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Fixed bug mdev-504.

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Opening system statistical tables and reading statistical data from 
them for a regular table should be done after opening and locking 
this regular table.
No test case is provided with this patch.
This commit is contained in:
Igor Babaev
2012-09-08 12:04:31 -07:00
parent cfde11fc4f
commit b3f09e8aa0
4 changed files with 137 additions and 33 deletions
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10
sql/sql_base.cc
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@@ -4665,13 +4665,7 @@ open_and_process_table(THD *thd, LEX *lex, TABLE_LIST *tables,
(*table_field_ptr)->read_stats= (*field_ptr)->read_stats;
table_share->stats_can_be_read= TRUE;
}
if (table_share->stats_can_be_read && !table_share->stats_is_read)
{
(void) read_statistics_for_table(thd, tables->table);
table_share->stats_is_read= TRUE;
}
}
}
}
@@ -5615,6 +5609,8 @@ bool open_and_lock_tables(THD *thd, TABLE_LIST *tables,
if (lock_tables(thd, tables, counter, flags))
goto err;
(void) read_statistics_for_tables_if_needed(thd, tables);
if (derived)
{
if (mysql_handle_derived(thd->lex, DT_INIT))