Function write_simple_rows

arrow-json/src/writer/mod.rs:516–542

()

    #[test]
    fn write_simple_rows() {
        let schema = Schema::new(vec![
            Field::new("c1", DataType::Int32, true),
            Field::new("c2", DataType::Utf8, true),
        ]);

        let a = Int32Array::from(vec![Some(1), Some(2), Some(3), None, Some(5)]);
        let b = StringArray::from(vec![Some("a"), Some("b"), Some("c"), Some("d"), None]);

        let batch = RecordBatch::try_new(Arc::new(schema), vec![Arc::new(a), Arc::new(b)]).unwrap();

        let mut buf = Vec::new();
        {
            let mut writer = LineDelimitedWriter::new(&mut buf);
            writer.write_batches(&[&batch]).unwrap();
        }

        assert_json_eq(
            &buf,
            r#"{"c1":1,"c2":"a"}
{"c1":2,"c2":"b"}
{"c1":3,"c2":"c"}
{"c2":"d"}
{"c1":5}
"#,
        );
    }

    #[test]
    fn write_large_utf8_and_utf8_view() {