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Bug# 15968 - Partitions: crash when insert with f1 = -1 into partition by hash(f1)

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fixed


mysql-test/r/partition_hash.result:
  results for newly added test.
mysql-test/t/partition_hash.test:
  test case for inserting a value into a hash that would generate a negative value
sql/sql_partition.cc:
  fields that generate a negative value would also generate a negative
  part_id which doesn't index into the m_file array to well.
This commit is contained in:
unknown
2006-01-06 18:52:49 -06:00
parent 3c4c332fd0
commit e262e74419
3 changed files with 17 additions and 1 deletions
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3
sql/sql_partition.cc
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@@ -2327,7 +2327,8 @@ static uint32 get_part_id_hash(uint no_parts,
Item *part_expr)
{
DBUG_ENTER("get_part_id_hash");
DBUG_RETURN((uint32)(part_expr->val_int() % no_parts));
longlong int_hash_id= part_expr->val_int() % no_parts;
DBUG_RETURN(int_hash_id < 0 ? -int_hash_id : int_hash_id);
}