CreateQuery nullable_00465 (children 3)
 Identifier nullable_00465
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType UInt32
   ColumnDeclaration cat (children 1)
    DataType String
 Storage definition (children 1)
  Function Log