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96 lines
3.4 KiB
Text
96 lines
3.4 KiB
Text
#--disable_abort_on_error
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#
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# Test for the partition storage engine which require DEBUG_SYNC feature to
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# Created by Mattias Jonsson
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#
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--source include/have_partition.inc
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--source include/have_debug_sync.inc
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--source include/have_debug.inc
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--source include/have_innodb.inc
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SET DEBUG_SYNC= 'RESET';
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--echo #
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--echo # Bug#42438: Crash ha_partition::change_table_ptr
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--echo # Test when remove partitioning is done while drop table is waiting
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--echo # for the table.
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--echo # After MDL was introduced, there is no longer any race, so test is done
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--echo # by adding a small sleep to verify that the delete waits. This happens
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--echo # only until ALTER tries to upgrade its MDL lock, which ends up in MDL
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--echo # deadlock which is correctly reported.
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connect(con1, localhost, root,,);
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SET DEBUG_SYNC= 'RESET';
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CREATE TABLE t1
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(a INTEGER,
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b INTEGER NOT NULL,
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KEY (b))
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ENGINE = MYISAM
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/*!50100 PARTITION BY RANGE (a)
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(PARTITION p0 VALUES LESS THAN (2),
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PARTITION p1 VALUES LESS THAN (20),
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PARTITION p2 VALUES LESS THAN (100),
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PARTITION p3 VALUES LESS THAN MAXVALUE ) */;
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SET DEBUG_SYNC= 'alter_table_before_create_table_no_lock SIGNAL removing_partitioning WAIT_FOR waiting_for_alter';
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SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL waiting_for_upgrade';
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--send ALTER TABLE t1 REMOVE PARTITIONING
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connection default;
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SET DEBUG_SYNC= 'now WAIT_FOR removing_partitioning';
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SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL waiting_for_alter';
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SET DEBUG_SYNC= 'rm_table_no_locks_before_delete_table WAIT_FOR waiting_for_upgrade';
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DROP TABLE IF EXISTS t1;
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connection con1;
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--error ER_LOCK_DEADLOCK
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--reap
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connection default;
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SET DEBUG_SYNC= 'RESET';
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connection con1;
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SET DEBUG_SYNC= 'RESET';
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--echo #
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--echo # Bug#42438: Crash ha_partition::change_table_ptr
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--echo # Test when remove partitioning is failing due to drop table is already
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--echo # in progress.
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--echo # After MDL was introduced, there is no longer any race, so test is done
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--echo # by adding a small sleep to verify that the alter waits.
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CREATE TABLE t2
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(a INTEGER,
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b INTEGER NOT NULL,
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KEY (b))
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ENGINE = MYISAM
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PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (2),
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PARTITION p1 VALUES LESS THAN (20),
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PARTITION p2 VALUES LESS THAN (100),
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PARTITION p3 VALUES LESS THAN MAXVALUE);
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SET DEBUG_SYNC= 'alter_table_before_open_tables SIGNAL removing_partitions WAIT_FOR waiting_for_alter';
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SET DEBUG_SYNC= 'alter_table_before_rename_result_table WAIT_FOR delete_done';
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--send ALTER TABLE t2 REMOVE PARTITIONING
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connection default;
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SET DEBUG_SYNC= 'now WAIT_FOR removing_partitions';
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SET DEBUG_SYNC= 'rm_table_no_locks_before_delete_table SIGNAL waiting_for_alter WAIT_FOR mtr_continue';
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SET DEBUG_SYNC= 'rm_table_no_locks_before_binlog SIGNAL delete_done';
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--send DROP TABLE IF EXISTS t2
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--echo # Create a new connection thread to orchestrate the ALTER and DROP
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--echo # threads' DEBUG_SYNC points to avoid lost signals
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connect(con2,localhost,root,,);
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let $wait_condition= select count(*)=0 from information_schema.processlist where state like "debug sync point: alter_table_before_open_tables";
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source include/wait_condition.inc;
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SET DEBUG_SYNC= 'now SIGNAL mtr_continue';
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# Return execution for DROP TABLE
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connection default;
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--reap
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# Return execution for ALTER TABLE
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connection con1;
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--error ER_NO_SUCH_TABLE
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--reap
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SET DEBUG_SYNC= 'RESET';
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disconnect con1;
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--source include/wait_until_disconnected.inc
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connection default;
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SET DEBUG_SYNC= 'RESET';
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--echo End of 5.1 tests
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