insertAll method
Implementation
Future<List<RowData>> insertAll(Object table, {required Iterable<List<ColumnValue>> rows, Returning? returning}) async {
assert(rows.isNotEmpty);
return await insertAllValues(
table,
columns: rows.first.map((e) => e.key),
rows: rows.map((row) => row.mapList((e) => e.value)),
returning: returning,
);
}