It was JsonTreeReader.

Thanks,

Mike

On Mon, Jul 29, 2019 at 3:36 PM Mark Payne <[email protected]> wrote:

> Mike,
>
> What Record Reader is being used here? The problem appears to be due to
> the Record Reader itself assigning that as the field type.
>
> I created a dummy unit test to verify the RecordPath stuff is correct:
>
>
> @Test
> public void testFromEmail() {
>     final List<RecordField> fields = new ArrayList<>();
>     fields.add(new RecordField("firstName",
> RecordFieldType.STRING.getDataType()));
>     fields.add(new RecordField("lastName",
> RecordFieldType.STRING.getDataType()));
>     fields.add(new RecordField("creationDateTime",
> RecordFieldType.TIMESTAMP.getDataType(), true));
>     final RecordSchema schema = new SimpleRecordSchema(fields);
>
>     final Map<String, Object> values = new HashMap<>();
>     values.put("firstName", "John");
>     values.put("lastName", "Doe");
>     values.put("creationDateTime", new
> Timestamp(System.currentTimeMillis()));
>     final Record record = new MapRecord(schema, values);
>
>     final Optional<FieldValue> optionalFieldValue =
> RecordPath.compile("/creationDateTime").evaluate(record).getSelectedFields().findFirst();
>     final FieldValue fieldValue = optionalFieldValue.get();
>     System.out.println(fieldValue.getField());
> }
>
> Which prints out the correct field type:
>
> RecordField[name=creationDateTime, dataType=TIMESTAMP:yyyy-MM-dd HH:mm:ss,
> nullable=true]
>
> So I presume the Record Reader may not be properly applying the schema to
> the Record that it returns.
>
> Thanks
> -Mark
>
> On Jul 28, 2019, at 10:19 AM, Mike Thomsen <[email protected]<mailto:
> [email protected]>> wrote:
>
> I have a simple avro schema in a test case that looks like this:
>
> {
>    "type": "record",
>    "name": "PersonRecord",
>    "fields": [
>        { "name": "firstName", "type": "string" },
>        { "name": "lastName", "type": "string" },
>        { "name": "creationDateTime", "type": [ "null", "type": "long",
> "logicalType": "timestamp-millis" }]
>    ]
> }
>
> Then I try something like this...
>
> RecordPath path = recordPathCache.getCompiled("/creationDateTime");
> RecordPathResult rp = path.evaluate(targetRecord);
> Optional<FieldValue> nodeField = rp.getSelectedFields().findFirst();
>
> if (!nodeField.isPresent()) {
>    throw new ProcessException("...");
> }
>
> FieldValue fieldValue = nodeField.get();
> //fieldValue.getField() is a Choice of String, Record
>
> Is there a way to get the correct field type here? I assume that
> Choice[String, Record] default here was done to facilitate schema
> inference.
>
> Thanks,
>
> Mike
>
>

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