foo'), ('bar'); +CREATE TABLE collate_test21 (f2 text COLLATE "POSIX" REFERENCES collate_test20); +INSERT INTO collate_test21 VALUES ('foo'), ('bar'); +INSERT INTO collate_test21 VALUES ('baz'); -- fail +ERROR: insert or update on table "collate_test21" violates foreign key constraint "collate_test21_f2_fkey" +DETAIL: Key (f2)=(baz) is not present in table "collate_test20". +CREATE TABLE collate_test22 (f2 text COLLATE "POSIX"); +INSERT INTO collate_test22 VALUES ('foo'), ('bar'), ('baz'); +ALTER TABLE collate_test22 ADD FOREIGN KEY (f2) REFERENCES collate_test20; -- fail +ERROR: insert or update on table "collate_test22" violates foreign key constraint "collate_test22_f2_fkey" +DETAIL: Key (f2)=(baz) is not present in table "collate_test20". +DELETE FROM collate_test22 WHERE f2 = 'baz'; +ALTER TABLE collate_test22 ADD FOREIGN KEY (f2) REFERENCES collate_test20; +RESET enable_seqscan; +RESET enable_hashjoin; +RESET enable_nestloop; +-- EXPLAIN +EXPLAIN (COSTS OFF) + SELECT * FROM collate_test10 ORDER BY x, y; + QUERY PLAN +---------------------------------------------- + Sort + Sort Key: x COLLATE "C", y COLLATE "POSIX" + -> Seq Scan on collate_test10 +(3 rows) + +EXPLAIN (COSTS OFF) + SELECT * FROM collate_test10 ORDER BY x DESC, y COLLATE "C" ASC NULLS FIRST; + QUERY PLAN +----------------------------------------------------------- + Sort + Sort Key: x COLLATE "C" DESC, y COLLATE "C" NULLS FIRST + -> Seq Scan on collate_test10 +(3 rows) + +-- CREATE/DROP COLLATION +CREATE COLLATION mycoll1 FROM "C"; +CREATE COLLATION mycoll2 ( LC_COLLATE = "POSIX", LC_CTYPE = "POSIX" ); +CREATE COLLATION mycoll3 FROM "default"; -- intentionally unsupported +ERROR: collation "default" cannot be copied +DROP COLLATION mycoll1; +CREATE TABLE collate_test23 (f1 text collate mycoll2); +DROP COLLATION mycoll2; -- fail +ERROR: cannot drop collation mycoll2 because other objects depend on it +DETAIL: column f1 of table collate_test23 depends on collation mycoll2 +HINT: Use DROP ... CASCADE to drop the dependent objects too. +-- invalid: non-lowercase quoted identifiers +CREATE COLLATION case_coll ("Lc_Collate" = "POSIX", "Lc_Ctype" = "POSIX"); +ERROR: collation attribute "Lc_Collate" not recognized +LINE 1: CREATE COLLATION case_coll ("Lc_Collate" = "POSIX", "Lc_Ctyp... + ^ +-- 9.1 bug with useless COLLATE in an expression subject to length coercion +CREATE TEMP TABLE vctable (f1 varchar(25)); +INSERT INTO vctable VALUES ('foo' COLLATE "C"); +SELECT collation for ('foo'); -- unknown type - null + pg_collation_for +------------------ + +(1 row) + +SELECT collation for ('foo'::text); + pg_collation_for +------------------ + "default" +(1 row) + +SELECT collation for ((SELECT a FROM collate_test1 LIMIT 1)); -- non-collatable type - error +ERROR: collations are not supported by type integer +SELECT collation for ((SELECT b FROM collate_test1 LIMIT 1)); + pg_collation_for +------------------ + "C" +(1 row) + +-- old bug with not dropping COLLATE when coercing to non-collatable type +CREATE VIEW collate_on_int AS +SELECT c1+1 AS c1p FROM + (SELECT ('4' COLLATE "C")::INT AS c1) ss; +\d+ collate_on_int + View "collate_tests.collate_on_int" + Column | Type | Collation | Nullable | Default | Storage | Description +--------+---------+-----------+----------+---------+---------+------------- + c1p | integer | | | | plain | +View definition: + SELECT ss.c1 + 1 AS c1p + FROM ( SELECT 4 AS c1) ss; + +-- +-- Clean up. Many of these table names will be re-used if the user is +-- trying to run any platform-specific collation tests later, so we +-- must get rid of them. +-- +DROP SCHEMA collate_tests CASCADE; +NOTICE: drop cascades to 19 other objects +DETAIL: drop cascades to table collate_test1 +drop cascades to table collate_test_like +drop cascades to table collate_test2 +drop cascades to type testdomain_p +drop cascades to table collate_test4 +drop cascades to table collate_test5 +drop cascades to table collate_test10 +drop cascades to view collview1 +drop cascades to view collview2 +drop cascades to view collview3 +drop cascades to type testdomain +drop cascades to function vc(text) +drop cascades to function dup(anyelement) +drop cascades to table collate_test20 +drop cascades to table collate_test21 +drop cascades to table collate_test22 +drop cascades to collation mycoll2 +drop cascades to table collate_test23 +drop cascades to view collate_on_int |