diff options
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sql/table.cc b/sql/table.cc index eed4170c14a..6c2f0e27c95 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -455,8 +455,12 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag, if (key == primary_key) { field->flags|= PRI_KEY_FLAG; + /* + If this field is part of the primary key and all keys contains + the primary key, then we can use any key to find this column + */ if (ha_option & HA_PRIMARY_KEY_IN_READ_INDEX) - field->part_of_key|= ((key_map) 1 << primary_key); + field->part_of_key= outparam->keys_in_use; } if (field->key_length() != key_part->length) { @@ -480,8 +484,6 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag, (outparam->keys_in_use & ((key_map) 1 << primary_key))) { outparam->primary_key=primary_key; - if (outparam->file->option_flag() & HA_PRIMARY_KEY_IN_READ_INDEX) - outparam->ref_primary_key= (key_map) 1 << primary_key; /* If we are using an integer as the primary key then allow the user to refer to it as '_rowid' |