raminqaf opened a new pull request, #27228:
URL: https://github.com/apache/flink/pull/27228
## What is the purpose of the change
This pull request adds end-to-end test coverage for FLIP-551 (Make FRESHNESS
Optional for Materialized Tables) to verify that `SHOW CREATE MATERIALIZED
TABLE` correctly displays the enriched/default FRESHNESS value when it is
omitted in the `CREATE MATERIALIZED TABLE` statement.
The tests ensure that:
1. When FRESHNESS is omitted with explicit REFRESH_MODE, the default
FRESHNESS value is applied based on the mode
2. When FRESHNESS is explicitly specified, it is preserved in the SHOW
CREATE output
3. When both FRESHNESS and REFRESH_MODE are omitted, appropriate defaults
are applied for both
## Brief change log
- Added `materialized_table.q` test file for SQL Gateway with 3 test
scenarios validating default FRESHNESS behavior
- Added `materialized_table.q` test file for SQL Client with 3 test
scenarios validating default FRESHNESS behavior
- Tests verify that `SHOW CREATE MATERIALIZED TABLE` displays the correct
default FRESHNESS values (3 minutes for CONTINUOUS mode, 1 hour for FULL mode)
- Tests verify that explicitly specified FRESHNESS values are preserved in
the output
## Verifying this change
This change added tests and can be verified as follows:
- Added SQL Gateway integration test in
`flink-table/flink-sql-gateway/src/test/resources/sql/materialized_table.q`
- Run with: `mvn test -pl flink-table/flink-sql-gateway
-Dtest=SqlGatewayServiceStatementITCase`
- Added SQL Client integration test in
`flink-table/flink-sql-client/src/test/resources/sql/materialized_table.q`
- Run with: `mvn test -pl flink-table/flink-sql-client
-Dtest=CliClientITCase`
- Both test files cover three scenarios:
1. CREATE MATERIALIZED TABLE with REFRESH_MODE=CONTINUOUS but no FRESHNESS
- verifies default of 3 minutes is applied
2. CREATE MATERIALIZED TABLE with explicit FRESHNESS=10 seconds - verifies
the explicit value is preserved
3. CREATE MATERIALIZED TABLE without FRESHNESS or REFRESH_MODE - verifies
both defaults are applied (CONTINUOUS mode with 3 minutes)
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no (test coverage only)
- If yes, how is the feature documented? not applicable
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