Merge mysql.com:/home/hf/work/mysql-5.0-0mrg

into  mysql.com:/home/hf/work/mysql-5.1-mrg

client/mysqltest.c

@@ -475,7 +475,6 @@ void handle_error(struct st_command*,
                   const char *err_sqlstate, DYNAMIC_STRING *ds);
 void handle_no_error(struct st_command*);
 
-
 #ifdef EMBEDDED_LIBRARY
 /*
   send_one_query executes query in separate thread what is

mysql-test/r/metadata.result

@@ -96,3 +96,37 @@ i
 2
 affected rows: 1
 affected rows: 0
+create table t1 (id int(10));
+insert into t1 values (1);
+CREATE  VIEW v1 AS select t1.id as id from t1;
+CREATE  VIEW v2 AS select t1.id as renamed from t1;
+CREATE  VIEW v3 AS select t1.id + 12 as renamed from t1;
+select * from v1 group by id limit 1;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	t1	v1	id	id	3	10	1	Y	32768	0	63
+id
+1
+select * from v1 group by id limit 0;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	t1	v1	id	id	3	10	0	Y	32768	0	63
+id
+select * from v1 where id=1000 group by id;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	t1	v1	id	id	3	10	0	Y	32768	0	63
+id
+select * from v1 where id=1 group by id;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	t1	v1	id	id	3	10	1	Y	32768	0	63
+id
+1
+select * from v2 where renamed=1 group by renamed;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	t1	v2	id	renamed	3	10	1	Y	32768	0	63
+renamed
+1
+select * from v3 where renamed=1 group by renamed;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def			v3		renamed	8	12	0	Y	32896	0	63
+renamed
+drop table t1;
+drop view v1,v2,v3;

mysql-test/r/order_by.result

@@ -760,13 +760,6 @@ xxxxxxxxxxxxxxxxxxxaa
 xxxxxxxxxxxxxxxxxxxx
 xxxxxxxxxxxxxxxxxxxz
 drop table t1;
-create table t1 (a int not null, b  int not null, c int not null);
-insert t1 values (1,1,1),(1,1,2),(1,2,1);
-select a, b from t1 group by a, b order by sum(c);
-a	b
-1	2
-1	1
-drop table t1;
 create table t1 (
 `sid` decimal(8,0) default null,
 `wnid` varchar(11) not null default '',
@@ -881,6 +874,13 @@ num	(select num + 2 FROM t1 LIMIT 1)
 SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
 ERROR 42S22: Unknown column 'num' in 'on clause'
 DROP TABLE t1;
+create table t1 (a int not null, b  int not null, c int not null);
+insert t1 values (1,1,1),(1,1,2),(1,2,1);
+select a, b from t1 group by a, b order by sum(c);
+a	b
+1	2
+1	1
+drop table t1;
 CREATE TABLE t1 (a int, b int, PRIMARY KEY  (a));
 INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
 explain SELECT t1.b as a, t2.b as c FROM 

mysql-test/r/query_cache.result

@@ -1276,3 +1276,51 @@ Variable_name	Value
 Last_query_cost	0.000000
 drop table t1;
 SET GLOBAL query_cache_size=0;
+set global query_cache_size=1024*1024;
+flush status;
+create table t1 (a int);
+insert into t1 (a) values (1), (2), (3);
+select * from t1;
+a
+1
+2
+3
+show status like 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	0
+select * from t1;
+a
+1
+2
+3
+show status like 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	1
+create table t2 like t1;
+select * from t1;
+a
+1
+2
+3
+show status like 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	2
+insert into t2 select * from t1;
+select * from t1;
+a
+1
+2
+3
+show status like 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	3
+drop table t1, t2;
+create table t1(c1 int);
+create table t2(c1 int);
+create table t3(c1 int);
+create view v1 as select t3.c1 as c1 from t3,t2 where t3.c1 = t2.c1;
+start transaction;
+insert into t1(c1) select c1 from v1;
+drop table t1, t2, t3;
+drop view v1;
+set global query_cache_size=0;

mysql-test/t/metadata.test

@@ -61,4 +61,23 @@ drop table t1;//
 delimiter ;//
 --disable_info
 
+#
+# Bug #20191: getTableName gives wrong or inconsistent result when using VIEWs
+#
+--enable_metadata
+create table t1 (id int(10));
+insert into t1 values (1);
+CREATE  VIEW v1 AS select t1.id as id from t1;
+CREATE  VIEW v2 AS select t1.id as renamed from t1;
+CREATE  VIEW v3 AS select t1.id + 12 as renamed from t1;
+select * from v1 group by id limit 1;
+select * from v1 group by id limit 0;
+select * from v1 where id=1000 group by id;
+select * from v1 where id=1 group by id;
+select * from v2 where renamed=1 group by renamed;
+select * from v3 where renamed=1 group by renamed;
+drop table t1;
+drop view v1,v2,v3;
+--disable_metadata
+
 # End of 4.1 tests

mysql-test/t/mysql.test

@@ -142,6 +142,24 @@ drop table t1;
 --exec $MYSQL -e 'help ' > $MYSQLTEST_VARDIR/tmp/bug20328_2.result
 --exec diff $MYSQLTEST_VARDIR/tmp/bug20328_1.result $MYSQLTEST_VARDIR/tmp/bug20328_2.result
 
