#
# Test the limits of a file-per-table tablespace name.  MySQL combines
# the database name with the table name to make a unique table name.
#
SET default_storage_engine=InnoDB;
#
# MySQL limits each database and tablename identifier to 64 characters
# of up to 3 bytes per character, corresponding to 192 bytes.
#
CREATE DATABASE `this_sixty_five_byte_name_is_too_long____________________________`;
ERROR 42000: Identifier name 'this_sixty_five_byte_name_is_too_long____________________________' is too long
CREATE DATABASE `this_sixty_four_byte_name_is_not_too_long_______________________`;
USE `this_sixty_four_byte_name_is_not_too_long_______________________`;
#
# A 64 character tablename can be created in a 64 character database name
#
CREATE TABLE `this_sixty_four_byte_name_is_not_too_long_______________________`.`this_sixty_four_byte_name_is_not_too_long_______________________` (a SERIAL);
#
# A 65 character tablename is too long.
#
CREATE TABLE `test`.`this_sixty_five_byte_name_is_too_long____________________________` (a SERIAL);
ERROR 42000: Identifier name 'this_sixty_five_byte_name_is_too_long____________________________' is too long
CREATE TABLE `this_sixty_four_byte_name_is_not_too_long_______________________`.`this_sixty_five_byte_name_is_too_long____________________________` (a SERIAL);
ERROR 42000: Identifier name 'this_sixty_five_byte_name_is_too_long____________________________' is too long
#
# Show the successfully created database and table
#
SHOW CREATE TABLE `this_sixty_four_byte_name_is_not_too_long_______________________`.`this_sixty_four_byte_name_is_not_too_long_______________________`;
Table	Create Table
this_sixty_four_byte_name_is_not_too_long_______________________	CREATE TABLE `this_sixty_four_byte_name_is_not_too_long_______________________` (
  `a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
---- list_files MYSQLD_DATADIR/this_sixty_four_byte_name_is_not_too_long_______________________
this_sixty_four_byte_name_is_not_too_long_______________________.ibd
SELECT name FROM information_schema.innodb_tables WHERE name LIKE '%long%';
name
this_sixty_four_byte_name_is_not_too_long_______________________/this_sixty_four_byte_name_is_not_too_long_______________________
SELECT name FROM information_schema.innodb_tablespaces WHERE name LIKE '%long%';
name
this_sixty_four_byte_name_is_not_too_long_______________________/this_sixty_four_byte_name_is_not_too_long_______________________
SELECT path FROM information_schema.innodb_datafiles WHERE path LIKE '%long%';
PATH
./this_sixty_four_byte_name_is_not_too_long_______________________/this_sixty_four_byte_name_is_not_too_long_______________________.ibd
SELECT file_name, tablespace_name FROM information_schema.files WHERE file_name LIKE '%long%';
FILE_NAME	./this_sixty_four_byte_name_is_not_too_long_______________________/this_sixty_four_byte_name_is_not_too_long_______________________.ibd
TABLESPACE_NAME	this_sixty_four_byte_name_is_not_too_long_______________________/this_sixty_four_byte_name_is_not_too_long_______________________
#
# A 64 character tablename can cause a partitioned table
# to have a path that is too long.
#
CREATE TABLE TH6EDXFX5D1U5BLB3I50LN5DFO415JIRP9XKUC0H9O2IONKQL3IOMFYW4ZVOCFPP (a INT NOT NULL, b INT)
PARTITION BY RANGE (a) PARTITIONS 3 SUBPARTITION BY KEY (b)
(PARTITION O8W7066AGXADOMYWHT89TWMBJOMTFDMDC74WJ7IUPKD75LVU1ENOV1J008SJBKKF VALUES LESS THAN (200)
(SUBPARTITION YWKQ987ZTKDJ33ZBMLW526153X86VXL4X44R15SPF8JQS92665MT0QI6BSNKAZY5,
SUBPARTITION OSYA45V7KKPJ840E4CZ7CKFXDT3J1NNM8QTT9BQOF896CAZVWFY4K236VHYD1WXN,
SUBPARTITION M6YGLCVSKPSVF1RYZA4XJNP7HP9P7OKBP0268T2HKJ0005BW3LLSALQJ94UE5ZSV),
PARTITION F3HRUC798U6YIBQFSC9BDKOAUH2SD6B0A3IA7J4P2V8M5U84AAVCR27NNQGM8NI3 VALUES LESS THAN (600)
(SUBPARTITION YKWIEPEMRMG097FJ0D8WBJC9TF93GW7GVSU8H0MXYSX940JYO0RNVR4W7YYEZDSF,
SUBPARTITION WDJZ36D1IMDRB4ZABLZXWE7J00OP1WR028V1PREZN46PK9L3Y3ERVTWKXYTMC08W,
SUBPARTITION KRR0PI4ZBU50X4YVWKDA65PFYRNB69EV5LMM3CMBUVUEIHN2MPY30O8J8WEOOG2Q),
PARTITION UYZ1675BEXI942ED7EUYLK03GM90QG3ZGYBLBKGLNWVYNVYUZ70J78BJWYLGS6CV VALUES LESS THAN (1800)
(SUBPARTITION XIYZDGAOHPZH1R6RTKURMSUENS8VIN1U1CL7T2594FWR1ELS55UDVDWVX65K3WPE,
SUBPARTITION J64S0S338J2AV273XIHW1QHFRK9ZVLSIGSXFF4E22RYCLAG2J3H04PN6M70OB39Y,
SUBPARTITION XRL60IN1WNLR4YQAIILJTB9XCDP7Z4CUXRCY9Y2ES55W6UQERG51QV1UYTMZW673));
ERROR HY000: Long database name and identifier for object resulted in a path length too long for table 'th6edxfx5d1u5blb3i50ln5dfo415jirp9xkuc0h9o2ionkql3iomfyw4zvocfpp'. Please check the path limit for your OS.
#
# Cleanup
#
USE test;
DROP DATABASE `this_sixty_four_byte_name_is_not_too_long_______________________`;