database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Fixed UNION fields type/length detecting

Browse Source
This commit is contained in:
bell@sanja.is.com.ua
2003-11-23 02:01:15 +02:00
parent 4883d21b29
commit 7191ea0ae3
17 changed files with 799 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
sql/sql_lex.h
View File

@ -295,7 +295,6 @@ class JOIN;
class select_union;
class st_select_lex_unit: public st_select_lex_node {
protected:
List<Item> item_list;
TABLE_LIST result_table_list;
select_union *union_result;
TABLE *table; /* temporary table using for appending UNION results */
@ -305,9 +304,13 @@ protected:
ulong found_rows_for_union;
bool prepared, // prepare phase already performed for UNION (unit)
optimized, // optimize phase already performed for UNION (unit)
executed, // already executed
t_and_f; // used for transferring tables_and_fields_initied UNIT:: methods
executed; // already executed
public:
// list of fields which points to temporary table for union
List<Item> item_list;
// list of types of items inside union (used for union & derived tables)
List<Item> types;
/*
Pointer to 'last' select or pointer to unit where stored
global parameters for union
@ -342,7 +345,7 @@ public:
void exclude_tree();
/* UNION methods */
int prepare(THD *thd, select_result *result, bool tables_and_fields_initied);
int prepare(THD *thd, select_result *result);
int exec();
int cleanup();