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MDEV-20912 Add support for utf8mb4_0900_* collations in MariaDB Server

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Fixing a wrong alias utf8mb4_0900_bin:
- was utf8mb4_bin
- changed to utf8mb4_nopad_bin

MySQL 0900 collations are NOPAD, including utf8mb4_0900_bin.
This commit is contained in:
Alexander Barkov
2025-03-24 18:54:45 +04:00
parent 02893e875b
commit 3bbe11acd9
3 changed files with 32 additions and 4 deletions
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15
mysql-test/main/ctype_utf8mb4_0900.result
View File

@@ -91,7 +91,7 @@ utf8mb4_hu_0900_as_cs utf8mb4 297 Yes 8 Alias for utf8mb4_uca1400_hungarian_nop
utf8mb4_hr_0900_as_cs utf8mb4 298 Yes 8 Alias for utf8mb4_uca1400_croatian_nopad_as_cs
utf8mb4_vi_0900_as_cs utf8mb4 300 Yes 8 Alias for utf8mb4_uca1400_vietnamese_nopad_as_cs
utf8mb4_0900_as_ci utf8mb4 305 Yes 8 Alias for utf8mb4_uca1400_nopad_as_ci
utf8mb4_0900_bin utf8mb4 309 Yes 1 Alias for utf8mb4_bin
utf8mb4_0900_bin utf8mb4 309 Yes 1 Alias for utf8mb4_nopad_bin
#
# MDEV-20912 Add support for utf8mb4_0900_* collations in MariaDB Server
#
@@ -198,3 +198,16 @@ drop table t1,t2;
CREATE OR REPLACE TABLE t1 (p int primary key auto_increment, a VARCHAR(10), key (a)) engine=aria, COLLATE utf8mb4_sv_0900_ai_ci;
alter table t1 modify a varchar(10) collate utf8mb4_uca1400_swedish_nopad_ai_ci, algorithm=nocopy;
drop table t1;
#
# MDEV-36361 Wrong utf8mb4_0900_bin alias for utf8mb4_bin (should be utf8mb4_nopad_bin)
#
SELECT collation_name, id, comment
FROM information_schema.collations
WHERE collation_name='utf8mb4_0900_bin';
collation_name id comment
utf8mb4_0900_bin 309 Alias for utf8mb4_nopad_bin
SET NAMES utf8mb4 COLLATE utf8mb4_0900_bin;
SELECT 'a\t'<'a' AS c1;
c1
0
# End of 11.4 tests

13
mysql-test/main/ctype_utf8mb4_0900.test
View File

@@ -83,3 +83,16 @@ drop table t1,t2;
CREATE OR REPLACE TABLE t1 (p int primary key auto_increment, a VARCHAR(10), key (a)) engine=aria, COLLATE utf8mb4_sv_0900_ai_ci;
alter table t1 modify a varchar(10) collate utf8mb4_uca1400_swedish_nopad_ai_ci, algorithm=nocopy;
drop table t1;
--echo #
--echo # MDEV-36361 Wrong utf8mb4_0900_bin alias for utf8mb4_bin (should be utf8mb4_nopad_bin)
--echo #
SELECT collation_name, id, comment
FROM information_schema.collations
WHERE collation_name='utf8mb4_0900_bin';
SET NAMES utf8mb4 COLLATE utf8mb4_0900_bin;
SELECT 'a\t'<'a' AS c1;
--echo # End of 11.4 tests

8
strings/ctype-uca.c
View File

@@ -39646,8 +39646,9 @@ struct mysql_0900_to_mariadb_1400_mapping mysql_0900_mapping[]=
};
static LEX_CSTRING mysql_utf8_bin= { STRING_WITH_LEN("utf8mb4_0900_bin") };
static LEX_CSTRING mariadb_utf8_bin= { STRING_WITH_LEN("utf8mb4_bin") };
static LEX_CSTRING
mysql_utf8mb4_0900_bin= {STRING_WITH_LEN("utf8mb4_0900_bin")},
mariadb_utf8mb4_nopad_bin= {STRING_WITH_LEN("utf8mb4_nopad_bin")};
/*
Map mysql character sets to MariaDB using the same definition but with
@@ -39691,7 +39692,8 @@ my_bool mysql_utf8mb4_0900_collation_definitions_add()
}
}
if (add_alias_for_collation(&mariadb_utf8_bin, 46, &mysql_utf8_bin, 309))
if (add_alias_for_collation(&mariadb_utf8mb4_nopad_bin, 1070,
&mysql_utf8mb4_0900_bin, 309))
return 1;
return 0;
}