181 lines
5.7 KiB
Plaintext
181 lines
5.7 KiB
Plaintext
#
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# Show what happens during ALTER TABLE when an existing file
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# exists in the target location.
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#
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# Bug #19218794: IF TABLESPACE EXISTS, CAN'T CREATE TABLE,
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# BUT CAN ALTER ENGINE=INNODB
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#
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CREATE TABLE t1 (a SERIAL, b CHAR(10)) ENGINE=Memory;
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INSERT INTO t1(b) VALUES('one'), ('two'), ('three');
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#
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# Create a file called MYSQLD_DATADIR/test/t1.ibd
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# Directory listing of test/*.ibd
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#
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t1.ibd
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ALTER TABLE t1 ENGINE = InnoDB;
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ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 - Tablespace already exists)
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#
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# Move the file to InnoDB as t2
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#
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ALTER TABLE t1 RENAME TO t2, ENGINE = INNODB;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
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`b` char(10) DEFAULT NULL,
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UNIQUE KEY `a` (`a`)
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) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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SELECT * from t2;
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a b
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1 one
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2 two
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3 three
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#
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# Try to rename t2 to t1 with an existing t1 in the way.
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#
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ALTER TABLE t2 RENAME TO t1;
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ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 - Tablespace already exists)
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#
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# Create another t1, but in the system tablespace.
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#
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SET GLOBAL innodb_file_per_table=OFF;
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CREATE TABLE t1 (a SERIAL, b CHAR(20)) ENGINE=InnoDB;
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INSERT INTO t1(b) VALUES('one'), ('two'), ('three');
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
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`b` char(20) DEFAULT NULL,
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UNIQUE KEY `a` (`a`)
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) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 System
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#
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# ALTER TABLE from system tablespace to system tablespace
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#
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ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=INPLACE;
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ALTER TABLE t1 ADD COLUMN d INT, ALGORITHM=COPY;
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#
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# Try to move t1 from the system tablespace to a file-per-table
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# while a blocking t1.ibd file exists.
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#
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SET GLOBAL innodb_file_per_table=ON;
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#
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# Move using TABLESPACE=innodb_file_per_table
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#
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SET GLOBAL innodb_file_per_table=OFF;
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=INPLACE;
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ERROR HY000: Tablespace 'test/t1' exists.
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=COPY;
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ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 - Tablespace already exists)
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#
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# ALTER TABLE t1 from system tablespace to general tablespace
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#
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CREATE TABLESPACE s1 ADD DATAFILE 's1.ibd';
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ALTER TABLE t1 TABLESPACE s1;
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#
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# Try to move t1 from a general tablespace to a file-per-table
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# while a blocking t1.ibd file exists.
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#
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=INPLACE;
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ERROR HY000: Tablespace 'test/t1' exists.
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=COPY;
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ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 - Tablespace already exists)
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#
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# Delete the blocking file called MYSQLD_DATADIR/test/t1.ibd
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# Move t1 to file-per-table using ALGORITHM=INPLACE with no blocking t1.ibd.
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#
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SET GLOBAL innodb_file_per_table=ON;
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ALTER TABLE t1 ADD COLUMN e INT, ALGORITHM=INPLACE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
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`b` char(20) DEFAULT NULL,
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`c` int(11) DEFAULT NULL,
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`d` int(11) DEFAULT NULL,
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`e` int(11) DEFAULT NULL,
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UNIQUE KEY `a` (`a`)
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) /*!50100 TABLESPACE `s1` */ ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 General
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SET GLOBAL innodb_file_per_table=OFF;
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#
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# Move t1 back to the system tablespace using ALGORITHM=INPLACE.
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#
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ALTER TABLE t1 TABLESPACE=innodb_system, ALGORITHM=INPLACE;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 System
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#
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# Move t1 to a general tablespace using ALGORITHM=INPLACE.
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#
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ALTER TABLE t1 TABLESPACE=s1, ALGORITHM=INPLACE;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 General
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#
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# Move t1 to a file-per-table tablespace using ALGORITHM=INPLACE.
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#
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=INPLACE;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 Single
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#
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# Move t1 to a general tablespace using ALGORITHM=COPY.
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#
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ALTER TABLE t1 TABLESPACE=s1, ALGORITHM=COPY;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 General
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#
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# Move t1 back to the system tablespace using ALGORITHM=COPY.
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#
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ALTER TABLE t1 TABLESPACE=innodb_system, ALGORITHM=COPY;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 System
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#
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# Move t1 to a file-per-table tablespace using ALGORITHM=COPY.
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#
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ALTER TABLE t1 TABLESPACE=innodb_file_per_table, ALGORITHM=COPY;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 Single
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DROP TABLE t1;
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#
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# Rename t2.ibd to t1.ibd.
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#
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ALTER TABLE t2 RENAME TO t1;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test/t1';
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name space_type
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test/t1 Single
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SELECT * from t1;
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a b
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1 one
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2 two
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3 three
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#
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# Rename this file-per-table from test.t1 to test2.t2.
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#
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CREATE DATABASE test2;
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ALTER TABLE test.t1 RENAME TO test2.t2;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test%';
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name space_type
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#
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# Also try the RENAME TABLE syntax.
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#
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CREATE DATABASE test3;
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RENAME TABLE test2.t2 TO test3.t3;
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SELECT name, space_type FROM information_schema.innodb_tables WHERE name = 'test%';
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name space_type
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#
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# Cleanup
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#
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DROP TABLE test3.t3;
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DROP TABLESPACE s1;
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DROP DATABASE test2;
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DROP DATABASE test3;
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