Backporting to 5.1.43sp1 patch

mysql-test/r/partition_innodb.result

@@ -274,3 +274,47 @@ CREATE TABLE t1 (a INT) ENGINE=InnoDB
 PARTITION BY list(a) (PARTITION p1 VALUES IN (1));
 CREATE INDEX i1 ON t1 (a);
 DROP TABLE t1;
+#
+# Bug#47343: InnoDB fails to clean-up after lock wait timeout on
+#            REORGANIZE PARTITION
+#
+CREATE TABLE t1 (
+a INT,
+b DATE NOT NULL,
+PRIMARY KEY (a, b)
+) ENGINE=InnoDB
+PARTITION BY RANGE (a) (
+PARTITION pMAX VALUES LESS THAN MAXVALUE
+) ;
+INSERT INTO t1 VALUES (1, '2001-01-01'), (2, '2002-02-02'), (3, '2003-03-03');
+START TRANSACTION;
+SELECT * FROM t1 FOR UPDATE;
+a	b
+1	2001-01-01
+2	2002-02-02
+3	2003-03-03
+# Connection con1
+ALTER TABLE t1 REORGANIZE PARTITION pMAX INTO
+(PARTITION p3 VALUES LESS THAN (3),
+PARTITION pMAX VALUES LESS THAN MAXVALUE);
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+SHOW WARNINGS;
+Level	Code	Message
+Error	1205	Lock wait timeout exceeded; try restarting transaction
+ALTER TABLE t1 REORGANIZE PARTITION pMAX INTO
+(PARTITION p3 VALUES LESS THAN (3),
+PARTITION pMAX VALUES LESS THAN MAXVALUE);
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+SHOW WARNINGS;
+Level	Code	Message
+Error	1205	Lock wait timeout exceeded; try restarting transaction
+t1.frm
+t1.par
+# Connection default
+SELECT * FROM t1;
+a	b
+1	2001-01-01
+2	2002-02-02
+3	2003-03-03
+COMMIT;
+DROP TABLE t1;

mysql-test/t/partition_innodb-master.opt

+--innodb_lock_wait_timeout=1

mysql-test/t/partition_innodb.test

@@ -5,6 +5,8 @@
 drop table if exists t1;
 --enable_warnings
 
+let $MYSQLD_DATADIR= `SELECT @@datadir`;
+
 #
 # Bug#47029: Crash when reorganize partition with subpartition
 #
@@ -296,6 +298,47 @@ CREATE TABLE t1 (a INT) ENGINE=InnoDB
   PARTITION BY list(a) (PARTITION p1 VALUES IN (1));
 CREATE INDEX i1 ON t1 (a);
 DROP TABLE t1;
-let $MYSQLD_DATADIR= `SELECT @@datadir`;
+
 # Before the fix it should show extra file like #sql-2405_2.par
 --list_files $MYSQLD_DATADIR/test/ *
+
+--echo #
+--echo # Bug#47343: InnoDB fails to clean-up after lock wait timeout on
+--echo #            REORGANIZE PARTITION
+--echo #
+CREATE TABLE t1 (
+	a INT,
+	b DATE NOT NULL,
+	PRIMARY KEY (a, b)
+) ENGINE=InnoDB
+PARTITION BY RANGE (a) (
+	PARTITION pMAX VALUES LESS THAN MAXVALUE
+) ;
+
+INSERT INTO t1 VALUES (1, '2001-01-01'), (2, '2002-02-02'), (3, '2003-03-03');
+
+START TRANSACTION;
+SELECT * FROM t1 FOR UPDATE;
+
+connect (con1, localhost, root,,);
+--echo # Connection con1
+--error ER_LOCK_WAIT_TIMEOUT
+ALTER TABLE t1 REORGANIZE PARTITION pMAX INTO
+(PARTITION p3 VALUES LESS THAN (3),
+ PARTITION pMAX VALUES LESS THAN MAXVALUE);
+SHOW WARNINGS;
+--error ER_LOCK_WAIT_TIMEOUT
+ALTER TABLE t1 REORGANIZE PARTITION pMAX INTO
+(PARTITION p3 VALUES LESS THAN (3),
+ PARTITION pMAX VALUES LESS THAN MAXVALUE);
+SHOW WARNINGS;
+
+#Contents of the 'test' database directory:
+--list_files $MYSQLD_DATADIR/test
+
+disconnect con1;
+connection default;
+--echo # Connection default
+SELECT * FROM t1;
+COMMIT;
+DROP TABLE t1;

