Bug#53676: Unexpected errors and possible table
corruption on ADD PARTITION and LOCK TABLE Bug#53770: Server crash at handler.cc:2076 on LOAD DATA after timed out COALESCE PARTITION 5.5 fix for: Bug#51042: REORGANIZE PARTITION can leave table in an inconsistent state in case of crash Needs to be back-ported to 5.1 5.5 fix for: Bug#50418: DROP PARTITION does not interact with transactions Main problem was non-persistent operations done before meta-data lock was taken (53770+53676). And 53676 needed to keep the table/partitions opened and locked while copying the data to the new partitions. Also added thorough tests to spot some additional bugs in the ddl_log code, which could result in bad state between the .frm and partitions. Collapsed patch, includes all fixes required from the reviewers. mysql-test/r/partition_innodb.result: updated result with new test mysql-test/suite/parts/inc/partition_crash.inc: crash test include file mysql-test/suite/parts/inc/partition_crash_add.inc: test all states in fast_alter_partition_table ADD PARTITION branch mysql-test/suite/parts/inc/partition_crash_change.inc: test all states in fast_alter_partition_table CHANGE PARTITION branch mysql-test/suite/parts/inc/partition_crash_drop.inc: test all states in fast_alter_partition_table DROP PARTITION branch mysql-test/suite/parts/inc/partition_fail.inc: recovery test including injecting errors mysql-test/suite/parts/inc/partition_fail_add.inc: test all states in fast_alter_partition_table ADD PARTITION branch mysql-test/suite/parts/inc/partition_fail_change.inc: test all states in fast_alter_partition_table CHANGE PARTITION branch mysql-test/suite/parts/inc/partition_fail_drop.inc: test all states in fast_alter_partition_table DROP PARTITION branch mysql-test/suite/parts/inc/partition_mgm_crash.inc: include file that runs all crash and failure injection tests. mysql-test/suite/parts/r/partition_debug_innodb.result: new test result file mysql-test/suite/parts/r/partition_debug_myisam.result: new test result file mysql-test/suite/parts/r/partition_special_innodb.result: updated result mysql-test/suite/parts/r/partition_special_myisam.result: updated result mysql-test/suite/parts/t/partition_debug_innodb-master.opt: opt file for using with crashing tests of partitioned innodb mysql-test/suite/parts/t/partition_debug_innodb.test: partitioned innodb test that require debug builds mysql-test/suite/parts/t/partition_debug_myisam-master.opt: opt file for using with crashing tests of partitioned myisam mysql-test/suite/parts/t/partition_debug_myisam.test: partitioned myisam test that require debug builds mysql-test/suite/parts/t/partition_special_innodb-master.opt: added innodb-file-per-table to easier verify partition status on disk mysql-test/suite/parts/t/partition_special_innodb.test: added test case mysql-test/suite/parts/t/partition_special_myisam.test: added test case mysql-test/t/partition_innodb.test: added test case sql/sql_base.cc: Moved alter_close_tables to sql_partition.cc sql/sql_base.h: removed some non existing and duplicated functions. sql/sql_partition.cc: fast_alter_partition_table: Spletted abort_and_upgrad_lock_and_close_table to its parts (wait_while_table_is_used and alter_close_tables) and always have wait_while_table_is_used before any persistent operations (including logs, which will be executed on failure) and alter_close_tables after create/read/write operations and before drop operations. moved alter_close_tables here from sql_base.cc Added error injections for better test coverage. write_log_final_change_partition: fixed a log_entry linking bug (delete_frm was not linked to change/drop partition) and drop partition must be executed before change partition (change partition can rename a partition to an old name, like REORG p1 INTO (p1,p2). write_log_add_change_partition: need to use drop_frm first, and relinking that entry and reusing its execute entry. sql/sql_table.cc: added initialization of next_active_log_entry. sql/table.h: removed a duplicate declaration.
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