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https://issues.apache.org/jira/browse/NIFI-5138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16469057#comment-16469057
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ASF subversion and git services commented on NIFI-5138:
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Commit 4700b8653dc980b1cf8985430683b79eb64922a4 in nifi's branch
refs/heads/master from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=4700b86 ]
NIFI-5138: Bug fix to ensure that when we have a CHOICE between two or more
REOCRD types that we choose the appropriate RECORD type when creating the
Record in the JSON Reader.
Signed-off-by: Pierre Villard <[email protected]>
This closes #2670.
> JSON Record Readers providing wrong schema to sub-records when there is a
> CHOICE of multiple RECORD types
> ---------------------------------------------------------------------------------------------------------
>
> Key: NIFI-5138
> URL: https://issues.apache.org/jira/browse/NIFI-5138
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.7.0
>
>
> When the JSON Record Reader is used, if the schema provides a CHOICE of two
> different RECORD types for a sub-record, then the sub-record's schema ends up
> being an empty schema. This results in RecordPath's not properly evaluating.
> For example, with the schema below:
> {code:java}
> {
> "name": "top", "namespace": "nifi",
> "type": "record",
> "fields": [
> { "name": "id", "type": "string" },
> { "name": "child", "type": [{
> "name": "first", "type": "record",
> "fields": [{ "name": "name", "type": "string" }]
> }, {
> "name": "second", "type": "record",
> "fields": [{ "name": "id", "type": "string" }]
> }]
> }
> ]
> }{code}
>
> If I then have the following JSON:
> {code:java}
> {
> "id": "1234",
> "child": {
> "id": "4321"
> }
> }{code}
> The result is that the record returned has the correct schema. However, if I
> then call record.getValue("child") I am returned a Record object that has no
> schema.
> This results in the RecordPath "/child/id" returning a null value.
>
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