sql/ha_partition.cc

@@ -1215,17 +1215,28 @@ int ha_partition::prepare_new_partition(TABLE *tbl,
                                         partition_element *p_elem)
 {
   int error;
-  bool create_flag= FALSE;
   DBUG_ENTER("prepare_new_partition");
 
   if ((error= set_up_table_before_create(tbl, part_name, create_info,
                                          0, p_elem)))
-    goto error;
+    goto error_create;
   if ((error= file->ha_create(part_name, tbl, create_info)))
-    goto error;
-  create_flag= TRUE;
+  {
+    /*
+      Added for safety, InnoDB reports HA_ERR_FOUND_DUPP_KEY
+      if the table/partition already exists.
+      If we return that error code, then print_error would try to
+      get_dup_key on a non-existing partition.
+      So return a more reasonable error code.
+    */
+    if (error == HA_ERR_FOUND_DUPP_KEY)
+      error= HA_ERR_TABLE_EXIST;
+    goto error_create;
+  }
+  DBUG_PRINT("info", ("partition %s created", part_name));
   if ((error= file->ha_open(tbl, part_name, m_mode, m_open_test_lock)))
-    goto error;
+    goto error_open;
+  DBUG_PRINT("info", ("partition %s opened", part_name));
   /*
     Note: if you plan to add another call that may return failure,
     better to do it before external_lock() as cleanup_new_partition()
@@ -1233,12 +1244,15 @@ int ha_partition::prepare_new_partition(TABLE *tbl,
     Otherwise see description for cleanup_new_partition().
   */
   if ((error= file->ha_external_lock(ha_thd(), m_lock_type)))
-    goto error;
+    goto error_external_lock;
+  DBUG_PRINT("info", ("partition %s external locked", part_name));
 
   DBUG_RETURN(0);
-error:
-  if (create_flag)
+error_external_lock:
+  VOID(file->close());
+error_open:
   VOID(file->ha_delete_table(part_name));
+error_create:
   DBUG_RETURN(error);
 }
 
@@ -1272,19 +1286,23 @@ error:
 
 void ha_partition::cleanup_new_partition(uint part_count)
 {
-  handler **save_m_file= m_file;
   DBUG_ENTER("ha_partition::cleanup_new_partition");
 
-  if (m_added_file && m_added_file[0])
+  if (m_added_file)
   {
-    m_file= m_added_file;
-    m_added_file= NULL;
+    THD *thd= ha_thd();
+    handler **file= m_added_file;
+    while ((part_count > 0) && (*file))
+    {
+      (*file)->ha_external_lock(thd, F_UNLCK);
+      (*file)->close();
 
-    external_lock(ha_thd(), F_UNLCK);
-    /* delete_table also needed, a bit more complex */
-    close();
+      /* Leave the (*file)->ha_delete_table(part_name) to the ddl-log */
 
-    m_file= save_m_file;
+      file++;
+      part_count--;
+    }
+    m_added_file= NULL;
   }
   DBUG_VOID_RETURN;
 }
@@ -1590,7 +1608,15 @@ int ha_partition::change_partitions(HA_CREATE_INFO *create_info,
     part_elem->part_state= PART_TO_BE_DROPPED;
   }
   m_new_file= new_file_array;
-  DBUG_RETURN(copy_partitions(copied, deleted));
+  if ((error= copy_partitions(copied, deleted)))
+  {
+    /*
+      Close and unlock the new temporary partitions.
+      They will later be deleted through the ddl-log.
+    */
+    cleanup_new_partition(part_count);
+  }
+  DBUG_RETURN(error);
 }
 
 

sql/sql_parse.cc

@@ -6954,7 +6954,7 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
  /*
    If the query was killed then this function must fail.
  */
- return result || thd->killed;
+ return result || (thd ? thd->killed : 0);
 }
 
