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163 lines
6.4 KiB
Plaintext
163 lines
6.4 KiB
Plaintext
--echo #
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--echo # Test the limits of a file-per-table tablespace name. MySQL combines
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--echo # the database name with the table name to make a unique table name.
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--echo #
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--source include/have_innodb.inc
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--source include/not_windows.inc
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# This will test the limit of a filename in MySQL at 512 bytes.
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# We control that by making it a relative path starting with "./".
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# The embedded server uses an absolute path as the datadir
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# which has a non-deterministic length.
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--source include/not_embedded.inc
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SET default_storage_engine=InnoDB;
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LET $MYSQLD_DATADIR = `select @@datadir`;
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--echo #
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--echo # MySQL limits each database and tablename identifier to 64 characters
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--echo # of up to 3 bytes per character, corresponding to 192 bytes.
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--echo #
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LET $too_long_name = this_sixty_five_byte_name_is_too_long____________________________;
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--error ER_WRONG_DB_NAME
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--eval CREATE DATABASE `$too_long_name`
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LET $long_name = this_sixty_four_byte_name_is_not_too_long_______________________;
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--eval CREATE DATABASE `$long_name`
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--eval USE `$long_name`
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--echo #
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--echo # A 64 character tablename can be created in a 64 character database name
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--echo #
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--eval CREATE TABLE `$long_name`.`$long_name` (a SERIAL)
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--echo #
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--echo # A 65 character tablename is too long.
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--echo #
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--error ER_WRONG_TABLE_NAME
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--eval CREATE TABLE `test`.`$too_long_name` (a SERIAL)
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--error ER_WRONG_TABLE_NAME
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--eval CREATE TABLE `$long_name`.`$too_long_name` (a SERIAL)
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--echo #
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--echo # Non-non-filename-safe characters like '#' are expanded to '@0023'.
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--echo # On many file systems, such as Linux extfs, you can create a database name
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--echo # that expands to up to 255 bytes long.
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--echo # `##################################################_long` is expanded to
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--echo # (50 * 5) + 5 = 255.
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--echo #
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LET $long_db_name = ##################################################_long;
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--eval CREATE DATABASE `$long_db_name`;
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--eval USE `$long_db_name`
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--echo #
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--echo # This 256-byte name is only one byte longer but fails with an error code
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--echo # from the stat operation.
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--echo # `##################################################_long_` is expanded to
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--echo # (50 * 5) + 6 = 256.
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--echo #
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--replace_regex /Errcode: [0-9]+/Errcode: ##/ /@0023/#/
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--error 13
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CREATE DATABASE `##################################################_long_`;
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--echo #
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--echo # This 300-byte name which is the longest name that gets an error code
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--echo # from the stat operation.
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--echo # `###########################################################_long` is expanded to
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--echo # (59 * 5) + 5 = 300.
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--echo #
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--replace_regex /Errcode: [0-9]+/Errcode: ##/ /@0023/#/
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--error 13
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CREATE DATABASE `###########################################################_long`;
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--echo #
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--echo # This 301-byte name which is only one byte longer but fails with ER_TOO_LONG_IDENT.
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--echo # `###########################################################_long_` is expanded to
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--echo # (59 * 5) + 6 = 301.
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--echo #
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--replace_result @0023 #
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--error ER_WRONG_DB_NAME
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CREATE DATABASE `###########################################################_long_`;
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USE test;
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LET $long_249_byte_table_name = #################################################long;
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LET $long_250_byte_table_name = #################################################_long;
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LET $long_251_byte_table_name = #################################################_long_;
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LET $long_252_byte_table_name = #################################################_long___;
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--echo #
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--echo # An expanded table name is limited to 251 bytes
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--echo #
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--eval CREATE TABLE `test`.`$long_251_byte_table_name` (a SERIAL)
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--echo #
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--echo # A 252-byte tablename is too long
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--echo #
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--replace_regex /errno: [0-9]+/errno: ##/ /@0023/#/
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--error ER_CANT_CREATE_TABLE
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--eval CREATE TABLE `test`.`$long_252_byte_table_name` (a SERIAL)
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CREATE DATABASE twenty_byte_db_name_;
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USE `twenty_byte_db_name_`;
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--echo #
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--echo # A 251 byte expanded table name will fit with a longer database name
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--echo #
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--eval CREATE TABLE `twenty_byte_db_name_`.`$long_251_byte_table_name` (a SERIAL)
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--echo #
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--echo # A 252 byte expanded table name is also too long in a longer database name
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--echo #
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--replace_regex /errno: [0-9]+/errno: ##/ /@0023/#/
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--error ER_CANT_CREATE_TABLE
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--eval CREATE TABLE `twenty_byte_db_name_`.`$long_252_byte_table_name` (a SERIAL)
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--echo #
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--echo # Another limitation is a 512 byte length to an expanded path that includes
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--echo # the datadir which is './' in this test, the expanded database name,
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--echo # the directory separator '/', the expanded table name, and the file extension.
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--echo # './long_db_name.long_250_byte_table_name.frm'
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--echo # 2+ 255 +1+ 250 +1+3 = 512
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--echo #
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--eval CREATE TABLE `$long_db_name`.`$long_250_byte_table_name` (a SERIAL)
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--error ER_IDENT_CAUSES_TOO_LONG_PATH
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--eval CREATE TABLE `$long_db_name`.`$long_251_byte_table_name` (a SERIAL)
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SHOW WARNINGS;
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--echo #
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--echo # Show the successfully created databases and tables
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--echo #
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--echo ---- list_files MYSQLD_DATADIR/test
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--replace_result @0023 #
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--list_files $MYSQLD_DATADIR/test
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--echo ---- list_files MYSQLD_DATADIR/$long_name
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--replace_result @0023 #
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--list_files $MYSQLD_DATADIR/$long_name
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--echo ---- list_files MYSQLD_DATADIR/$long_db_name
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--replace_result @0023 #
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--list_files $MYSQLD_DATADIR/@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023@0023_long
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--replace_result @0023 #
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SELECT name FROM information_schema.innodb_sys_tables WHERE name LIKE '%long%';
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--replace_result @0023 #
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SELECT name FROM information_schema.innodb_sys_tablespaces WHERE name LIKE '%long%';
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--vertical_results
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--replace_regex /innodb_file_per_table_[0-9]*/innodb_file_per_table_##/
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--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR @0023 #
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SELECT file_name, tablespace_name FROM information_schema.files WHERE file_name LIKE '%long%';
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--horizontal_results
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--echo #
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--echo # Cleanup
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--echo #
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--eval DROP TABLE `$long_name`.`$long_name`
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--eval DROP TABLE `test`.`$long_251_byte_table_name`
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--eval DROP TABLE `twenty_byte_db_name_`.`$long_251_byte_table_name`
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--eval DROP TABLE `$long_db_name`.`$long_250_byte_table_name`
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--eval DROP DATABASE `$long_name`
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--eval DROP DATABASE `$long_db_name`
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DROP DATABASE `twenty_byte_db_name_`;
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