1. 01 Feb, 2008 1 commit
  2. 30 Jan, 2008 2 commits
    • kostja@dipika.(none)'s avatar
      917c7952
    • kostja@dipika.(none)'s avatar
      A fix and a test case for Bug#34166 Server crash in SHOW OPEN TABLES and · b46ce809
      kostja@dipika.(none) authored
      pre-locking.
      
      The crash was caused by an implicit assumption in check_table_access() that
      table_list parameter is always a part of lex->query_tables.
      
      When iterating over the passed list of tables, check_table_access() used
      to stop only when lex->query_tables_last_not_own was reached. 
      In case of pre-locking, lex->query_tables_last_own is not NULL and points
      to some element of lex->query_tables. When the parameter
      of check_table_access() was not part of lex->query_tables, loop invariant
      could never be violated and a crash would happen when the current table
      pointer would point beyond the end of the provided list.
      
      The fix is to change the signature of check_table_access() to also accept
      a numeric limit of loop iterations, similarly to check_grant(), and 
      supply this limit in all places when we want to check access of tables
      that are outside lex->query_tables, or just want to check access to one table.
      b46ce809
  3. 29 Jan, 2008 3 commits
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