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10.0-base merge

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This commit is contained in:
Sergei Golubchik
2013-04-15 15:09:22 +02:00
parent 3a1c91d87d f57ecb7786
commit a9035be5b7
976 changed files with 38123 additions and 26781 deletions
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22
sql/sql_select.h
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@ -1,8 +1,8 @@
#ifndef SQL_SELECT_INCLUDED
#define SQL_SELECT_INCLUDED
/* Copyright (c) 2000, 2011, Oracle and/or its affiliates.
Copyright (c) 2008-2011 Monty Program Ab
/* Copyright (c) 2000, 2013, Oracle and/or its affiliates.
Copyright (c) 2008, 2013, Monty Program Ab.
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
@ -514,6 +514,16 @@ typedef struct st_join_table {
bool preread_init();
bool is_sjm_nest() { return test(bush_children); }
bool access_from_tables_is_allowed(table_map used_tables,
table_map sjm_lookup_tables)
{
table_map used_sjm_lookup_tables= used_tables & sjm_lookup_tables;
return !used_sjm_lookup_tables ||
(emb_sj_nest &&
!(used_sjm_lookup_tables & ~emb_sj_nest->sj_inner_tables));
}
} JOIN_TAB;
@ -964,6 +974,11 @@ public:
bool hash_join;
bool do_send_rows;
table_map const_table_map;
/**
Bitmap of semijoin tables that the current partial plan decided
to materialize and access by lookups
*/
table_map sjm_lookup_tables;
/*
Constant tables for which we have found a row (as opposed to those for
which we didn't).
@ -1295,8 +1310,9 @@ public:
outer_ref_cond= pseudo_bits_cond= NULL;
in_to_exists_where= NULL;
in_to_exists_having= NULL;
pre_sort_join_tab= NULL;
emb_sjm_nest= NULL;
sjm_lookup_tables= 0;
}
int prepare(Item ***rref_pointer_array, TABLE_LIST *tables, uint wind_num,