database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

Merge with 5.2.

Browse Source 
no_error handling for select (used by INSERT ... SELECT) still needs to be fixed, but I will do that in a separate commit
This commit is contained in:
Michael Widenius
2011-12-11 11:34:44 +02:00
parent 3e2cb35e11 701c0f822a
commit 6d4224a31c
1166 changed files with 25635 additions and 15193 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
sql/sql_lex.h
View File

@ -1,4 +1,5 @@
/* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc.
/*
Copyright (c) 2000, 2011, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -11,7 +12,8 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
@defgroup Semantic_Analysis Semantic Analysis
@ -766,16 +768,7 @@ public:
joins on the right.
*/
List<String> *prev_join_using;
/*
Bitmap used in the ONLY_FULL_GROUP_BY_MODE to prevent mixture of aggregate
functions and non aggregated fields when GROUP BY list is absent.
Bits:
0 - non aggregated fields are used in this select,
defined as NON_AGG_FIELD_USED.
1 - aggregate functions are used in this select,
defined as SUM_FUNC_USED.
*/
uint8 full_group_by_flag;
void init_query();
void init_select();
st_select_lex_unit* master_unit();
@ -915,7 +908,23 @@ public:
bool save_leaf_tables(THD *thd);
bool save_prep_leaf_tables(THD *thd);
bool is_merged_child_of(st_select_lex *ancestor);
private:
/*
For MODE_ONLY_FULL_GROUP_BY we need to maintain two flags:
- Non-aggregated fields are used in this select.
- Aggregate functions are used in this select.
In MODE_ONLY_FULL_GROUP_BY only one of these may be true.
*/
bool non_agg_field_used() const { return m_non_agg_field_used; }
bool agg_func_used() const { return m_agg_func_used; }
void set_non_agg_field_used(bool val) { m_non_agg_field_used= val; }
void set_agg_func_used(bool val) { m_agg_func_used= val; }
private:
bool m_non_agg_field_used;
bool m_agg_func_used;
/* current index hint kind. used in filling up index_hints */
enum index_hint_type current_index_hint_type;
index_clause_map current_index_hint_clause;
@ -1930,6 +1939,16 @@ typedef struct st_lex : public Query_tables_list
uint create_select_pos;
bool create_select_in_comment;
/*
The set of those tables whose fields are referenced in all subqueries
of the query.
TODO: possibly this it is incorrect to have used tables in LEX because
with subquery, it is not clear what does the field mean. To fix this
we should aggregate used tables information for selected expressions
into the select_lex.
*/
table_map used_tables;
st_lex();
virtual ~st_lex()