Commit 8162aec6 authored by unknown's avatar unknown
Browse files

fixed bug of unchecked random part of WHERE clause (bug #142) 


mysql-test/r/select.result:
  test of random WHERE clause
mysql-test/t/select.test:
  test of random WHERE clause
sql/sql_select.cc:
  fixed bug of unchecked random part of WHERE clause
parent 312f0366

mysql-test/r/select.result

+1 −0
Original line number Diff line number Diff line
@@ -1793,3 +1793,4 @@ Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_par 
t2	0	PRIMARY	1	auto	A	1199	NULL	NULL	

t2	0	fld1	1	fld1	A	1199	NULL	NULL	

t2	1	fld3	1	fld3	A	NULL	NULL	NULL	

1

mysql-test/t/select.test

+16 −1
Original line number Diff line number Diff line
@@ -1712,6 +1712,21 @@ show full columns from t2 from test like 'f%'; 
show full columns from t2 from test like 's%';

show keys from t2;



#

# random in WHERE clause

#



drop table t1;

CREATE TABLE t1 (

  id mediumint(8) unsigned NOT NULL auto_increment,

  pseudo varchar(35) NOT NULL default '',

  PRIMARY KEY  (id),

  UNIQUE KEY pseudo (pseudo)

);

INSERT INTO t1 (pseudo) VALUES ('test');

INSERT INTO t1 (pseudo) VALUES ('test1');

SELECT 1 from t1 where rand() > 2;



#

# Drop the test tables

#

sql/sql_select.cc

+2 −0
Original line number Diff line number Diff line
@@ -2257,6 +2257,8 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond) 
    {

      JOIN_TAB *tab=join->join_tab+i;

      table_map current_map= tab->table->map;

      if (i == join->tables-1)

	current_map|= RAND_TABLE_BIT;

      bool use_quick_range=0;

      used_tables|=current_map;