Hi, Okay, I will do that then. Thanks.
Regards, Maria On Thu, 21 Jan 2021 at 03:33, John Mora <jhnmora...@gmail.com> wrote: > Hi Maria, > > Sorry for the late reply. Let's keep it simple.You can throw an exception > when you receive a STRING and only process RECORD cases in UNION. > > Example: > > https://github.com/apache/gora/blob/b45581a371d2d69c472c37793efa085436056c9b/gora-lucene/src/main/java/org/apache/gora/lucene/store/LuceneStore.java#L349 > > Regards, > John > > El mar, 19 ene 2021 a las 4:49, Maria Podorvanova (< > podorvanova.ma...@gmail.com>) escribió: > >> Hi >> >> Thank you for your comments. >> >> I will take a look into your links, but my question was a bit different. >> The problem is that foreign key "boss" is represented in Avro as UNION of >> three types: STRING, NULL and RECORD. Your answer is in regards to how to >> handle the last case (RECORD), but I was asking about how to handle >> the STRING case. AFAIU STRING refers to the Employee's primary key type, so >> that you could write "boss: '123'" instead of specifying the whole object. >> Should I be making an additional GET request for this case? >> >> Regards, >> Maria >> >> On Tue, 19 Jan 2021 at 08:53, John Mora <jhnmora...@gmail.com> wrote: >> >>> Hi Maria, >>> >>> Thanks for the update. >>> >>> Some comments: >>> >>> >>> https://github.com/podorvanova/gora/blob/gora-664/gora-elasticsearch/src/main/java/org/apache/gora/elasticsearch/store/ElasticsearchStore.java#L192 >>> >>> Please add the index mappings when you create the elasticsearch index. >>> >>> >>> https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high-create-index.html#java-rest-high-create-index-request-mappings >>> >>> You can use the Field mappings parsed from the XML file. >>> >>> >>> https://github.com/podorvanova/gora/blob/gora-664/gora-elasticsearch/src/main/java/org/apache/gora/elasticsearch/mapping/ElasticsearchMapping.java#L28 >>> >>> Regarding your question, Elasticsearch supports complex datatypes: >>> >>> >>> https://www.elastic.co/guide/en/elasticsearch/reference/current/object.html >>> >>> https://www.elastic.co/guide/en/elasticsearch/reference/current/nested.html >>> >>> You can use the RethinkDB datastore as an example and store recursively >>> the fields of the embedded objects. >>> >>> >>> https://github.com/apache/gora/blob/b45581a371d2d69c472c37793efa085436056c9b/gora-rethinkdb/src/main/java/org/apache/gora/rethinkdb/store/RethinkDBStore.java#L448 >>> >>> Give it a try first and let me know if you get stuck. >>> >>> Alternatively, if the first option is not feasible, you can serialize >>> the embedded objects as byte array, example: >>> >>> >>> https://github.com/apache/gora/blob/master/gora-solr/src/main/java/org/apache/gora/solr/store/SolrStore.java#L735 >>> >>> https://www.elastic.co/guide/en/elasticsearch/reference/current/binary.html >>> >>> Best regards, >>> John. >>> >>> El sáb, 16 ene 2021 a las 8:02, Maria Podorvanova (< >>> podorvanova.ma...@gmail.com>) escribió: >>> >>>> Hi, >>>> >>>> Report #7 >>>> Period: January 10 - January 16 >>>> Activities: >>>> - Fixed authentication [1]: >>>> >>>> 1. Set up password to Elasticsearch container properly >>>> 2. Set default Elasticsearch container server’s username in >>>> gora.properties >>>> 3. Added exceptions for missing arguments in authentication >>>> >>>> - Added a parameter for the XSD validation [2]: >>>> >>>> 1. Defined a parameter for the XSD validation >>>> 2. Added a test case for the parameter >>>> 3. Made ElasticsearchStore read mapping file from properties, not >>>> configuration >>>> >>>> - Implemented some basic Input-Output operations for schema management >>>> [3]: >>>> >>>> 1. Implemented delete, get and put methods >>>> 2. Implemented newInstance and getUnionSchema utility methods >>>> 3. Implemented basic serialization/deserialization for primitive >>>> AVRO types >>>> >>>> >>>> Here are links to the commits: >>>> [1] >>>> https://github.com/apache/gora/commit/679b6d8f0a27b7a7be99b6e8773327d482b9996b >>>> [2] >>>> https://github.com/apache/gora/commit/0f17849a383ef5f29e650eda22fb4d3022578f43 >>>> [3] >>>> https://github.com/apache/gora/commit/474a3946ebfde25732fe16d6546aa479fc6509a0 >>>> >>>> This week I have started work on serialization/deserialization. While >>>> testing get method I found that UNION case could be a combination of NULL, >>>> STRING or another RECORD for external table references (e.g. boss for >>>> Employee). Could you explain to me what I should do in this case? I see two >>>> possible cases here: 1) Do deserialize recursively if the field value is a >>>> RECORD 2) Make another request for STRING case, where I have only key for >>>> the external object. >>>> >>>> Regards, >>>> Maria >>>> >>>
