Merge bk-internal.mysql.com:/data0/bk/mysql-5.1

into  bk-internal.mysql.com:/data0/bk/mysql-5.1-kt

mysql-test/r/log_state.result

@@ -14,15 +14,15 @@ set global general_log= ON;
 create table t1(f1 int);
 select * from mysql.general_log;
 event_time	user_host	thread_id	server_id	command_type	argument
-TIMESTAMP	root[root] @ localhost []	#	1	Query	create table t1(f1 int)
-TIMESTAMP	root[root] @ localhost []	#	1	Query	select * from mysql.general_log
+TIMESTAMP	USER_HOST	#	1	Query	create table t1(f1 int)
+TIMESTAMP	USER_HOST	#	1	Query	select * from mysql.general_log
 set global general_log= OFF;
 drop table t1;
 select * from mysql.general_log;
 event_time	user_host	thread_id	server_id	command_type	argument
-TIMESTAMP	root[root] @ localhost []	#	1	Query	create table t1(f1 int)
-TIMESTAMP	root[root] @ localhost []	#	1	Query	select * from mysql.general_log
-TIMESTAMP	root[root] @ localhost []	#	1	Query	set global general_log= OFF
+TIMESTAMP	USER_HOST	#	1	Query	create table t1(f1 int)
+TIMESTAMP	USER_HOST	#	1	Query	select * from mysql.general_log
+TIMESTAMP	USER_HOST	#	1	Query	set global general_log= OFF
 set global general_log= ON;
 flush logs;
 show global variables
@@ -46,7 +46,7 @@ sleep(2)
 0
 select * from mysql.slow_log;
 start_time	user_host	query_time	lock_time	rows_sent	rows_examined	db	last_insert_id	insert_id	server_id	sql_text
-TIMESTAMP,	root[root] @ localhost []	USER_HOST,	QUERY_TIME	1	0	test	0	0	1	select sleep(2)
+TIMESTAMP	USER_HOST	QUERY_TIME	00:00:00	1	0	test	0	0	1	select sleep(2)
 show global variables
 where Variable_name = 'log' or Variable_name = 'log_slow_queries' or
 Variable_name = 'general_log' or Variable_name = 'slow_query_log';
@@ -67,9 +67,9 @@ create table t1(f1 int);
 drop table t1;
 select * from mysql.general_log;
 event_time	user_host	thread_id	server_id	command_type	argument
-TIMESTAMP	root[root] @ localhost []	#	1	Query	create table t1(f1 int)
-TIMESTAMP	root[root] @ localhost []	#	1	Query	drop table t1
-TIMESTAMP	root[root] @ localhost []	#	1	Query	select * from mysql.general_log
+TIMESTAMP	USER_HOST	#	1	Query	create table t1(f1 int)
+TIMESTAMP	USER_HOST	#	1	Query	drop table t1
+TIMESTAMP	USER_HOST	#	1	Query	select * from mysql.general_log
 set global general_log= OFF;
 truncate table mysql.general_log;
 select * from mysql.general_log;
@@ -151,5 +151,5 @@ set global general_log=ON;
 drop table t1;
 select * from mysql.general_log;
 event_time	user_host	thread_id	server_id	command_type	argument
-TIMESTAMP	root[root] @ localhost []	#	1	Query	drop table t1
-TIMESTAMP	root[root] @ localhost []	#	1	Query	select * from mysql.general_log
+TIMESTAMP	USER_HOST	#	1	Query	drop table t1
+TIMESTAMP	USER_HOST	#	1	Query	select * from mysql.general_log

mysql-test/r/partition_innodb.result

@@ -92,3 +92,18 @@ DROP TABLE IF EXISTS t1;
 DROP TABLE IF EXISTS t0_aux;
 DROP TABLE IF EXISTS t0_definition;
 DROP TABLE IF EXISTS t0_template;
+create table t1 (id varchar(64) primary key) engine=innodb
+partition by key(id) partitions 5;
+insert into t1 values ('a');
+insert into t1 values ('aa');
+insert into t1 values ('aaa');
+select * from t1 where id = 'a';
+id
+a
+select * from t1 where id = 'aa';
+id
+aa
+select * from t1 where id = 'aaa';
+id
+aaa
+drop table t1;

