CreateQuery parallel_replicas_backup (children 3)
 Identifier parallel_replicas_backup
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration d (children 2)
    DataType Date
    Function today (children 1)
     ExpressionList
   ColumnDeclaration x (children 1)
    DataType UInt32
   ColumnDeclaration u (children 1)
    DataType UInt64
   ColumnDeclaration s (children 1)
    DataType String
 Storage definition (children 1)
  Function Memory