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https://issues.apache.org/jira/browse/FLINK-39662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18081998#comment-18081998
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Sergey Nuyanzin commented on FLINK-39662:
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Merged as
[9a72fde482412d1cf41c215a229c5a6cb3e1cc69|https://github.com/apache/flink/commit/9a72fde482412d1cf41c215a229c5a6cb3e1cc69]
> Support ALTER MATERIALIZED TABLE ... SET ('k' = 'v') conversion
> ---------------------------------------------------------------
>
> Key: FLINK-39662
> URL: https://issues.apache.org/jira/browse/FLINK-39662
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Ramin Gharib
> Priority: Major
> Labels: pull-request-available
>
> Add {{SqlAlterMaterializedTableOptionsConverter}} under
> {{{}org.apache.flink.table.planner.operations.converters.materializedtable{}}}.
> Register it in {{{}SqlNodeConverters#registerMaterializedTableConverters{}}}.
> *Behavior:*
> # Resolve the table from the catalog. Reject with {{ValidationException}} if
> the target is not a materialized table or does not exist.
> # Merge the supplied options over the existing table options.
> # Reject keys that change identity or freshness semantics. Use the same
> key-allowlist that {{SqlCreateOrAlterMaterializedTableConverter}} applies
> under FLINK-39199.
> # Emit {{AlterMaterializedTableChangeOperation}} so the change flows through
> {{{}CatalogManager#alterTable{}}}.
> *Tests:*
> * Add cases to {{{}MaterializedTableNodeToOperationConverterTest{}}}. Cover
> happy path, unknown table, non-materialized target, and rejected key.
> * Add {{MaterializedTableITCase}} coverage that sets a non-reserved option
> and asserts the catalog reflects the change.
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