diff options
Diffstat (limited to 'sql/opt_subselect.cc')
| -rw-r--r-- | sql/opt_subselect.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc index 1d0b1ff1874..94adae02a17 100644 --- a/sql/opt_subselect.cc +++ b/sql/opt_subselect.cc @@ -4903,11 +4903,13 @@ SJ_TMP_TABLE::create_sj_weedout_tmp_table(THD *thd) { DBUG_PRINT("info",("Creating group key in temporary table")); share->keys=1; - share->uniques= MY_TEST(using_unique_constraint); table->key_info= share->key_info= keyinfo; keyinfo->key_part=key_part_info; - keyinfo->flags=HA_NOSAME; + keyinfo->flags= HA_NOSAME | (using_unique_constraint ? HA_UNIQUE_HASH : 0); + keyinfo->ext_key_flags= keyinfo->flags; keyinfo->usable_key_parts= keyinfo->user_defined_key_parts= 1; + keyinfo->ext_key_parts= 1; + share->key_parts= 1; keyinfo->key_length=0; keyinfo->rec_per_key=0; keyinfo->algorithm= HA_KEY_ALG_UNDEF; |