CreateQuery demo_loan_01568 (children 3)
 Identifier demo_loan_01568
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 2)
    DataType Int64
    Literal \'id\'
   ColumnDeclaration date_stat (children 2)
    DataType Date
    Literal \'date of stat\'
   ColumnDeclaration customer_no (children 2)
    DataType String
    Literal \'customer no\'
   ColumnDeclaration loan_principal (children 2)
    DataType Float64
    Literal \'loan principal\'
 Storage definition (children 3)
  Function ReplacingMergeTree (children 1)
   ExpressionList
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier date_stat
  Identifier id