config root man

--echo #
--echo # Test the limits of a file-per-table tablespace name.  MySQL combines
--echo # the database name with the table name to make a unique table name.
--echo #

--source include/have_innodb.inc
--source include/not_windows.inc
# This will test the limit of a filename in MySQL at 512 bytes.
# We control that by making it a relative path starting with "./".
# The embedded server uses an absolute path as the datadir
# which has a non-deterministic length.
--source include/not_embedded.inc

SET default_storage_engine=InnoDB;
LET $MYSQLD_DATADIR = `select @@datadir`;

--echo #
--echo # MySQL limits each database and tablename identifier to 64 characters
--echo # of up to 3 bytes per character, corresponding to 192 bytes.
--echo #
LET $too_long_name  = this_sixty_five_byte_name_is_too_long____________________________;
--error ER_TOO_LONG_IDENT
--eval CREATE DATABASE `$too_long_name`

LET $long_name      = this_sixty_four_byte_name_is_not_too_long_______________________;
--eval CREATE DATABASE `$long_name`
--eval USE `$long_name`

--echo #
--echo # A 64 character tablename can be created in a 64 character database name
--echo #
--eval CREATE TABLE `$long_name`.`$long_name` (a SERIAL)

--echo #
--echo # A 65 character tablename is too long.
--echo #
--error ER_TOO_LONG_IDENT
--eval CREATE TABLE `test`.`$too_long_name` (a SERIAL)
--error ER_TOO_LONG_IDENT
--eval CREATE TABLE `$long_name`.`$too_long_name` (a SERIAL)

--echo #
--echo # Non-non-filename-safe characters like '#' are expanded to '@0023'.
--echo # On many file systems, such as Linux extfs, you can create a database name
--echo # that expands to up to 255 bytes long.
--echo # `##################################################_long` is expanded to
--echo #                        (50 * 5) +                     5  = 255.
--echo #
LET $long_db_name = ##################################################_long;
--eval CREATE DATABASE `$long_db_name`;
--eval USE `$long_db_name`

--echo #
--echo # This 256-byte name is only one byte longer but fails with an error code
--echo # from the stat operation.
--echo # `##################################################_long_` is expanded to
--echo #                        (50 * 5) +                    6  = 256.
--echo #
--replace_regex /Errcode: [0-9]+/Errcode: ##/  /@0023/#/
--error 13
CREATE DATABASE `##################################################_long_`;

--echo #
--echo # This 300-byte name which is the longest name that gets an error code
--echo # from the stat operation.
--echo # `###########################################################_long` is expanded to
--echo #                        (59 * 5) +                             5  = 300.
--echo #
--replace_regex /Errcode: [0-9]+/Errcode: ##/  /@0023/#/
--error 13
CREATE DATABASE `###########################################################_long`;

--echo #
--echo # This 301-byte name which is only one byte longer but fails with ER_TOO_LONG_IDENT.
--echo # `###########################################################_long_` is expanded to
--echo #                        (59 * 5) +                             6  = 301.
--echo #
--replace_result @0023 #
--error ER_TOO_LONG_IDENT
CREATE DATABASE `###########################################################_long_`;

USE test;

LET $long_249_byte_table_name = #################################################long;
LET $long_250_byte_table_name = #################################################_long;
LET $long_251_byte_table_name = #################################################_long_;
LET $long_252_byte_table_name = #################################################_long___;

--echo #
--echo # An expanded table name is limited to 251 bytes
--echo #
--eval CREATE TABLE `test`.`$long_251_byte_table_name` (a SERIAL)

--echo #
--echo # A 252-byte tablename is too long
--echo #
--replace_regex /errno: [0-9]+/errno: ##/  /@0023/#/
--error ER_CANT_CREATE_TABLE
--eval CREATE TABLE `test`.`$long_252_byte_table_name` (a SERIAL)

CREATE DATABASE twenty_byte_db_name_;
USE `twenty_byte_db_name_`;

--echo #
--echo # A 251 byte expanded table name will fit with a longer database name
--echo #
--eval CREATE TABLE `twenty_byte_db_name_`.`$long_251_byte_table_name` (a SERIAL)

--echo #
--echo # A 252 byte expanded table name is also too long in a longer database name
--echo #
--replace_regex /errno: [0-9]+/errno: ##/  /@0023/#/
--error ER_CANT_CREATE_TABLE
--eval CREATE TABLE `twenty_byte_db_name_`.`$long_252_byte_table_name` (a SERIAL)

--echo #
--echo # Another limitation is a 512 byte length to an expanded path that includes
--echo # the datadir which is './' in this test, the expanded database name,
--echo # the directory separator '/', the expanded table name, and the file extension.
--echo # './long_db_name.long_250_byte_table_name.frm'
--echo #  2+    255    +1+       250            +1+3  = 512
--echo #
--eval CREATE TABLE `$long_db_name`.`$long_250_byte_table_name` (a SERIAL)

--error ER_IDENT_CAUSES_TOO_LONG_PATH
--eval CREATE TABLE `$long_db_name`.`$long_251_byte_table_name` (a SERIAL)
SHOW WARNINGS;

--echo #
--echo # Show the successfully created databases and tables
--echo #
--echo ---- list_files MYSQLD_DATADIR/test
--replace_result @0023 #
--list_files $MYSQLD_DATADIR/test
--echo ---- list_files MYSQLD_DATADIR/$long_name
--replace_result @0023 #
--list_files $MYSQLD_DATADIR/$long_name
--echo ---- list_files MYSQLD_DATADIR/$long_db_name
--replace_result @0023 #
--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

--replace_result @0023 #
SELECT name FROM information_schema.innodb_sys_tables WHERE name LIKE '%long%';
--replace_result @0023 #
SELECT name FROM information_schema.innodb_sys_tablespaces WHERE name LIKE '%long%';
--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR  @0023 #
SELECT path FROM information_schema.innodb_sys_datafiles WHERE path LIKE '%long%';
--vertical_results
--replace_regex /innodb_file_per_table_[0-9]*/innodb_file_per_table_##/
--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR  @0023 #
SELECT file_name, tablespace_name FROM information_schema.files WHERE file_name LIKE '%long%';
--horizontal_results

--echo #
--echo # Cleanup
--echo #

--eval DROP TABLE `$long_name`.`$long_name`
--eval DROP TABLE `test`.`$long_251_byte_table_name`
--eval DROP TABLE `twenty_byte_db_name_`.`$long_251_byte_table_name`
--eval DROP TABLE `$long_db_name`.`$long_250_byte_table_name`
--eval DROP DATABASE `$long_name`
--eval DROP DATABASE `$long_db_name`
DROP DATABASE `twenty_byte_db_name_`;