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now all tables of query are locked in one place (including derived tables)

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fixed BUG#2120 and other problem with EXPLAINing derived tables
This commit is contained in:
bell@sanja.is.com.ua
2004-02-01 15:30:32 +02:00
parent 95fcfaf63c
commit 2a9cd37cd6
18 changed files with 311 additions and 248 deletions
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3
sql/sql_prepare.cc
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@ -733,7 +733,7 @@ static bool mysql_test_select_fields(Prepared_statement *stmt,
DBUG_RETURN(1);
#endif
if ((&lex->select_lex != lex->all_selects_list &&
lex->unit.create_total_list(thd, lex, &tables, 0)))
lex->unit.create_total_list(thd, lex, &tables)))
DBUG_RETURN(1);
if (open_and_lock_tables(thd, tables))
@ -746,7 +746,6 @@ static bool mysql_test_select_fields(Prepared_statement *stmt,
}
else
{
fix_tables_pointers(lex->all_selects_list);
if (!result && !(result= new select_send()))
{
send_error(thd, ER_OUT_OF_RESOURCES);