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authorNikita Malyavin <nikitamalyavin@gmail.com>2018-07-24 01:59:15 +1000
committerSergei Golubchik <serg@mariadb.org>2018-08-24 11:20:06 +0200
commitdb3be33ec877a3e39a18d46da8dc3ac364be8113 (patch)
treea69e9c8d2948a7c14b42b8bd6f859e929391f852
parent6c6ca907ee84e3f129bc33be8202c0fee2f29196 (diff)
downloadmariadb-git-db3be33ec877a3e39a18d46da8dc3ac364be8113.tar.gz
MDEV-16783 Assertion `!conds' failed in mysql_delete upon 2nd execution of SP with DELETE HISTORY
* remove assertion * do not setup `conds` if it's already cached Fixes #823
-rw-r--r--mysql-test/suite/versioning/r/truncate.result6
-rw-r--r--mysql-test/suite/versioning/t/truncate.test10
-rw-r--r--sql/sql_delete.cc14
3 files changed, 25 insertions, 5 deletions
diff --git a/mysql-test/suite/versioning/r/truncate.result b/mysql-test/suite/versioning/r/truncate.result
index 308501915dc..d38b9eed162 100644
--- a/mysql-test/suite/versioning/r/truncate.result
+++ b/mysql-test/suite/versioning/r/truncate.result
@@ -100,5 +100,11 @@ ERROR 42S02: 'v' is a view
unlock tables;
drop view v;
drop table t;
+create table t1 (i int) with system versioning;
+create procedure pr() delete history from t1 before system_time now();
+call pr;
+call pr;
+drop procedure pr;
+drop table t1;
drop database test;
create database test;
diff --git a/mysql-test/suite/versioning/t/truncate.test b/mysql-test/suite/versioning/t/truncate.test
index 4e039a76567..1727c7787ef 100644
--- a/mysql-test/suite/versioning/t/truncate.test
+++ b/mysql-test/suite/versioning/t/truncate.test
@@ -107,5 +107,15 @@ unlock tables;
drop view v;
drop table t;
+#
+# MDEV-16783 Assertion `!conds' failed in mysql_delete upon 2nd execution of SP with DELETE HISTORY
+#
+create table t1 (i int) with system versioning;
+create procedure pr() delete history from t1 before system_time now();
+call pr;
+call pr;
+drop procedure pr;
+drop table t1;
+
drop database test;
create database test;
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index b6ca2e956cb..a040ba9eb93 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -323,12 +323,16 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
DBUG_ASSERT(table);
DBUG_ASSERT(!conds || thd->stmt_arena->is_stmt_execute());
- if (select_lex->vers_setup_conds(thd, table_list))
- DBUG_RETURN(TRUE);
- DBUG_ASSERT(!conds);
- conds= table_list->on_expr;
- table_list->on_expr= NULL;
+ // conds could be cached from previous SP call
+ if (!conds)
+ {
+ if (select_lex->vers_setup_conds(thd, table_list))
+ DBUG_RETURN(TRUE);
+
+ conds= table_list->on_expr;
+ table_list->on_expr= NULL;
+ }
}
if (mysql_handle_list_of_derived(thd->lex, table_list, DT_MERGE_FOR_INSERT))