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Merge branch '10.1' into 10.2

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This commit is contained in:
Sergei Golubchik 2016-03-23 22:36:46 +01:00
commit f67a2211ec
298 changed files with 4434 additions and 1471 deletions
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11
sql/item_row.h
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@ -2,7 +2,7 @@
#define ITEM_ROW_INCLUDED
/*
Copyright (c) 2002, 2010, Oracle and/or its affiliates.
Copyright (c) 2002, 2013, 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
@ -28,11 +28,20 @@
@endverbatim
*/
/**
Item which stores (x,y,...) and ROW(x,y,...).
Note that this can be recursive: ((x,y),(z,t)) is a ROW of ROWs.
*/
class Item_row: public Item,
private Item_args,
private Used_tables_and_const_cache
{
table_map not_null_tables_cache;
/**
If elements are made only of constants, of which one or more are
NULL. For example, this item is (1,2,NULL), or ( (1,NULL), (2,3) ).
*/
bool with_null;
public:
Item_row(THD *thd, List<Item> &list):