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3448ceb02a
While MariaDB Server 10.2 is not really guaranteed to be compatible with Percona XtraBackup 2.4 (for example, the MySQL 5.7 undo log format change that could be present in XtraBackup, but was reverted from MariaDB in MDEV-12289), we do not want to disrupt users who have deployed xtrabackup and MariaDB Server 10.2 in their environments. With this change, MariaDB 10.2 will continue to use the backup-unsafe TRUNCATE TABLE code, so that neither the undo log nor the redo log formats will change in an incompatible way. Undo tablespace truncation will keep using the redo log only. Recovery or backup with old code will fail to shrink the undo tablespace files, but the contents will be recovered just fine. In the MariaDB Server 10.2 series only, we introduce the configuration parameter innodb_unsafe_truncate and make it ON by default. To allow MariaDB Backup (mariabackup) to work properly with TRUNCATE TABLE operations, use loose_innodb_unsafe_truncate=OFF. MariaDB Server 10.3.10 and later releases will always use the backup-safe TRUNCATE TABLE, and this parameter will not be added there. recv_recovery_rollback_active(): Skip row_mysql_drop_garbage_tables() unless innodb_unsafe_truncate=OFF. It is too unsafe to drop orphan tables if RENAME operations are not transactional within InnoDB. LOG_HEADER_FORMAT_10_3: Replaces LOG_HEADER_FORMAT_CURRENT. log_init(), log_group_file_header_flush(), srv_prepare_to_delete_redo_log_files(), innobase_start_or_create_for_mysql(): Choose the redo log format and subformat based on the value of innodb_unsafe_truncate.
417 lines
12 KiB
PHP
417 lines
12 KiB
PHP
#
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# WL#6501: make truncate table atomic
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#
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--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/big_test.inc
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# Valgrind would complain about memory leaks when we crash on purpose.
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--source include/not_valgrind.inc
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# Embedded server does not support crashing
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--source include/not_embedded.inc
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# Avoid CrashReporter popup on Mac
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--source include/not_crashrep.inc
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# suppress expected warnings.
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call mtr.add_suppression("The file '.*' already exists though the corresponding table did not exist in the InnoDB data dictionary");
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call mtr.add_suppression("Cannot create file '.*'");
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call mtr.add_suppression("InnoDB: Error number 17 means 'File exists'");
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################################################################################
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#
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# Will test following scenarios:
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# 1. Hit crash point while writing redo log.
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# 2. Hit crash point on completion of redo log write.
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# 3. Hit crash point while dropping indexes.
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# 4. Hit crash point on completing drop of all indexes before creation of index
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# is commenced.
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# 5. Hit crash point while creating indexes.
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# 6. Hit crash point after data is updated to system-table and in-memory dict.
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# 7. Hit crash point before/after log checkpoint is done.
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#
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################################################################################
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#-----------------------------------------------------------------------------
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#
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# create test-bed
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#
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let $per_table = `select @@innodb_file_per_table`;
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eval set global innodb_file_per_table = on;
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let $WL6501_TMP_DIR = `select @@tmpdir`;
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let $WL6501_DATA_DIR = `select @@datadir`;
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let SEARCH_FILE = $MYSQLTEST_VARDIR/log/my_restart.err;
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#-----------------------------------------------------------------------------
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#
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# 1. Hit crash point while writing redo log.
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#
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--echo "1. Hit crash point while writing redo log."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine=innodb row_format=$wl6501_row_fmt
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key_block_size=$wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_while_writing_redo_log";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 2. Hit crash point on completion of redo log write.
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#
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--echo "2. Hit crash point on completion of redo log write."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_after_redo_log_write_complete";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 3. Hit crash point while dropping indexes.
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#
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--echo "3. Hit crash point while dropping indexes."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_drop_of_clust_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#
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#
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_drop_of_uniq_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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#
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#
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#
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_drop_of_sec_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 4. Hit crash point on completing drop of all indexes before creation of index
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# is commenced.
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#
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--echo "4. Hit crash point on completing drop of all indexes before creation"
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--echo " of index is commenced."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_drop_reinit_done_create_to_start";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 5. Hit crash point while creating indexes.
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#
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--echo "5. Hit crash point while creating indexes."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_create_of_clust_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#
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#
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_create_of_uniq_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#
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#
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_create_of_sec_index";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 6. Hit crash point after data is updated to system-table and in-memory dict.
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#
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--echo "6. Hit crash point after data is updated to system-table and"
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--echo " in-memory dict."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_on_updating_dict_sys_info";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# 7. Hit crash point before/after log checkpoint is done.
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#
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--echo "7. Hit crash point before/after log checkpoint is done."
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_before_log_removal";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t where f < 2.5;
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drop table t;
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#
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#
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use test;
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eval set global innodb_file_per_table = $wl6501_file_per_table;
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SET innodb_strict_mode=OFF;
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--disable_warnings
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eval create $wl6501_temp table t (
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i int, f float, c char,
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primary key pk(i), unique findex(f), index ck(c))
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engine = innodb row_format = $wl6501_row_fmt
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key_block_size = $wl6501_kbs;
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--enable_warnings
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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check table t;
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#
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set session debug = "+d,ib_trunc_crash_after_truncate_done";
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--source include/expect_crash.inc
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--error 2013
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truncate table t;
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#
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--source include/start_mysqld.inc
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check table t;
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select * from t;
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insert into t values (1, 1.1, 'a'), (2, 2.2, 'b'), (3, 3.3, 'c');
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select * from t;
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select * from t where f < 2.5;
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drop table t;
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#-----------------------------------------------------------------------------
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#
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# remove test-bed
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#
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eval set global innodb_file_per_table = $per_table;
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