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  1. 28 Feb, 2012 1 commit
    • Michael Widenius's avatar
      Fixed lp:925377 "Querying myisam table metadata while 'alter table..enable... · e4e85cd2
      Michael Widenius authored
      Fixed lp:925377 "Querying myisam table metadata while 'alter table..enable keys' is running may corrupt the table"
      Fixed wrong mutex order bug in Aria when flush_log_for_bitmap() was called when table is not yet marked for change.
      
      include/my_base.h:
        Added flag that table is opened only for status
      mysql-test/r/myisam-big.result:
        Test case for lp:925377
      mysql-test/t/myisam-big.test:
        Test case for lp:925377
      sql/sql_base.cc:
        If thd->version == 0 (happens only when we are opening a table that is flushed under  MYSQL_LOCK_IGNORE_FLUSH), open the table in HA_OPEN_FOR_STATUS mode
      storage/maria/ma_bitmap.c:
        Fixed wrong mutex order bug in Aria when flush_log_for_bitmap() was called when table is not yet marked for change.
      storage/maria/ma_dbug.c:
        Ignore last_version <= 1 as these are either flushed or only opened for status
      storage/maria/ma_open.c:
        Use last_version=1 as a marker that table was opened with HA_OPEN_FOR_STATUS.
        In this case we just open a new version of the table in read only mode.
      storage/myisam/mi_create.c:
        Update prototype
      storage/myisam/mi_dbug.c:
        Ignore last_version <= 1 as these are either flushed or only opened for status
      storage/myisam/mi_open.c:
        Use last_version=1 as a marker that table was opened with HA_OPEN_FOR_STATUS.
        If HA_OPEN_FOR_STATUS is used, we will not assert if there is an old not-to-be-used version of the table existing.
        In this case we just open a new version of the table in read only mode.
      storage/myisam/myisamdef.h:
        Updated prototype
      e4e85cd2