mysql-test/r/partition_pruning.result

@@ -31,7 +31,7 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	p0,p1	ALL	NULL	NULL	NULL	NULL	3	Using where
 explain partitions select * from t2 where a=1 and b=1;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	p0	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	SIMPLE	t2	p0	ALL	NULL	NULL	NULL	NULL	2	Using where
 create table t3 (
 a int
 )

mysql-test/r/renamedb.result

@@ -27,3 +27,7 @@ a
 2
 3
 drop database testdb2;
+create database testdb1;
+rename database testdb1 to testdb1;
+ERROR HY000: Can't create database 'testdb1'; database exists
+drop database testdb1;

mysql-test/t/log_state.test

@@ -11,11 +11,11 @@ Variable_name = 'general_log' or Variable_name = 'slow_query_log';
 flush logs;
 set global general_log= ON;
 create table t1(f1 int);
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 set global general_log= OFF;
 drop table t1;
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 set global general_log= ON;
 flush logs;
@@ -27,7 +27,7 @@ connect (con1,localhost,root,,);
 connection con1;
 set session long_query_time=1;
 select sleep(2);
---replace_column 1 TIMESTAMP, 3 USER_HOST, 4 QUERY_TIME
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 QUERY_TIME
 select * from mysql.slow_log;
 connection default;
 
@@ -35,7 +35,7 @@ set global slow_query_log= ON;
 connection con1;
 set session long_query_time=1;
 select sleep(2);
---replace_column 1 TIMESTAMP, 3 USER_HOST, 4 QUERY_TIME
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 QUERY_TIME
 select * from mysql.slow_log;
 disconnect con1;
 connection default;
@@ -54,11 +54,11 @@ set global general_log= ON;
 truncate table mysql.general_log;
 create table t1(f1 int);
 drop table t1;
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 set global general_log= OFF;
 truncate table mysql.general_log;
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 set global general_log= ON;
 show global variables
@@ -109,14 +109,14 @@ truncate table mysql.general_log;
 show variables like 'log_output';
 set global general_log=ON;
 create table t1(f1 int);
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 set global general_log=OFF;
 set global log_output="FILE,TABLE";
 show variables like 'log_output';
 set global general_log=ON;
 drop table t1;
---replace_column 1 TIMESTAMP 3 #
+--replace_column 1 TIMESTAMP 2 USER_HOST 3 #
 select * from mysql.general_log;
 
 --enable_ps_protocol

mysql-test/t/partition_innodb.test

@@ -66,3 +66,15 @@ DROP TABLE IF EXISTS t0_definition;
 DROP TABLE IF EXISTS t0_template;
 --enable_warnings
 
+#
+# Bug#20086: Can't get data from key partitioned tables with VARCHAR key
+#
+create table t1 (id varchar(64) primary key) engine=innodb
+partition by key(id) partitions 5;
+insert into t1 values ('a');
+insert into t1 values ('aa');
+insert into t1 values ('aaa');
+select * from t1 where id = 'a';
+select * from t1 where id = 'aa';
+select * from t1 where id = 'aaa';
+drop table t1;

mysql-test/t/renamedb.test

@@ -16,3 +16,11 @@ select database();
 show tables;
 select a from t1 order by a;
 drop database testdb2;
+
+#
+# Bug#19392 Rename Database: Crash if case change
+#
+create database testdb1;
+--error 1007
+rename database testdb1 to testdb1;
+drop database testdb1;

sql/field.cc

@@ -1243,6 +1243,21 @@ uint Field::offset()
 }
 
 
+void Field::hash(ulong *nr, ulong *nr2)
+{
+  if (is_null())
+  {
+    *nr^= (*nr << 1) | 1;
+  }
+  else
+  {
+    uint len= pack_length();
+    CHARSET_INFO *cs= charset();
+    cs->coll->hash_sort(cs, (uchar*) ptr, len, nr, nr2);
+  }
+}
+
+
 void Field::copy_from_tmp(int row_offset)
 {
   memcpy(ptr,ptr+row_offset,pack_length());
@@ -6925,6 +6940,21 @@ uint Field_varstring::is_equal(create_field *new_field)
 }
 
