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author | Sergey Glukhov <sergey.glukhov@oracle.com> | 2011-08-02 11:33:45 +0400 |
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committer | Sergey Glukhov <sergey.glukhov@oracle.com> | 2011-08-02 11:33:45 +0400 |
commit | de3693a1cd292af3efd8841414da866ee2c2e1de (patch) | |
tree | 12ae3424978cad870dff4198962862e5c0573ab0 /sql/sql_class.cc | |
parent | 7841c3f574a7a12b8ed44001b92da7f28764de63 (diff) | |
download | mariadb-git-de3693a1cd292af3efd8841414da866ee2c2e1de.tar.gz |
Bug#11766594 59736: SELECT DISTINCT.. INCORRECT RESULT WITH DETERMINISTIC FUNCTION IN WHERE C
There is an optimization of DISTINCT in JOIN::optimize()
which depends on THD::used_tables value. Each SELECT statement
inside SP resets used_tables value(see mysql_select()) and it
leads to wrong result. The fix is to replace THD::used_tables
with LEX::used_tables.
Diffstat (limited to 'sql/sql_class.cc')
-rw-r--r-- | sql/sql_class.cc | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index b9df35fe8be..7fb1d2ade5f 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -649,7 +649,6 @@ THD::THD() is_slave_error= thread_specific_used= FALSE; hash_clear(&handler_tables_hash); tmp_table=0; - used_tables=0; cuted_fields= sent_row_count= row_count= 0L; limit_found_rows= 0; row_count_func= -1; |