database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-12-24 11:21:21 +03:00
Code Activity

Apply earlier patch: correct handling of subqueries that

Browse Source 
were not yet optimized or already executed and deleted.
This commit is contained in:
Sergey Petrunya
2012-01-04 04:57:01 +04:00
parent b01348879d
commit ee40ee9cb8
5 changed files with 150 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
sql/sql_select.h
View File

@@ -1137,8 +1137,10 @@ public:
const char *zero_result_cause; ///< not 0 if exec must return zero result
bool union_part; ///< this subselect is part of union
int optimized; ///< flag to avoid double optimization in EXPLAIN
bool optimized; ///< flag to avoid double optimization in EXPLAIN
bool initialized; ///< flag to avoid double init_execution calls
enum { QEP_NOT_PRESENT_YET, QEP_AVAILABLE, QEP_DELETED} have_query_plan;
/*
Additional WHERE and HAVING predicates to be considered for IN=>EXISTS
@@ -1221,6 +1223,7 @@ public:
ref_pointer_array_size= 0;
zero_result_cause= 0;
optimized= 0;
have_query_plan= QEP_NOT_PRESENT_YET;
initialized= 0;
cond_equal= 0;
having_equal= 0;