CreateQuery table_2009_part (children 3)
 Identifier table_2009_part
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration i (children 1)
    DataType Int64
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration s (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier d
  Identifier i
