From 0aab3a9ebab7a6835117c5dab5623ec9d58ce648 Mon Sep 17 00:00:00 2001
From: "ram@gw.mysql.r18.ru" <>
Date: Thu, 11 Mar 2004 18:21:57 +0400
Subject: [PATCH] a fix (bug #2885: like datetime)

---
 mysql-test/r/func_like.result | 6 ++++++
 mysql-test/t/func_like.test   | 8 ++++++++
 sql/item_cmpfunc.cc           | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/mysql-test/r/func_like.result b/mysql-test/r/func_like.result
index 7f722622be1..75692738caf 100644
--- a/mysql-test/r/func_like.result
+++ b/mysql-test/r/func_like.result
@@ -46,6 +46,12 @@ select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
 a
 a\b
 drop table t1;
+create table t1 (a datetime);
+insert into t1 values ('2004-03-11 12:00:21');
+select * from t1 where a like '2004-03-11 12:00:21';
+a
+2004-03-11 12:00:21
+drop table t1;
 SET NAMES koi8r;
 CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET koi8r);
 INSERT INTO t1 VALUES ('ÆÙ×Á'),('æÙ×Á'),('Æù×Á'),('ÆÙ÷Á'),('ÆÙ×á'),('æù÷á');
diff --git a/mysql-test/t/func_like.test b/mysql-test/t/func_like.test
index 8b719b077f2..91f55af48cc 100644
--- a/mysql-test/t/func_like.test
+++ b/mysql-test/t/func_like.test
@@ -35,6 +35,14 @@ select * from t1 where a like 'a\\%' escape '#';
 select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
 drop table t1;
 
+#
+# Bug #2885: like and datetime
+#
+
+create table t1 (a datetime);
+insert into t1 values ('2004-03-11 12:00:21');
+select * from t1 where a like '2004-03-11 12:00:21';
+drop table t1;
 
 #
 # Test like with non-default character set
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index f0bc73e9501..1f11d050c1f 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -225,6 +225,13 @@ void Item_bool_func2::fix_length_and_dec()
   }
   
   // Make a special case of compare with fields to get nicer DATE comparisons
+
+  if (functype() == LIKE_FUNC)  // Disable conversion in case of LIKE function.
+  {
+    set_cmp_func();
+    return;
+  }
+    
   if (args[0]->type() == FIELD_ITEM)
   {
     Field *field=((Item_field*) args[0])->field;