From e17562b55af10d9415e9dfefe7cba0ade1e49bca Mon Sep 17 00:00:00 2001
From: unknown <monty@mashka.mysql.fi>
Date: Sun, 6 Jul 2003 19:09:57 +0300
Subject: Support for variables with components Added framework to create/drop
 and manager buffers for multiple key caches

include/my_getopt.h:
  Fixed prototype
include/my_sys.h:
  Added (temporary) KEY_CACHE type
include/mysqld_error.h:
  New error messages
mysql-test/r/select_safe.result:
  Updated test results
mysql-test/r/variables.result:
  Updated test results
mysys/my_getopt.c:
  Fixed bugs with GET_ASK_ADDR
sql/Makefile.am:
  Make sql_yacc.o depend on all header files in sql directory
sql/item_func.cc:
  Added support for variable components
sql/mysql_priv.h:
  Added support for variable components
sql/mysqld.cc:
  Added support for multiple key caches
sql/set_var.cc:
  Added support for multiple key caches
sql/set_var.h:
  Added support for multiple key caches
sql/share/czech/errmsg.txt:
  New error messages
sql/share/danish/errmsg.txt:
  New error messages
sql/share/dutch/errmsg.txt:
  New error messages
sql/share/english/errmsg.txt:
  New error messages
sql/share/estonian/errmsg.txt:
  New error messages
sql/share/french/errmsg.txt:
  New error messages
sql/share/german/errmsg.txt:
  New error messages
sql/share/greek/errmsg.txt:
  New error messages
sql/share/hungarian/errmsg.txt:
  New error messages
sql/share/italian/errmsg.txt:
  New error messages
sql/share/japanese/errmsg.txt:
  New error messages
sql/share/korean/errmsg.txt:
  New error messages
sql/share/norwegian-ny/errmsg.txt:
  New error messages
sql/share/norwegian/errmsg.txt:
  New error messages
sql/share/polish/errmsg.txt:
  New error messages
sql/share/portuguese/errmsg.txt:
  New error messages
sql/share/romanian/errmsg.txt:
  New error messages
sql/share/russian/errmsg.txt:
  New error messages
sql/share/serbian/errmsg.txt:
  New error messages
sql/share/slovak/errmsg.txt:
  New error messages
sql/share/spanish/errmsg.txt:
  New error messages
sql/share/swedish/errmsg.txt:
  New error messages
sql/share/ukrainian/errmsg.txt:
  New error messages
sql/sql_lex.cc:
  Fixes for quoting of variables.
sql/sql_parse.cc:
  Fix after changing prototype for get_system_var
sql/sql_show.cc:
  Fix after introducing variable components
sql/sql_yacc.yy:
  Support for variables with components (To support multiple key caches)
---
 sql/sql_parse.cc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'sql/sql_parse.cc')

diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 0db6ce8a642..3593087d332 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -3570,15 +3570,20 @@ mysql_new_select(LEX *lex, bool move_down)
 
 void create_select_for_variable(const char *var_name)
 {
+  THD *thd;
   LEX *lex;
-  LEX_STRING tmp;
+  LEX_STRING tmp, null_lex_string;
   DBUG_ENTER("create_select_for_variable");
-  lex= current_lex;
+
+  thd= current_thd;
+  lex= &thd->lex;
   mysql_init_select(lex);
   lex->sql_command= SQLCOM_SELECT;
   tmp.str= (char*) var_name;
   tmp.length=strlen(var_name);
-  add_item_to_list(lex->thd, get_system_var(OPT_SESSION, tmp));
+  bzero((char*) &null_lex_string.str, sizeof(null_lex_string));
+  add_item_to_list(thd, get_system_var(thd, OPT_SESSION, tmp,
+				       null_lex_string));
   DBUG_VOID_RETURN;
 }
 
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