Fixed bug #29985.

Multiple-result processing is required during the execution
of CALL statements for stored procedures, however the mysqlslap
client lacked that processing.

client/mysqlslap.c

@@ -140,7 +140,8 @@ static my_bool opt_compress= FALSE, tty_password= FALSE,
                auto_generate_sql= FALSE;
 const char *auto_generate_sql_type= "mixed";
 
-static unsigned long connect_flags= CLIENT_MULTI_RESULTS;
+static unsigned long connect_flags= CLIENT_MULTI_RESULTS |
+                                    CLIENT_MULTI_STATEMENTS;
 
 static int verbose, delimiter_length;
 static uint commit_rate;
@@ -1877,6 +1878,8 @@ pthread_handler_t run_task(void *p)
         }
       }
 
+      do
+      {
         if (mysql_field_count(mysql))
         {
           result= mysql_store_result(mysql);
@@ -1884,6 +1887,7 @@ pthread_handler_t run_task(void *p)
             counter++;
           mysql_free_result(result);
         }
+      } while(mysql_next_result(mysql) == 0);
       queries++;
 
       if (commit_rate && commit_rate <= trans_counter)

mysql-test/r/mysqlslap.result

@@ -211,3 +211,8 @@ COMMIT;
 COMMIT;
 SHOW TABLES;
 DROP SCHEMA IF EXISTS `mysqlslap`;
+#
+# Bug #29985: mysqlslap -- improper handling of resultsets in SPROCs
+#
+DROP PROCEDURE IF EXISTS p1;
+CREATE PROCEDURE p1() SELECT 1;

mysql-test/t/mysqlslap.test

@@ -40,3 +40,14 @@
  --exec $MYSQL_SLAP --only-print --delimiter=";" --query="select * from t1;select * from t2" --create="CREATE TABLE t1 (id int, name varchar(64)); create table t2(foo1 varchar(32), foo2 varchar(32)); INSERT INTO t1 VALUES (1, 'This is a test'); insert into t2 values ('test', 'test2')" --engine="heap,myisam" --post-query="SHOW TABLES" --pre-query="SHOW TABLES" --number-of-queries=6 --commit=1;
 
 --exec $MYSQL_SLAP --silent --concurrency=5 --iterations=1 --number-int-cols=2 --number-char-cols=3 --auto-generate-sql --auto-generate-sql-add-autoincrement --auto-generate-sql-load-type=write --detach=2
+
+--echo #
+--echo # Bug #29985: mysqlslap -- improper handling of resultsets in SPROCs
+--echo #
+
+--disable_warnings
+DROP PROCEDURE IF EXISTS p1;
+--enable_warnings
+CREATE PROCEDURE p1() SELECT 1;
+
+--exec $MYSQL_SLAP --create-schema=test --delimiter=";" --query="CALL p1; SELECT 1;" --silent 2>&1