def delete_row(table_id, instance):
"""
This creates one query per delete so could potentially be very slow.
If you need to delete rows in batches it would be better to add a method
to the pyft library following the pattern for insert() batches
"""
fusion_table = FusionTable(table_id)
table_content_type = ContentType.objects.get_for_model(instance)
row_id = get_fusion_table_row_id_for_instance(table_content_type, instance)
if row_id is not None:
query = SQL().delete(table_id, row_id)
fusion_table.run_query(query)
FusionTableRowId.objects\
.get(content_type = table_content_type, object_id = instance.pk)\
.delete()
