Tugce Ozberk Yener created SPARK-55552:
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Summary: ColumnarBatchRow.copy() and MutableColumnarRow do not
handle VariantType
Key: SPARK-55552
URL: https://issues.apache.org/jira/browse/SPARK-55552
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 4.1.1
Reporter: Tugce Ozberk Yener
Fix For: 4.2.0
ColumnarBatchRow.copy() and MutableColumnarRow.copy() / get() do not handle
{{{}VariantType{}}}, causing a {{RuntimeException: Not implemented.
VariantType}} when using {{VariantType}} columns in streaming custom data
sources that rely on columnar batch row copying.
*Related:*
[SPARK-54427|[https://issues.apache.org/jira/browse/SPARK-54427|vscode-file://vscode-app/Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/electron-browser/workbench/workbench.html]]
the original issue that added VariantType support to ColumnarRow via PR
[#53137|[https://github.com/apache/spark/pull/53137]|vscode-file://vscode-app/Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/electron-browser/workbench/workbench.html],
but missed ColumnarBatchRow and MutableColumnarRow.
Previuous Attempt: PR
[#54006|[https://github.com/apache/spark/pull/54006]|vscode-file://vscode-app/Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/electron-browser/workbench/workbench.html]
attempted this fix but was closed/abandoned. A reviewer (@cloud-fan) requested
a JIRA ticket be created.
*Fix:*
* Add a {{PhysicalVariantType}} branch in ColumnarBatchRow.copy() (catalyst
module)
* Add a {{VariantType}} branch in MutableColumnarRow.copy() and
MutableColumnarRow.get() (core module)
* Add a test in {{ColumnarBatchSuite}} to validate the round-trip of
VariantVal through ColumnarBatchRow.copy()
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