Merge from mysql-5.0-bugteam into mysql-5.1-bugteam

mysql-test/r/partition_not_windows.result:
  Update warning number due to new errors appearing earlier
  in the list.
mysql-test/r/partition_symlink.result:
  Update warning number due to new errors appearing earlier
  in the list.
mysql-test/r/symlink.result:
  Update warning number due to new errors appearing earlier
  in the list.

mysql-test/r/group_by.result

@@ -1274,6 +1274,36 @@ tt
 41
 SET sql_mode=@save_sql_mode;
 DROP TABLE t1, t2;
+# 
+# BUG#38072: Wrong result: HAVING not observed in a query with aggregate
+# 
+CREATE TABLE t1 (
+pk int(11) NOT NULL AUTO_INCREMENT,
+int_nokey int(11) NOT NULL,
+int_key int(11) NOT NULL,
+varchar_key varchar(1) NOT NULL,
+varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY int_key (int_key),
+KEY varchar_key (varchar_key)
+);
+INSERT INTO t1 VALUES 
+(1,5,5, 'h','h'),
+(2,1,1, '{','{'),
+(3,1,1, 'z','z'),
+(4,8,8, 'x','x'),
+(5,7,7, 'o','o'),
+(6,3,3, 'p','p'),
+(7,9,9, 'c','c'),
+(8,0,0, 'k','k'),
+(9,6,6, 't','t'),
+(10,0,0,'c','c');
+explain SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible HAVING
+SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
+X
+drop table t1;
 End of 5.0 tests
 CREATE TABLE t1 (a INT, b INT,
 PRIMARY KEY (a),

mysql-test/r/partition_not_windows.result

@@ -24,8 +24,8 @@ data directory='/not/existing'
   index directory='/not/existing'
 );
 Warnings:
-Warning	1616	<DATA DIRECTORY> option ignored
-Warning	1616	<INDEX DIRECTORY> option ignored
+Warning	1618	<DATA DIRECTORY> option ignored
+Warning	1618	<INDEX DIRECTORY> option ignored
 show create table t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (

mysql-test/r/partition_symlink.result

@@ -101,8 +101,8 @@ data directory='/not/existing'
     index directory='/not/existing'
 );
 Warnings:
-Warning	1616	<DATA DIRECTORY> option ignored
-Warning	1616	<INDEX DIRECTORY> option ignored
+Warning	1618	<DATA DIRECTORY> option ignored
+Warning	1618	<INDEX DIRECTORY> option ignored
 show create table t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (

mysql-test/r/symlink.result

@@ -79,7 +79,7 @@ drop database mysqltest;
 create table t1 (a int not null) engine=myisam;
 alter table t1 data directory="MYSQLTEST_VARDIR/tmp";
 Warnings:
-Warning	1616	<DATA DIRECTORY> option ignored
+Warning	1618	<DATA DIRECTORY> option ignored
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
@@ -88,7 +88,7 @@ t1	CREATE TABLE `t1` (
 alter table t1 add b int;
 alter table t1 data directory="MYSQLTEST_VARDIR/log";
 Warnings:
-Warning	1616	<DATA DIRECTORY> option ignored
+Warning	1618	<DATA DIRECTORY> option ignored
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
@@ -97,7 +97,7 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 alter table t1 index directory="MYSQLTEST_VARDIR/log";
 Warnings:
-Warning	1616	<INDEX DIRECTORY> option ignored
+Warning	1618	<INDEX DIRECTORY> option ignored
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
@@ -164,8 +164,8 @@ ERROR HY000: Can't create/write to file 'TEST_DIR/master-data_var/t1.MYI' (Errco
 SET @OLD_SQL_MODE=@@SQL_MODE, @@SQL_MODE='NO_DIR_IN_CREATE';
 CREATE TABLE t1(a INT) DATA DIRECTORY='MYSQLTEST_VARDIR/tmp' INDEX DIRECTORY='MYSQLTEST_VARDIR/tmp';
 Warnings:
-Warning	1616	<DATA DIRECTORY> option ignored
-Warning	1616	<INDEX DIRECTORY> option ignored
+Warning	1618	<DATA DIRECTORY> option ignored
+Warning	1618	<INDEX DIRECTORY> option ignored
 DROP TABLE t1;
 SET @@SQL_MODE=@OLD_SQL_MODE;
 End of 5.1 tests

mysql-test/t/group_by.test

@@ -940,6 +940,35 @@ select (select sum(outr.a + t1.a) from t1 limit 1) as tt from t1 as outr order b
 SET sql_mode=@save_sql_mode;
 DROP TABLE t1, t2;
 
+--echo # 
+--echo # BUG#38072: Wrong result: HAVING not observed in a query with aggregate
+--echo # 
+CREATE TABLE t1 (
+  pk int(11) NOT NULL AUTO_INCREMENT,
+  int_nokey int(11) NOT NULL,
+  int_key int(11) NOT NULL,
+  varchar_key varchar(1) NOT NULL,
+  varchar_nokey varchar(1) NOT NULL,
+  PRIMARY KEY (pk),
+  KEY int_key (int_key),
+  KEY varchar_key (varchar_key)
+);
+INSERT INTO t1 VALUES 
+(1,5,5, 'h','h'),
+(2,1,1, '{','{'),
+(3,1,1, 'z','z'),
+(4,8,8, 'x','x'),
+(5,7,7, 'o','o'),
+(6,3,3, 'p','p'),
+(7,9,9, 'c','c'),
+(8,0,0, 'k','k'),
+(9,6,6, 't','t'),
+(10,0,0,'c','c');
+
+explain SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
+SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
+drop table t1;
+  
 --echo End of 5.0 tests
 # Bug #21174: Index degrades sort performance and 
 #             optimizer does not honor IGNORE INDEX.

sql/sql_select.h

@@ -514,7 +514,7 @@ class JOIN :public Sql_alloc
   bool send_row_on_empty_set()
   {
     return (do_send_rows && tmp_table_param.sum_func_count != 0 &&
-	    !group_list);
+	    !group_list && having_value != Item::COND_FALSE);
   }
   bool change_result(select_result *result);
   bool is_top_level_join() const

zlib/gzio.c

@@ -7,6 +7,11 @@
 
 /* @(#) $Id$ */
 
+/* Need to be included "early" to control other headers */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 
 #include "zutil.h"