 
+void Field_varstring::hash(ulong *nr, ulong *nr2)
+{
+  if (is_null())
+  {
+    *nr^= (*nr << 1) | 1;
+  }
+  else
+  {
+    uint len=  length_bytes == 1 ? (uint) (uchar) *ptr : uint2korr(ptr);
+    CHARSET_INFO *cs= charset();
+    cs->coll->hash_sort(cs, (uchar*) ptr + length_bytes, len, nr, nr2);
+  }
+}
+
+
 /****************************************************************************
 ** blob type
 ** A blob is saved as a length and a pointer. The length is stored in the

sql/field.h

@@ -351,6 +351,8 @@ class Field
     return field_length / charset()->mbmaxlen;
   }
 
+  /* Hash value */
+  virtual void hash(ulong *nr, ulong *nr2);
   friend bool reopen_table(THD *,struct st_table *,bool);
   friend int cre_myisam(my_string name, register TABLE *form, uint options,
 			ulonglong auto_increment_value);
@@ -1120,6 +1122,7 @@ class Field_varstring :public Field_longstr {
                        char *new_ptr, uchar *new_null_ptr,
                        uint new_null_bit);
   uint is_equal(create_field *new_field);
+  void hash(ulong *nr, ulong *nr2);
 };
 
 

sql/key.cc

@@ -210,9 +210,13 @@ void key_restore(byte *to_record, byte *from_key, KEY *key_info,
     }
     else if (key_part->key_part_flag & HA_VAR_LENGTH_PART)
     {
+      my_bitmap_map *old_map;
       key_length-= HA_KEY_BLOB_LENGTH;
       length= min(key_length, key_part->length);
+      old_map= dbug_tmp_use_all_columns(key_part->field->table,
+                                        key_part->field->table->write_set);
       key_part->field->set_key_image((char *) from_key, length);
+      dbug_tmp_restore_column_map(key_part->field->table->write_set, old_map);
       from_key+= HA_KEY_BLOB_LENGTH;
     }
     else

sql/sql_db.cc

@@ -134,8 +134,8 @@ void lock_db_delete(const char *name, uint length)
 {
   my_dblock_t *opt;
   safe_mutex_assert_owner(&LOCK_lock_db);
-  opt= (my_dblock_t *)hash_search(&lock_db_cache, (const byte*) name, length);
-  DBUG_ASSERT(opt != NULL);
+  if ((opt= (my_dblock_t *)hash_search(&lock_db_cache,
+                                       (const byte*) name, length)))
     hash_delete(&lock_db_cache, (byte*) opt);
 }
 

sql/sql_partition.cc

@@ -2103,26 +2103,15 @@ static inline longlong part_val_int(Item *item_expr)
 
 static uint32 calculate_key_value(Field **field_array)
 {
-  uint32 hashnr= 0;
+  ulong nr1= 1;
   ulong nr2= 4;
 
   do
   {
     Field *field= *field_array;
-    if (field->is_null())
-    {
-      hashnr^= (hashnr << 1) | 1;
-    }
-    else
-    {
-      uint len= field->pack_length();
-      ulong nr1= 1;
-      CHARSET_INFO *cs= field->charset();
-      cs->coll->hash_sort(cs, (uchar*)field->ptr, len, &nr1, &nr2);
-      hashnr^= (uint32)nr1;
-    }
+    field->hash(&nr1, &nr2);
   } while (*(++field_array));
-  return hashnr;
+  return (uint32) nr1;
 }