Bug#11151: LOAD DATA INFILE commits transaction in 5.0

No longer create or commit transactions within the loading of files.


mysql-test/r/loaddata.result:
  Add test result.
mysql-test/t/loaddata.test:
  Add test case.
sql/sql_load.cc:
  Loading data from a table should neither create new transactions nor destroy
  (by committing or rolling-back) existing transactions.

mysql-test/r/loaddata.result

@@ -139,3 +139,18 @@ a	b	c
 10	NULL	Ten
 15	NULL	Fifteen
 drop table t1, t2;
+create table bug11151 (a int, b int) engine=InnoDB;
+start transaction;
+insert into bug11151 values (0, 0);
+rollback;
+select a, b from bug11151;
+a	b
+delete from bug11151;
+start transaction;
+insert into bug11151 values (42, 0);
+load data infile '../std_data_ln/loaddata5.dat' into table bug11151 fields terminated by '' enclosed by '' (a, b);
+insert into bug11151 values (42, 99);
+rollback;
+select a, b from bug11151;
+a	b
+drop table bug11151;

mysql-test/t/loaddata.test

@@ -113,4 +113,26 @@ select * from t1;
 # cleanup
 drop table t1, t2;
 
+
+
+#
+# Bug#11151:  LOAD DATA INFILE commits transaction in 5.0
+#
+create table bug11151 (a int, b int) engine=InnoDB;
+
+start transaction;
+insert into bug11151 values (0, 0);
+rollback;
+select a, b from bug11151;
+delete from bug11151;
+
+start transaction;
+insert into bug11151 values (42, 0);
+load data infile '../std_data_ln/loaddata5.dat' into table bug11151 fields terminated by '' enclosed by '' (a, b);
+insert into bug11151 values (42, 99);
+rollback;
+select a, b from bug11151;
+
+drop table bug11151;
+
 # End of 5.0 tests

sql/sql_load.cc

@@ -381,7 +381,7 @@ bool mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
     table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
     table->next_number_field=0;
   }
-  ha_enable_transaction(thd, TRUE);
+
   if (file >= 0)
     my_close(file,MYF(0));
   free_blobs(table);				/* if pack_blob was used */
@@ -396,9 +396,6 @@ bool mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
 
   if (error)
   {
-    if (transactional_table)
-      ha_autocommit_or_rollback(thd,error);
-
     if (read_file_from_client)
       while (!read_info.next_line())
 	;
@@ -465,8 +462,6 @@ bool mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
 					 ignore, transactional_table);
   }
 #endif /*!EMBEDDED_LIBRARY*/
-  if (transactional_table)
-    error=ha_autocommit_or_rollback(thd,error);
 
 err:
   if (thd->lock)