+#
+# Bug #19216: Client crashes on long SELECT
+#
+--exec echo "select" > $MYSQLTEST_VARDIR/tmp/b19216.tmp
+# 3400 * 20 makes 68000 columns that is more than the max number that can fit 
+# in a 16 bit number.
+let $i= 3400;
+while ($i)
+{
+  --exec echo "'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a'," >> $MYSQLTEST_VARDIR/tmp/b19216.tmp
+  dec $i;
+}
+
+--exec echo "'b';" >> $MYSQLTEST_VARDIR/tmp/b19216.tmp
+--disable_query_log
+--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/b19216.tmp >/dev/null
+--enable_query_log
+
 #
 # Bug #20103: Escaping with backslash does not work
 #

mysql-test/t/order_by.test

@@ -514,11 +514,6 @@ set max_sort_length=20;
 select a from t1 order by a;
 drop table t1;
 
-create table t1 (a int not null, b  int not null, c int not null);
-insert t1 values (1,1,1),(1,1,2),(1,2,1);
-select a, b from t1 group by a, b order by sum(c);
-drop table t1;
-
 #
 # Bug #7331
 #
@@ -594,6 +589,10 @@ SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
 DROP TABLE t1;
 
 # End of 4.1 tests
+create table t1 (a int not null, b  int not null, c int not null);
+insert t1 values (1,1,1),(1,1,2),(1,2,1);
+select a, b from t1 group by a, b order by sum(c);
+drop table t1;
 
 #
 # Bug#21302: Result not properly sorted when using an ORDER BY on a second 

mysql-test/t/query_cache.test

@@ -877,3 +877,32 @@ select * from t1 where a > 3;
 show status like 'last_query_cost';
 drop table t1;
 SET GLOBAL query_cache_size=0;
+
+#
+# Bug #20045: Server crash on INSERT ... SELECT ... FROM non-mergeable view
+#
+set global query_cache_size=1024*1024;
+flush status;
+create table t1 (a int);
+insert into t1 (a) values (1), (2), (3);
+select * from t1;
+show status like 'Qcache_hits';
+select * from t1;
+show status like 'Qcache_hits';
+create table t2 like t1;
+select * from t1;
+show status like 'Qcache_hits';
+insert into t2 select * from t1;
+select * from t1;
+show status like 'Qcache_hits';
+drop table t1, t2;
+
+create table t1(c1 int);
+create table t2(c1 int);
+create table t3(c1 int);
+create view v1 as select t3.c1 as c1 from t3,t2 where t3.c1 = t2.c1;
+start transaction;
+insert into t1(c1) select c1 from v1;
+drop table t1, t2, t3;
+drop view v1;
+set global query_cache_size=0;

sql/item.cc

@@ -4288,6 +4288,10 @@ void Item_field::make_field(Send_field *tmp_field)
   DBUG_ASSERT(tmp_field->table_name != 0);
   if (name)
     tmp_field->col_name=name;			// Use user supplied name
+  if (table_name)
+    tmp_field->table_name= table_name;
+  if (db_name)
+    tmp_field->db_name= db_name;
 }
 
 

sql/sql_parse.cc

@@ -3475,8 +3475,12 @@ end_with_restore_list:
         if (first_table->lock_type ==  TL_WRITE_CONCURRENT_INSERT &&
             thd->lock)
         {
+          /* INSERT ... SELECT should invalidate only the very first table */
+          TABLE_LIST *save_table= first_table->next_local;
+          first_table->next_local= 0;
           mysql_unlock_tables(thd, thd->lock);
           query_cache_invalidate3(thd, first_table, 1);
+          first_table->next_local= save_table;
           thd->lock=0;
         }
         delete result;

sql/sql_select.cc

@@ -13833,9 +13833,16 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
     if (real_pos->type() == Item::FIELD_ITEM)
     {
       Item_field *item;
-      pos= real_pos;
+      if (!(item= new Item_field(thd, ((Item_field*) real_pos))))
-      if (!(item= new Item_field(thd, ((Item_field*) pos))))
 	goto err;
+      if (pos->type() == Item::REF_ITEM)
+      {
+        /* preserve the names of the ref when dereferncing */
+        Item_ref *ref= (Item_ref *) pos;
+        item->db_name= ref->db_name;
+        item->table_name= ref->table_name;
+        item->name= ref->name;
+      }
       pos= item;
       if (item->field->flags & BLOB_FLAG)
       {