Commit 8162aec6 authored by unknown's avatar unknown

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
......@@ -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
......@@ -1712,8 +1712,23 @@ 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
#
drop table t4, t3,t2, t1;
drop table t4, t3, t2, t1;
......@@ -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;
......
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