 

sql/sql_partition.cc

@@ -5708,8 +5708,7 @@ static bool write_log_drop_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
   part_info->first_log_entry= NULL;
   build_table_filename(path, sizeof(path) - 1, lpt->db,
                        lpt->table_name, "", 0);
-  build_table_filename(tmp_path, sizeof(tmp_path) - 1, lpt->db,
-                       lpt->table_name, "#", 0);
+  build_table_shadow_filename(tmp_path, sizeof(tmp_path) - 1, lpt);
   pthread_mutex_lock(&LOCK_gdl);
   if (write_log_dropped_partitions(lpt, &next_entry, (const char*)path,
                                    FALSE))
@@ -5765,8 +5764,7 @@ static bool write_log_add_change_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
 
   build_table_filename(path, sizeof(path) - 1, lpt->db,
                        lpt->table_name, "", 0);
-  build_table_filename(tmp_path, sizeof(tmp_path) - 1, lpt->db,
-                       lpt->table_name, "#", 0);
+  build_table_shadow_filename(tmp_path, sizeof(tmp_path) - 1, lpt);
   pthread_mutex_lock(&LOCK_gdl);
   if (write_log_dropped_partitions(lpt, &next_entry, (const char*)path,
                                    FALSE))
@@ -5991,7 +5989,7 @@ void handle_alter_part_error(ALTER_PARTITION_PARAM_TYPE *lpt,
   partition_info *part_info= lpt->part_info;
   DBUG_ENTER("handle_alter_part_error");
 
-  if (!part_info->first_log_entry &&
+  if (part_info->first_log_entry &&
       execute_ddl_log_entry(current_thd,
                             part_info->first_log_entry->entry_pos))
   {

sql/sql_table.cc

@@ -647,7 +647,7 @@ static bool read_ddl_log_file_entry(uint entry_no)
   Write one entry from ddl log file
   SYNOPSIS
     write_ddl_log_file_entry()
-    entry_no                     Entry number to read
+    entry_no                     Entry number to write
   RETURN VALUES
     TRUE                         Error
     FALSE                        Success
@@ -748,10 +748,10 @@ static uint read_ddl_log_header()
     else
       successful_open= TRUE;
   }
-  entry_no= uint4korr(&file_entry_buf[DDL_LOG_NUM_ENTRY_POS]);
-  global_ddl_log.name_len= uint4korr(&file_entry_buf[DDL_LOG_NAME_LEN_POS]);
   if (successful_open)
   {
+    entry_no= uint4korr(&file_entry_buf[DDL_LOG_NUM_ENTRY_POS]);
+    global_ddl_log.name_len= uint4korr(&file_entry_buf[DDL_LOG_NAME_LEN_POS]);
     global_ddl_log.io_size= uint4korr(&file_entry_buf[DDL_LOG_IO_SIZE_POS]);
     DBUG_ASSERT(global_ddl_log.io_size <=
                 sizeof(global_ddl_log.file_entry_buf));
@@ -832,6 +832,7 @@ static bool init_ddl_log()
     goto end;
 
   global_ddl_log.io_size= IO_SIZE;
+  global_ddl_log.name_len= FN_LEN;
   create_ddl_log_file_name(file_name);
   if ((global_ddl_log.file_id= my_create(file_name,
                                          CREATE_MODE,
@@ -884,6 +885,13 @@ static int execute_ddl_log_action(THD *thd, DDL_LOG_ENTRY *ddl_log_entry)
   {
     DBUG_RETURN(FALSE);
   }
+  DBUG_PRINT("ddl_log",
+             ("execute type %c next %u name '%s' from_name '%s' handler '%s'",
+             ddl_log_entry->action_type,
+             ddl_log_entry->next_entry,
+             ddl_log_entry->name,
+             ddl_log_entry->from_name,
+             ddl_log_entry->handler_name));
   handler_name.str= (char*)ddl_log_entry->handler_name;
   handler_name.length= strlen(ddl_log_entry->handler_name);
   init_sql_alloc(&mem_root, TABLE_ALLOC_BLOCK_SIZE, 0); 
@@ -1091,6 +1099,15 @@ bool write_ddl_log_entry(DDL_LOG_ENTRY *ddl_log_entry,
     DBUG_RETURN(TRUE);
   }
   error= FALSE;
+  DBUG_PRINT("ddl_log",
+             ("write type %c next %u name '%s' from_name '%s' handler '%s'",
+             (char) global_ddl_log.file_entry_buf[DDL_LOG_ACTION_TYPE_POS],
+             ddl_log_entry->next_entry,
+             (char*) &global_ddl_log.file_entry_buf[DDL_LOG_NAME_POS],
+             (char*) &global_ddl_log.file_entry_buf[DDL_LOG_NAME_POS
+                                                    + FN_LEN],
+             (char*) &global_ddl_log.file_entry_buf[DDL_LOG_NAME_POS
+                                                    + (2*FN_LEN)]));
   if (write_ddl_log_file_entry((*active_entry)->entry_pos))
   {
     error= TRUE;