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0a5e4a0191
Updated tests: cases with bugs or which cannot be run with the cursor-protocol were excluded with "--disable_cursor_protocol"/"--enable_cursor_protocol" Fix for v.10.5
108 lines
3.4 KiB
Text
108 lines
3.4 KiB
Text
--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/master-slave.inc
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--connection slave
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--source include/stop_slave.inc
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# Since we inject an error updating mysql.gtid_slave_pos, we will get different
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# output depending on whether it is InnoDB or MyISAM (roll back or no roll
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# back). So fix it to make sure we are consistent, in case an earlier test case
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# left it as InnoDB.
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SET sql_log_bin=0;
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ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria;
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SET sql_log_bin=1;
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--source include/start_slave.inc
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--connection master
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CREATE TABLE t1 (i int) ENGINE=InnoDB;
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--sync_slave_with_master
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--echo *** MDEV-4484, incorrect error handling when entries in gtid_slave_pos not found. ***
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TRUNCATE TABLE mysql.gtid_slave_pos;
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--connection master
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INSERT INTO t1 VALUES (1);
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--sync_slave_with_master
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# Inject an artificial error deleting entries, and check that the error handling code works.
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--connection slave
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--source include/stop_slave.inc
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SET @old_gtid_cleanup_batch_size= @@GLOBAL.gtid_cleanup_batch_size;
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SET GLOBAL gtid_cleanup_batch_size= 2;
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SET @old_dbug= @@GLOBAL.debug_dbug;
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SET GLOBAL debug_dbug="+d,gtid_slave_pos_simulate_failed_delete";
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SET sql_log_bin= 0;
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CALL mtr.add_suppression("<DEBUG> Error deleting old GTID row");
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SET sql_log_bin= 1;
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--source include/start_slave.inc
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--connection master
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--disable_query_log
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let $i = 20;
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while ($i) {
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eval INSERT INTO t1 VALUES ($i+10);
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dec $i;
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}
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--enable_query_log
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--save_master_pos
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--connection slave
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--sync_with_master
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# Now wait for the slave background thread to try to delete old rows and
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# hit the error injection.
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--let _TEST_MYSQLD_ERROR_LOG=$MYSQLTEST_VARDIR/log/mysqld.2.err
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--perl
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open F, '<', $ENV{'_TEST_MYSQLD_ERROR_LOG'} or die;
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outer: while (1) {
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inner: while (<F>) {
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last outer if /<DEBUG> Error deleting old GTID row/;
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}
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# Easy way to do sub-second sleep without extra modules.
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select(undef, undef, undef, 0.1);
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}
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EOF
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# Since we injected error in the cleanup code, the rows should remain in
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# mysql.gtid_slave_pos. Check that we have at least 20 (more robust against
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# non-deterministic cleanup and future changes than checking for exact number).
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--disable_cursor_protocol
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SELECT COUNT(*), MAX(seq_no) INTO @pre_count, @pre_max_seq_no
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FROM mysql.gtid_slave_pos;
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--disable_cursor_protocol
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SELECT IF(@pre_count >= 20, "OK", CONCAT("Error: too few rows seen while errors injected: ", @pre_count));
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SET GLOBAL debug_dbug= @old_dbug;
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--connection master
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--disable_query_log
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let $i = 20;
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while ($i) {
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eval INSERT INTO t1 VALUES ($i+40);
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dec $i;
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}
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--enable_query_log
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--sync_slave_with_master
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--connection slave
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# Now check that 1) rows are being deleted again after removing error
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# injection, and 2) old rows are left that failed their delete while errors
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# where injected (again compensating for non-deterministic deletion).
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# Deletion is async and slightly non-deterministic, so we wait for at
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# least 10 of the 20 new rows to be deleted.
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let $wait_condition=
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SELECT COUNT(*) <= 20-10
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FROM mysql.gtid_slave_pos
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WHERE seq_no > @pre_max_seq_no;
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--source include/wait_condition.inc
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SELECT IF(COUNT(*) >= 1, "OK", CONCAT("Error: too few rows seen after errors no longer injected: ", COUNT(*)))
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FROM mysql.gtid_slave_pos
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WHERE seq_no <= @pre_max_seq_no;
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# Clean up
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--connection master
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DROP TABLE t1;
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--connection slave
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SET GLOBAL gtid_cleanup_batch_size= @old_gtid_cleanup_batch_size;
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--source include/rpl_end.inc
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