CreateQuery merge_distributed (children 3)
 Identifier merge_distributed
 Columns definition (children 1)
  ExpressionList (children 7)
   ColumnDeclaration CounterID (children 1)
    DataType UInt32
   ColumnDeclaration StartDate (children 1)
    DataType Date
   ColumnDeclaration Sign (children 1)
    DataType Int8
   ColumnDeclaration VisitID (children 1)
    DataType UInt64
   ColumnDeclaration UserID (children 1)
    DataType UInt64
   ColumnDeclaration StartTime (children 1)
    DataType DateTime
   ColumnDeclaration ClickLogID (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 3)
    Identifier test_shard_localhost
    Function currentDatabase (children 1)
     ExpressionList
    Identifier merge_distributed1