CounterID	UInt32					
dummy	String					
StartDate	Date					
Sign	Int8					
VisitID	UInt64					
UserID	UInt64					
StartTime	DateTime					
ClickLogID	UInt64					
CREATE TABLE default.merge_distributed\n(\n    `CounterID` UInt32,\n    `dummy` String,\n    `StartDate` Date,\n    `Sign` Int8,\n    `VisitID` UInt64,\n    `UserID` UInt64,\n    `StartTime` DateTime,\n    `ClickLogID` UInt64\n)\nENGINE = Distributed(\'test_shard_localhost\', \'default\', \'merge_distributed1\')
1	Hello, Alter Table!
CounterID	UInt32					
StartDate	Date					
Sign	Int8					
VisitID	UInt64					
UserID	UInt64					
StartTime	DateTime					
ClickLogID	UInt64					
CREATE TABLE default.merge_distributed\n(\n    `CounterID` UInt32,\n    `StartDate` Date,\n    `Sign` Int8,\n    `VisitID` UInt64,\n    `UserID` UInt64,\n    `StartTime` DateTime,\n    `ClickLogID` UInt64\n)\nENGINE = Distributed(\'test_shard_localhost\', \'default\', \'merge_distributed1\')