appender.rb in duckdb-0.9.0

- old
+ new

@@ -148,17 +148,12 @@
     #     .append_interval('P1Y2D') # => append 1 year 2 days interval.
     #     .end_row
     #     .flush
     #
     def append_interval(value)
-      raise ArgumentError, "Argument `#{value}` must be a string." unless value.is_a?(String)
-
-      hash = iso8601_interval_to_hash(value)
-
-      months, days, micros = hash_to__append_interval_args(hash)
-
-      _append_interval(months, days, micros)
+      value = Interval.to_interval(value)
+      _append_interval(value.interval_months, value.interval_days, value.interval_micros)
     end
 
     #
     # appends value.
     #
@@ -195,9 +190,11 @@
         append_bool(value)
       when Time
         append_timestamp(value)
       when Date
         append_date(value)
+      when DuckDB::Interval
+        append_interval(value)
       else
         raise(DuckDB::Error, "not supported type #{value} (#{value.class})")
       end
     end
 