[
https://issues.apache.org/jira/browse/GOBBLIN-933?focusedWorklogId=340660&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-340660
]
ASF GitHub Bot logged work on GOBBLIN-933:
------------------------------------------
Author: ASF GitHub Bot
Created on: 08/Nov/19 18:27
Start Date: 08/Nov/19 18:27
Worklog Time Spent: 10m
Work Description: haojiliu commented on pull request #2800: [GOBBLIN-933]
add support for array of unions in json schema_new
URL: https://github.com/apache/incubator-gobblin/pull/2800#discussion_r344307652
##########
File path:
gobblin-core/src/main/java/org/apache/gobblin/converter/avro/JsonElementConversionWithAvroSchemaFactory.java
##########
@@ -210,4 +216,70 @@ public Schema schema() {
return this.schema;
}
}
-}
+
+ public static class UnionConverter extends ComplexConverter {
+ private final List<Schema> schemas;
+ private final List<JsonElementConverter> converters;
+ private final Schema schemaNode;
+
+ public UnionConverter(String fieldName, boolean nullable, String
sourceType, Schema schemaNode,
+ WorkUnitState state, List<String> ignoreFields) throws
UnsupportedDateTypeException {
+ super(fieldName, nullable, sourceType);
+ this.schemas = schemaNode.getTypes();
+ converters = new ArrayList<>();
+ for(Schema schema: schemas) {
+ converters.add(getConvertor(fieldName, schema.getType().getName(),
schemaNode, state, isNullable(), ignoreFields));
Review comment:
getConvertor() vs. getConverter(). You can ignore this, not your fault.
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Issue Time Tracking
-------------------
Worklog Id: (was: 340660)
Time Spent: 5h 40m (was: 5.5h)
> JsonRecordAvroSchemaToAvroConverter does not handle arrays of unions
> --------------------------------------------------------------------
>
> Key: GOBBLIN-933
> URL: https://issues.apache.org/jira/browse/GOBBLIN-933
> Project: Apache Gobblin
> Issue Type: Bug
> Reporter: Ahmed Abdul Hamid
> Priority: Major
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> Using {{JsonRecordAvroSchemaToAvroConverter}} to convert an array of a union
> type fails. For instance, using it with the following Avro schema:
> {code:java}
> {
> "name": "arrayField",
> "type": {
> "type": "array",
> "items": ["string", "null"]
> }
> } {code}
> yields the following error:
> {code:java}
> java.lang.StackOverflowError
> at org.apache.gobblin.configuration.State.getProp(State.java)
> at
> org.apache.gobblin.configuration.WorkUnitState.getProp(WorkUnitState.java:333)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory.getConvertor(JsonElementConversionFactory.java:106)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory$UnionConverter.getConverter(JsonElementConversionFactory.java:737)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory$UnionConverter.<init>(JsonElementConversionFactory.java:729)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory.getConvertor(JsonElementConversionFactory.java:160)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory$UnionConverter.getConverter(JsonElementConversionFactory.java:737)
> at
> org.apache.gobblin.converter.avro.JsonElementConversionFactory$UnionConverter.<init>(JsonElementConversionFactory.java:729)
> {code}
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