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Support for variables with components

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Added framework to create/drop and manager buffers for multiple key caches
This commit is contained in:
monty@mashka.mysql.fi
2003-07-06 19:09:57 +03:00
parent bad00c38df
commit ebcc7b5a4f
42 changed files with 572 additions and 127 deletions
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11
sql/sql_parse.cc
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@ -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;
}