A fix for a charset bug in the select_export (select into

outfile) class.

mysql-test/t/outfile.test

@@ -22,7 +22,7 @@
 #select load_file("/tmp/select-test.not-exist");
 #drop table t1;
 #drop table if exists t;
-#CREATE TABLE t (  t timestamp NOT NULL,  c char(200) character set latin1 NOT NULL default '',  KEY t (t)) TYPE=MyISAM;
-#INSERT INTO t VALUES ('2002-12-20 12:01:20','');
-#select * from t into outfile "fdg";
+#CREATE TABLE t (  t timestamp NOT NULL,  c char(200) character set latin1 NOT NULL default '',  i int(11), v varchar(200), b blob, KEY t (t)) TYPE=MyISAM;
+#INSERT INTO t VALUES ('2002-12-20 12:01:20','',1,"aaa","bbb");
+#select * from t into outfile "check";
 #drop table if exists t;

sql/field.cc

@@ -2844,7 +2844,6 @@ String *Field_timestamp::val_str(String *val_buffer,
   val_buffer->alloc(field_length+1);
   char *to=(char*) val_buffer->ptr(),*end=to+field_length;
   val_buffer->length(field_length);
-  val_buffer->set_charset(val_ptr->charset());
 
 #ifdef WORDS_BIGENDIAN
   if (table->db_low_byte_first)

sql/item.cc

@@ -220,6 +220,7 @@ String *Item_field::str_result(String *str)
 {
   if ((null_value=result_field->is_null()))
     return 0;
+  str->set_charset(str_value.charset());
   return result_field->val_str(str,&str_value);
 }