CreateQuery remote_test (children 3)
 Identifier remote_test
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration uid (children 1)
    DataType String
   ColumnDeclaration its (children 1)
    DataType UInt32
   ColumnDeclaration action_code (children 1)
    DataType String
   ColumnDeclaration day (children 1)
    DataType Date
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 3)
    Identifier day
    Function tuple (children 1)
     ExpressionList (children 2)
      Identifier uid
      Identifier its
    Literal UInt64_8192