database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

make JOIN::prepare, JOIN::optimize only once for EXPLAIN of derived table

Browse Source 
(BUG#2120 sfter merge)
This commit is contained in:
bell@sanja.is.com.ua
2004-02-01 20:07:44 +02:00
parent bd259f54c9
commit f9af8578bc
6 changed files with 47 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
sql/mysql_priv.h
View File

@ -247,7 +247,9 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
// uncachable cause
#define UNCACHEABLE_DEPENDENT 1
#define UNCACHEABLE_RAND 2
#define UNCACHEABLE_SIDEEFFECT 4
#define UNCACHEABLE_SIDEEFFECT 4
// forcing to save JOIN for explain
#define UNCACHEABLE_EXPLAIN 8
#ifdef EXTRA_DEBUG
/*