Flink: Throw UnsupportedOperationException for materialized tables#16079
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rmoff wants to merge 1 commit intoapache:mainfrom
Open
Flink: Throw UnsupportedOperationException for materialized tables#16079rmoff wants to merge 1 commit intoapache:mainfrom
rmoff wants to merge 1 commit intoapache:mainfrom
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Creating a materialized table in Flink using an Iceberg catalog currently fails with a
cryptic
IllegalArgumentException: table should be resolvedfrom aPreconditions.checkArgumentdeep in
FlinkCatalog.createTable(). See #15318 for occurrence raised by a user.This PR adds an explicit
instanceof CatalogMaterializedTablecheck before that precondition,throwing a clear
UnsupportedOperationExceptionwith the message:"Materialized tables are not supported by Iceberg's Flink catalog."
Before
After
Test plan
testCreateMaterializedTableIsUnsupportedinTestFlinkCatalogTable(runs across all 3 catalog parametrizations)spotlessCheckpassesTestFlinkCatalogTabletests unaffected