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# # WL#6560: InnoDB: separate tablespace for innodb-temp-tables. # --source include/have_innodb.inc # Embedded server does not support crashing --source include/not_embedded.inc # Avoid CrashReporter popup on Mac --source include/not_crashrep.inc call mtr.add_suppression("Please add another temp-data file or use 'autoextend' for the last data file"); call mtr.add_suppression("The table 't1' is full"); ################################################################################ # # Will test following scenarios: # # 1. ddl + dml operation involving temp-tablespace. # a) insert/delete/update/transacion/select # b) create index/drop index/add column/drop column # c) alter inplace/copy on temp table # 2. ddl + dml operation on temp table from 2 sessions. # a) Both session create 20 tables each of same name. # b) No error expected across session as temp tables are not be # visible across session. # c) create drop same table multiple time # 3. Temp table operation - # a) can not create temp table with partition # b) can not create/drop view on temp tables. # c) select/join on temp tables. # d) Lock/flush on tables # e) create temp table as select # 4. Temp table operation - # a) restart on existing datadir and see ibtmp1 removed on clean shutdown # ################################################################################ #----------------------------------------------------------------------------- # set global innodb_file_per_table = off; let $MYSQL_DATA_DIR = `select @@datadir`; let $MYSQL_TMP_DIR = `select @@tmpdir`; #----------------------------------------------------------------------------- # # 1. ddl + dml operation involving temp-tablespace. # a) insert/delete/update/transacion/select # b) create index/drop index/add column/drop column # c) alter inplace/copy on temp table SELECT @@global.innodb_file_per_table; --replace_column 1 NUM SELECT @mycount_SYS_DATAFILES:=COUNT(*) FROM information_schema.INNODB_SYS_DATAFILES; CREATE TEMPORARY TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; --echo # creation of shared temp-tablespace in MYSQL_DATA_DIR --list_files $MYSQL_DATA_DIR/ ibtmp1* --echo # check no entries made INNODB_SYS_DATAFILES SELECT @mycount_SYS_DATAFILES=COUNT(*) FROM information_schema.INNODB_SYS_DATAFILES; INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); # DML+TRANSACTION START TRANSACTION; INSERT INTO t1(b,c,d,e) VALUES (12.111,REPEAT('a2',50),REPEAT('a2',50), REPEAT('a2',50)); INSERT INTO t1(b,c,d,e) VALUES (13.111,REPEAT('a3',50),REPEAT('a3',50), REPEAT('a3',50)); UPDATE t1 SET e = REPEAT('ta',50); DELETE FROM t1 WHERE a = 3; SAVEPOINT A; INSERT INTO t1(b,c,d,e) VALUES (14.111,REPEAT('a4',50),REPEAT('a4',50), REPEAT('a4',50)); UPDATE t1 SET e = REPEAT('yb',50); DELETE FROM t1 WHERE a = 1; SAVEPOINT B; SELECT a,RIGHT(b,10),RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; ROLLBACK TO SAVEPOINT A; COMMIT; SELECT a,RIGHT(b,10),RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; # DDL ALTER TABLE t1 ADD COLUMN f BLOB(100), ADD INDEX `idx1` (d); SELECT a,RIGHT(b,10),RIGHT(c,10),RIGHT(d,10),RIGHT(e,10),RIGHT(f,10) FROM t1; --error 1845 ALTER TABLE t1 DROP COLUMN f, DROP INDEX `idx1` , ADD INDEX `idx2` (d), ALGORITHM=INPLACE; ALTER TABLE t1 DROP COLUMN f, DROP INDEX `idx1` , ADD INDEX `idx2` (d), ALGORITHM=COPY; SELECT a,RIGHT(b,10),RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; # drop table DROP TABLE t1; #----------------------------------------------------------------------------- # # 2. ddl + dml operation on temp table from 2 sessions. # a) Both session create 20 tables each of