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BUG#18198: Too much expressiveness in partition functions allowed

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First step


sql/item.h:
  Add function to check for partition function whether allowed or not.
  In this first step allow only a field on its own.
  Further steps will add a lot more possibilities.
sql/partition_info.cc:
  Add a check whether the partition function is allowed by walking the
  partition function expression.
sql/share/errmsg.txt:
  Add a new error code for partition function not allowed
This commit is contained in:
unknown
2006-04-05 12:39:06 +02:00
parent 07302c6007
commit d868d032aa
3 changed files with 16 additions and 0 deletions
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7
sql/partition_info.cc
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@@ -655,8 +655,15 @@ bool partition_info::check_partition_info(handlerton **eng_type,
uint i, tot_partitions;
bool result= TRUE;
char *same_name;
bool part_expression_ok= TRUE;
DBUG_ENTER("partition_info::check_partition_info");
if (part_expr->walk(Item::check_partition_func_processor,
(byte*)&part_expression_ok))
{
my_error(ER_PARTITION_FUNC_NOT_ALLOWED, MYF(0));
goto end;
}
if (unlikely(!is_sub_partitioned() &&
!(use_default_subpartitions && use_default_no_subpartitions)))
{