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https://issues.apache.org/jira/browse/HUDI-793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vinoth Chandar updated HUDI-793:
--------------------------------
Fix Version/s: 0.6.0
> Avro schema for metadata fields is incorrect (no defaults). Defaults handling
> is broken
> ---------------------------------------------------------------------------------------
>
> Key: HUDI-793
> URL: https://issues.apache.org/jira/browse/HUDI-793
> Project: Apache Hudi (incubating)
> Issue Type: Bug
> Reporter: Alexander Filipchik
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.6.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> HoodieAvroUtils adds hudi related fields to Avros:
> {code:java}
> // Schema.Field commitTimeField =
> new Schema.Field(HoodieRecord.COMMIT_TIME_METADATA_FIELD,
> METADATA_FIELD_SCHEMA, "", (Object) null)
> {code}
> It generates:
> {code:java}
> // "fields": [
> {
> "name": "_hoodie_commit_time",
> "type": [
> "null",
> "string"
> ],
> "doc": ""
> }
> {code}
> and it should generate:
> {code:java}
> // "fields": [
> {
> "name": "_hoodie_commit_time",
> "type": [
> "null",
> "string"
> ],
> "doc": "",
> "default": null
> }
> {code}
> "default": null is missing
>
> Also, when incoming schema has "default": null, HoodieAvroUtils.rewrite
> breaks as it can't properly copy null value
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