summaryrefslogtreecommitdiff
path: root/sql/sql_lex.h
diff options
context:
space:
mode:
authorOleksandr Byelkin <sanja@mariadb.com>2019-02-27 15:53:25 +0100
committerOleksandr Byelkin <sanja@mariadb.com>2019-02-28 18:14:53 +0100
commitcb11b3fbe9d4dde776cb8f2c0d6f83a569655efc (patch)
treec2786c9e12fe67065c887e1a9a027cfaf154fb51 /sql/sql_lex.h
parent0ad598a00b17008b0c0702db40948b14d7eee0d5 (diff)
downloadmariadb-git-cb11b3fbe9d4dde776cb8f2c0d6f83a569655efc.tar.gz
MDEV-17055: Server crashes in find_order_in_list upon 2nd (3rd) execution of SP with UPDATE
1. Always drop merged_for_insert flag on cleanup (there could be errors which prevent TABLE to be assigned) 2. Make more precise cleanup of select parts which was touched
Diffstat (limited to 'sql/sql_lex.h')
-rw-r--r--sql/sql_lex.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 8a31560d2bf..5b589714e1a 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -729,6 +729,10 @@ public:
typedef class st_select_lex_unit SELECT_LEX_UNIT;
+
+#define TOUCHED_SEL_COND 1/* WHERE/HAVING/ON should be reinited before use */
+#define TOUCHED_SEL_DERIVED (1<<1)/* derived should be reinited before use */
+
/*
SELECT_LEX - store information of parsed SELECT statment
*/
@@ -876,7 +880,8 @@ public:
subquery. Prepared statements work OK in that regard, as in
case of an error during prepare the PS is not created.
*/
- bool first_execution;
+ uint8 changed_elements; // see TOUCHED_SEL_*
+ /* TODO: add foloowing first_* to bitmap above */
bool first_natural_join_processing;
bool first_cond_optimization;
/* do not wrap view fields with Item_ref */