[Cherry-pick to branch-1.3] [#9374] fix(spark): Fix MySQL datetime filter pushdown in Spark JDBC connector (#11451) - #11508
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…connector (#11451) ### What changes were proposed in this pull request? Map MySQL `datetime` to `TimestampType` in Spark JDBC type converters to match Spark's native JDBC behavior. ### Why are the changes needed? Filtering on MySQL `datetime` columns fails with `SQLSyntaxErrorException: near ':07:43)'`. Gravitino maps `datetime` to `TimestampNTZType` (Spark 3.4+), which the MySQL JDBC dialect cannot format as valid SQL literals. Spark's native JDBC catalog maps `datetime` → `TimestampType` correctly. Fix: #9374 ### Does this PR introduce _any_ user-facing change? Yes. MySQL `datetime` columns can now be used as filter predicates via Gravitino's Spark JDBC catalog. ### How was this patch tested? Added unit tests: `TestSparkJdbcTypeConverter`, `TestSparkJdbcTypeConverter34`, `TestSparkJdbcTypeConverter35`.
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Cherry-pick Information:
branch-1.3