CreateQuery merge_distributed1 (children 3)
 Identifier merge_distributed1
 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 CollapsingMergeTree (children 1)
   ExpressionList (children 5)
    Identifier StartDate
    Function intHash32 (children 1)
     ExpressionList (children 1)
      Identifier UserID
    Function tuple (children 1)
     ExpressionList (children 5)
      Identifier CounterID
      Identifier StartDate
      Function intHash32 (children 1)
       ExpressionList (children 1)
        Identifier UserID
      Identifier VisitID
      Identifier ClickLogID
    Literal UInt64_8192
    Identifier Sign