same name. # b) No error expected across session as temp tables are not be # visible across session. # c) create drop same table multiple time # --disable_warnings DROP TABLE IF EXISTS t1; DROP DATABASE IF EXISTS test_db; --enable_warnings # check by allowing file per table on set global innodb_file_per_table = on; SELECT @@global.innodb_file_per_table; let $counter= 2; CREATE DATABASE test_db; --echo "Create con1 client connection" connect (con1,localhost,root,,); --disable_query_log while ($counter<23) { # create table from con1 connection connection con1; USE test_db; EVAL CREATE TEMPORARY TABLE t$counter (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); START TRANSACTION; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (12.111,REPEAT('a2',50),REPEAT('a2',50), REPEAT('a2',50)); EVAL INSERT INTO t$counter(b,c,d,e) VALUES (13.111,REPEAT('a3',50),REPEAT('a3',50), REPEAT('a3',50)); EVAL UPDATE t$counter SET e = REPEAT('ta',50); EVAL DELETE FROM t$counter WHERE a = 3; SAVEPOINT A; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (14.111,REPEAT('a4',50),REPEAT('a4',50), REPEAT('a4',50)); EVAL UPDATE t$counter SET e = REPEAT('yb',50); EVAL DELETE FROM t$counter WHERE a = 1; SAVEPOINT B; ROLLBACK TO SAVEPOINT A; COMMIT; EVAL ALTER TABLE t$counter ADD COLUMN f BLOB(100), ADD INDEX `idx1` (d); EVAL ALTER TABLE t$counter DROP COLUMN f, DROP INDEX `idx1` , ADD INDEX `idx2` (d), ALGORITHM=COPY; # create same table from default connection connection default; USE test_db; EVAL CREATE TEMPORARY TABLE t$counter (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); START TRANSACTION; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (12.111,REPEAT('a2',50),REPEAT('a2',50), REPEAT('a2',50)); EVAL INSERT INTO t$counter(b,c,d,e) VALUES (13.111,REPEAT('a3',50),REPEAT('a3',50), REPEAT('a3',50)); EVAL UPDATE t$counter SET e = REPEAT('ta',50); EVAL DELETE FROM t$counter WHERE a = 3; SAVEPOINT A; EVAL INSERT INTO t$counter(b,c,d,e) VALUES (14.111,REPEAT('a4',50),REPEAT('a4',50), REPEAT('a4',50)); EVAL UPDATE t$counter SET e = REPEAT('yb',50); EVAL DELETE FROM t$counter WHERE a = 1; SAVEPOINT B; ROLLBACK TO SAVEPOINT A; COMMIT; EVAL ALTER TABLE t$counter ADD COLUMN f BLOB(100), ADD INDEX `idx1` (d); EVAL ALTER TABLE t$counter DROP COLUMN f, DROP INDEX `idx1` , ADD INDEX `idx2` (d), ALGORITHM=COPY; # create and drop same table in loop CREATE TEMPORARY TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); START TRANSACTION; INSERT INTO t1(b,c,d,e) VALUES (12.111,REPEAT('a2',50),REPEAT('a2',50), REPEAT('a2',50)); INSERT INTO t1(b,c,d,e) VALUES (13.111,REPEAT('a3',50),REPEAT('a3',50), REPEAT('a3',50)); UPDATE t1 SET e = REPEAT('ta',50); DELETE FROM t1 WHERE a = 3; SAVEPOINT A; INSERT INTO t1(b,c,d,e) VALUES (14.111,REPEAT('a4',50),REPEAT('a4',50), REPEAT('a4',50)); UPDATE t1 SET e = REPEAT('yb',50); DELETE FROM t1 WHERE a = 1; SAVEPOINT B; ROLLBACK TO SAVEPOINT A; COMMIT; ALTER TABLE t1 ADD COLUMN f BLOB(100), ADD INDEX `idx1` (d); ALTER TABLE t1 DROP COLUMN f, DROP INDEX `idx1` , ADD INDEX `idx2` (d), ALGORITHM=COPY; DROP TABLE t1; # check separate ibd file is not created --list_files $MYSQL_DATA_DIR/test_db/ *ibd --inc $counter } DROP DATABASE test_db; USE test; --enable_query_log --echo # creation of shared temp-tablespace in MYSQL_DATA_DIR --list_files $MYSQL_DATA_DIR/ ibtmp1* #----------------------------------------------------------------------------- # # 3. Temp table operation - # a) can not create temp table with partition # b) can not create/drop view on temp tables. # c) select/join on temp tables. # d) Lock/flush on tables # e) create temp table as select # --disable_warnings DROP