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MDEV-35854: Simplify dict_get_referenced_table()

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innodb_convert_name(): Convert a schema or table name to
my_charset_filename compatible format.

dict_table_lookup(): Replaces dict_get_referenced_table().
Make the callers responsible for invoking innodb_convert_name().

innobase_casedn_str(): Remove. Let us invoke my_casedn_str() directly.

dict_table_rename_in_cache(): Do not duplicate a call to
dict_mem_foreign_table_name_lookup_set().

innobase_convert_to_filename_charset(): Defined static in the only
compilation unit that needs it.

dict_scan_id(): Remove the constant parameters
table_id=FALSE, accept_also_dot=TRUE. Invoke strconvert() directly.

innobase_convert_from_id(): Remove; only called from dict_scan_id().

innobase_convert_from_table_id(): Remove (dead code).

table_name_t::dblen(), table_name_t::basename(): In non-debug builds,
tolerate names that may miss a '/' separator.

Reviewed by: Debarun Banerjee
This commit is contained in:
Marko Mäkelä
2025-01-23 14:38:08 +02:00
parent fa74c1a40f
commit d4da659b43
11 changed files with 245 additions and 324 deletions
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24
mysql-test/suite/innodb/r/foreign_key.result
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@@ -1118,5 +1118,29 @@ test.binaries check status OK
test.collections check status OK
disconnect con1;
DROP TABLE binaries, collections;
CREATE SCHEMA `#mysql50##mysql50#d-b`;
CREATE TABLE `#mysql50##mysql50#d-b`.t1 (a INT PRIMARY KEY, b INT UNIQUE) engine=InnoDB;
USE `#mysql50##mysql50#d-b`;
CREATE TABLE t2 (a INT PRIMARY KEY, b INT UNIQUE REFERENCES t1(b)) ENGINE=InnoDB;
SET STATEMENT foreign_key_checks=0 FOR
ALTER TABLE t2 ADD FOREIGN KEY (a) REFERENCES t1(a);
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
UNIQUE KEY `b` (`b`),
CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`),
CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 SET a=1;
INSERT INTO t2 SET a=1;
DELETE FROM t1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`#mysql50#d-b`.`t2`, CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`a`) REFERENCES `t1` (`a`))
DELETE FROM t2;
DELETE FROM t1;
DROP DATABASE `#mysql50##mysql50#d-b`;
USE test;
# End of 10.6 tests
SET GLOBAL innodb_stats_persistent = @save_stats_persistent;