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Merge mysql.com:/home/gluh/MySQL/Merge/5.1

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into  mysql.com:/home/gluh/MySQL/Merge/5.1-opt
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gluh@eagle.(none)
2007-02-26 17:46:52 +04:00
parent 83a5eac0a4 086aa9d3c0
commit 1d49f79c53
37 changed files with 883 additions and 175 deletions
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17
sql/sql_base.cc
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@ -5465,21 +5465,8 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
uint tablenr= 0;
DBUG_ENTER("setup_tables");
/*
Due to the various call paths that lead to setup_tables() it may happen
that context->table_list and context->first_name_resolution_table can be
NULL (this is typically done when creating TABLE_LISTs internally).
TODO:
Investigate all cases when this my happen, initialize the name resolution
context correctly in all those places, and remove the context reset below.
*/
if (!context->table_list || !context->first_name_resolution_table)
{
/* Test whether the context is in a consistent state. */
DBUG_ASSERT(!context->first_name_resolution_table && !context->table_list);
context->table_list= context->first_name_resolution_table= tables;
}
DBUG_ASSERT ((select_insert && !tables->next_name_resolution_table) || !tables ||
(context->table_list && context->first_name_resolution_table));
/*
this is used for INSERT ... SELECT.
For select we setup tables except first (and its underlying tables)