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422f3204ef
dict_table_rename_in_cache(), dict_table_get_highest_foreign_id(): Reserve sufficient space for the fkid[] buffer, and ensure that the fkid[] will be NUL-terminated. The fkid[] must accommodate both the database name (which is already encoded in my_charset_filename) and the constraint name (which must be converted to my_charset_filename) so that we can check if it is in the format databasename/tablename_ibfk_1 (all encoded in my_charset_filename).
78 lines
2.8 KiB
Plaintext
78 lines
2.8 KiB
Plaintext
--source include/have_innodb.inc
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# On Microsoft Windows, there is an additional limit of MAX_PATH
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--source include/not_windows.inc
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# The embedded server prepends --datadir or --innodb-data-home-dir
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# to the path names, which reduces the maximum length of names further.
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--source include/not_embedded.inc
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--echo #
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--echo # MDEV-28980 InnoDB: Failing assertion: len <= MAX_TABLE_NAME_LEN
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--echo #
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# The main test is innodb.foreign_key. This is an additional test that
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# the maximum length cannot be exceeded for implicitly created
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# constraint names. On Microsoft Windows, MAX_PATH is a much stricter
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# limit than the 255-byte maximum path component length on many other systems,
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# including Linux and IBM AIX.
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CREATE TABLE t (a INT PRIMARY KEY) ENGINE=InnoDB;
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# The maximum identifier length is 64 characters.
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# my_charset_filename will expand some characters to 5 characters,
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# e.g., # to @0023.
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# Many operating systems (such as Linux) or file systems
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# limit the path component length to 255 bytes,
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# corresponding to the 51 characters below: 5*51=255.
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let $d255=###################################################;
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let $d250=##################################################;
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--replace_result $d255 d255
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eval CREATE DATABASE `$d255`;
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--replace_result $d255 d255
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--error ER_IDENT_CAUSES_TOO_LONG_PATH
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eval CREATE TABLE `$d255`.`$d255`
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(a INT PRIMARY KEY, FOREIGN KEY(a) REFERENCES test.t(a)) ENGINE=InnoDB;
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--replace_result $d255 d255
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--error ER_IDENT_CAUSES_TOO_LONG_PATH
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eval CREATE TABLE `$d255`.`_$d250`
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(a INT PRIMARY KEY, FOREIGN KEY(a) REFERENCES test.t(a)) ENGINE=InnoDB;
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--replace_result $d255 d255
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eval CREATE TABLE `$d255`.`$d250`
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(a INT PRIMARY KEY, FOREIGN KEY(a) REFERENCES test.t(a)) ENGINE=InnoDB;
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--echo #
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--echo # MDEV-29258 Failing assertion for name length on RENAME TABLE
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--echo #
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let $d245=-------------------------------------------------;
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--replace_result $d245 d245 $d255 d255
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eval CREATE TABLE `$d255`.`$d245` (x INT) ENGINE=InnoDB;
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--replace_result $d250 d250 $d255 d255
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eval DROP TABLE `$d255`.`$d250`;
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--replace_result $d245 d245 $d250 d250 d255 d255
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eval RENAME TABLE `$d255`.`$d245` TO `$d255`.`$d250`;
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--replace_result $d250 d250 $d255 d255
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eval RENAME TABLE `$d255`.`$d250` TO a;
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--replace_result $d255 d255
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DROP TABLE a,t;
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--echo #
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--echo # MDEV-29409 Buffer overflow in my_wc_mb_filename() on RENAME TABLE
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--echo #
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let $d225=#############################################;
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let $d320=################################################################;
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--replace_result $d255 d255
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eval CREATE TABLE `$d255`.t(a INT PRIMARY KEY)ENGINE=InnoDB;
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--replace_result $d255 d255 $d320 d320
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eval CREATE TABLE `$d255`.u(a INT PRIMARY KEY,
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CONSTRAINT `$d320` FOREIGN KEY (a) REFERENCES `$d255`.t (a)) ENGINE=InnoDB;
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--replace_result $d255 d255
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eval RENAME TABLE `$d255`.u TO u;
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DROP TABLE u;
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--replace_result $d255 d255
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eval DROP DATABASE `$d255`;
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--echo # End of 10.3 tests
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