query:      `select _2 from S3object where _2 IS NULL`,
			wantResult: ``,
		},
		{
			name:  "select-is_null_results",
			input: testInput,
			query: `select _2 from S3object WHERE _100 IS NULL`,
			wantResult: `{"_2":"2010-01-01T"}
{"_2":"2017-01-02T03:04Z"}`,
		},
		{
			name:  "select-is_not_null_results",
			input: testInput,
			query: `select _2 from S3object where _2 IS NOT NULL`,