diff --git a/mysql-test/r/analyse.result b/mysql-test/r/analyse.result index 92fc26e7ba3..f82439090f6 100644 --- a/mysql-test/r/analyse.result +++ b/mysql-test/r/analyse.result @@ -135,4 +135,17 @@ SELECT * FROM t1 PROCEDURE ANALYSE(); Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype test.t1.a e e- 1 2 0 0 1.3333 NULL ENUM('e','e-') NOT NULL DROP TABLE t1; +# +# Bug#11756242 48137: PROCEDURE ANALYSE() LEAKS MEMORY WHEN RETURNING NULL +# +CREATE TABLE t1(f1 INT) ENGINE=MYISAM; +CREATE TABLE t2(f2 INT) ENGINE=INNODB; +INSERT INTO t2 VALUES (1); +SELECT DISTINCTROW f1 FROM t1 NATURAL RIGHT OUTER JOIN t2 PROCEDURE ANALYSE(); +Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype +test.t1.f1 NULL NULL 0 0 0 1 0.0 0.0 CHAR(0) +SELECT * FROM t2 LIMIT 1 PROCEDURE ANALYSE(); +Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype +test.t2.f2 1 1 1 1 0 0 1.0000 0.0000 ENUM('1') NOT NULL +DROP TABLE t1, t2; End of 5.1 tests diff --git a/mysql-test/t/analyse.test b/mysql-test/t/analyse.test index 63929d8766b..c77967a0cc9 100644 --- a/mysql-test/t/analyse.test +++ b/mysql-test/t/analyse.test @@ -1,6 +1,7 @@ # # Test of procedure analyse # +-- source include/have_innodb.inc --disable_warnings drop table if exists t1,t2; @@ -144,4 +145,15 @@ INSERT INTO t1 VALUES ('e'),('e'),('e-'); SELECT * FROM t1 PROCEDURE ANALYSE(); DROP TABLE t1; +--echo # +--echo # Bug#11756242 48137: PROCEDURE ANALYSE() LEAKS MEMORY WHEN RETURNING NULL +--echo # + +CREATE TABLE t1(f1 INT) ENGINE=MYISAM; +CREATE TABLE t2(f2 INT) ENGINE=INNODB; +INSERT INTO t2 VALUES (1); +SELECT DISTINCTROW f1 FROM t1 NATURAL RIGHT OUTER JOIN t2 PROCEDURE ANALYSE(); +SELECT * FROM t2 LIMIT 1 PROCEDURE ANALYSE(); +DROP TABLE t1, t2; + --echo End of 5.1 tests diff --git a/sql/sql_select.cc b/sql/sql_select.cc index eb2559fc600..84a09fbc7e6 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -1929,7 +1929,11 @@ JOIN::exec() if (!curr_join->sort_and_group && curr_join->const_tables != curr_join->tables) curr_join->join_tab[curr_join->const_tables].sorted= 0; - if ((tmp_error= do_select(curr_join, (List *) 0, curr_tmp_table, 0))) + + Procedure *save_proc= curr_join->procedure; + tmp_error= do_select(curr_join, (List *) 0, curr_tmp_table, 0); + curr_join->procedure= save_proc; + if (tmp_error) { error= tmp_error; DBUG_VOID_RETURN; @@ -12354,10 +12358,14 @@ end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)), int error; if (join->having && join->having->val_int() == 0) DBUG_RETURN(NESTED_LOOP_OK); // Didn't match having - error=0; if (join->procedure) - error=join->procedure->send_row(join->procedure_fields_list); - else if (join->do_send_rows) + { + if (join->procedure->send_row(join->procedure_fields_list)) + DBUG_RETURN(NESTED_LOOP_ERROR); + DBUG_RETURN(NESTED_LOOP_OK); + } + error=0; + if (join->do_send_rows) error=join->result->send_data(*join->fields); if (error) DBUG_RETURN(NESTED_LOOP_ERROR); /* purecov: inspected */