TABLE IF EXISTS t1,t2,t3,t4; --enable_warnings # check by allowing file per table on SELECT @@global.innodb_file_per_table; USE test; CREATE TEMPORARY TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; CREATE TEMPORARY TABLE t2 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT, c BLOB(100), d VARCHAR(100),e TEXT) ENGINE=InnoDB; # Can not create temp table with partition --ERROR 1562 CREATE TEMPORARY TABLE t3 (val INT) ENGINE = InnoDB PARTITION BY LIST(val)( PARTITION mypart1 VALUES IN (1,3,5), PARTITION MyPart2 VALUES IN (2,4,6) ); INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); INSERT INTO t2(b,c,d,e) VALUES (11.111,REPEAT('t1',50),REPEAT('t1',50), REPEAT('a2',50)); INSERT INTO t2(b,c,d,e) VALUES (11.111,REPEAT('t2',50),REPEAT('t2',50), REPEAT('a2',50)); # Check with join of SELECT t1.a,t2.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c LIKE t2.c; SELECT t1.a,t2.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c NOT LIKE t2.c AND t1.a=t2.a; # you cannot create a TEMPORARY view --ERROR 1352 CREATE OR REPLACE VIEW vw1 AS SELECT * FROM t1; # Check with create temp as <select> CREATE TEMPORARY TABLE t3 AS SELECT t1.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c NOT LIKE t2.c AND t1.a=t2.a; SELECT * FROM t3; CREATE TABLE t4 AS SELECT t1.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c NOT LIKE t2.c AND t1.a=t2.a; SELECT * FROM t4; # join on temp and non temp table SELECT * FROM t3,t4 WHERE t3.a=t4.a; SELECT * FROM t3,t4 WHERE t3.a!=t4.a; #Acquire lock and flush LOCK TABLES t1 READ; SELECT t1.a,t2.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c LIKE t2.c; SELECT t1.a,t2.a,RIGHT(t1.c,10),RIGHT(t2.c,10) FROM t1,t2 WHERE t1.c NOT LIKE t2.c AND t1.a=t2.a; # delete records even type is read as lock table is ignored for temp tables DELETE FROM t1; SELECT * FROM t1; UNLOCK TABLES; LOCK TABLES t2 WRITE,t3 WRITE,t4 WRITE; DELETE FROM t2 WHERE t2.c LIKE REPEAT('t2',50); SELECT t2.a,RIGHT(t2.c,10) FROM t2; DELETE FROM t3; DELETE FROM t4; SELECT * FROM t3,t4; UNLOCK TABLES; --list_files $MYSQL_DATA_DIR/ ibtmp1* --list_files $MYSQL_DATA_DIR/test/ t4*ibd* DROP TABLE t1,t2,t3,t4; #----------------------------------------------------------------------------- # # 4. Temp table operation - # a) restart on existing datadir and see ibtmp1 removed on clean shutdown # # check by allowing file per table on SELECT @@global.innodb_file_per_table; CREATE TEMPORARY TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; CREATE TABLE t2 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; UPDATE t1 SET a = a + 5; DELETE FROM t1 WHERE a > 6; SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; INSERT INTO t2(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t2; UPDATE t2 SET a = a + 5; DELETE FROM t2 WHERE a > 6; SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t2; # --echo # shutting down the server --source include/shutdown_mysqld.inc --echo # list_file, no files expected - temp tablespace cleared on stopping server --list_files $MYSQL_DATA_DIR/ ibtmp1* # --source include/start_mysqld.inc # check temp table after restart CREATE TEMPORARY TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b FLOAT(5,3), c BLOB(100),d VARCHAR(100),e TEXT) ENGINE=InnoDB; INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); INSERT INTO t1(b,c,d,e) VALUES (11.111,REPEAT('a1',50),REPEAT('a1',50), REPEAT('a1',50)); SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; UPDATE t1 SET a = a + 5; DELETE FROM t1 WHERE a > 6; SELECT a,b,RIGHT(c,10),RIGHT(d,10),RIGHT(e,10) FROM t1; DROP TABLE t1; --source include/restart_mysqld.inc # check not temp table SHOW TABLES; DROP TABLE t2;