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Bug #17097: Partitions: failing ADD PRIMARY KEY leads to temporary rotten metadata,crash

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When doing an ALTER TABLE on a table using partitioning, force the table
  definition to get reloaded, since it may become invalid whenever the ALTER
  TABLE fails (even for an ALTER TABLE without specific partitioning changes).
This commit is contained in:
jimw@mysql.com
2006-03-13 05:01:11 -08:00
parent 05f3d1710a
commit ed453f077f
3 changed files with 32 additions and 8 deletions
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18
sql/sql_partition.cc
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@@ -4060,6 +4060,15 @@ uint prep_alter_part_table(THD *thd, TABLE *table, ALTER_INFO *alter_info,
{
DBUG_ENTER("prep_alter_part_table");
/*
We are going to manipulate the partition info on the table object
so we need to ensure that the data structure of the table object
is freed by setting version to 0. table->s->version= 0 forces a
flush of the table object in close_thread_tables().
*/
if (table->part_info)
table->s->version= 0L;
if (alter_info->flags &
(ALTER_ADD_PARTITION | ALTER_DROP_PARTITION |
ALTER_COALESCE_PARTITION | ALTER_REORGANIZE_PARTITION |
@@ -4068,19 +4077,12 @@ uint prep_alter_part_table(THD *thd, TABLE *table, ALTER_INFO *alter_info,
ALTER_REPAIR_PARTITION | ALTER_REBUILD_PARTITION))
{
partition_info *tab_part_info= table->part_info;
uint flags= 0;
if (!tab_part_info)
{
my_error(ER_PARTITION_MGMT_ON_NONPARTITIONED, MYF(0));
DBUG_RETURN(TRUE);
}
/*
We are going to manipulate the partition info on the table object
so we need to ensure that the data structure of the table object
is freed by setting version to 0. table->s->version= 0 forces a
flush of the table object in close_thread_tables().
*/
uint flags= 0;
table->s->version= 0L;
if (alter_info->flags == ALTER_TABLE_REORG)
{
uint new_part_no, curr_part_no;