Add release notes for 0.294

[unidevel]

Missing Release Notes

Arjun Gupta

• Add session property for passing query client timeout value prestodb/presto#25210 Add session property for passing query client timeout value (Merged by: Arjun Gupta)

Jialiang Tan

• [native] Add remaining from spill header to http shuffle API prestodb/presto#25271 [native] Add remaining from spill header to http shuffle API (Merged by: tanjialiang)
• [native] Make PeriodicMemoryChecker::stop() virtual prestodb/presto#25239 [native] Make PeriodicMemoryChecker::stop() virtual (Merged by: tanjialiang)

Li Zhou

• eee4c45 Update README.md

Shakyan Kushwaha

• [native] Allow options for wget and tar commands during setup Part:2 prestodb/presto#24854 [native] Allow options for wget and tar commands during setup Part:2 (Merged by: Deepak Majeti)

unidevel

• 9fe1126 Reset branch before cut release and fetch full history for release notes PR

Extracted Release Notes

• Reduce memory usage in writer by freeing unused buffers prestodb/presto#23724 (Author: Chen Yang): Reduce memory usage in writer by freeing unused buffers
  • Improve memory usage in writer by feeing unused buffers.
• Mixed case identifier support prestodb/presto#24551 (Author: NivinCS): Mixed case identifier support
  • Add mixed case support for schema and table names.
  • Add mixed case support related catalog property in JDBC connector case-sensitive-name-matching.
  • Add support for mixed-case in MySQL. It can be enabled by setting case-sensitive-name-matching=true configuration in the catalog configuration.
• [native] Add TestAggregations to native-tests prestodb/presto#24809 (Author: Pramod Satya): [native] Add TestAggregations to native-tests
  • Adds aggregation tests from presto-tests to run with native query runner in presto-native-tests.
• Fix ANALYZE when Hive partition has non-canonical value prestodb/presto#24973 (Author: Denodo Research Labs): Fix ANALYZE when Hive partition has non-canonical value
  • Fix incorrectly ignoring computed table statistics in ANALYZE.
• Add config option to skip system schemas in JDBC connectors prestodb/presto#24994 (Author: Hazmi): Add config option to skip system schemas in JDBC connectors
  • Add skippable-schemas config option for jdbc connectors.
• Add a new custom router scheduler plugin : presto-plan-checker-router-plugin prestodb/presto#25035 (Author: Pratik Joseph Dabre): Add a new custom router scheduler plugin : presto-plan-checker-router-plugin
  • Add a new custom router scheduler plugin, the Presto Plan Checker Router Scheduler Plugin <https://github.com/prestodb/presto/tree/master/presto-plan-checker-router-plugin/README.md>_.
• Add support for json type in MongoDB prestodb/presto#25089 (Author: Mariam Almesfer): Add support for json type in MongoDB
  • Add support for Json type in MongoDB.
• Fix Native Plan Checker for CTAS and Insert queries prestodb/presto#25115 (Author: Tim Meehan): Fix Native Plan Checker for CTAS and Insert queries
  • Fix Native Plan Checker for CTAS and Insert queries.
• Write mapping support prestodb/presto#25124 (Author: Hazmi): Write mapping support
  • Improve type mapping API to add WriteMapping functionality.
• Generate ProtocolToThrift files through make and commit prestodb/presto#25162 (Author: vhsu14): Generate ProtocolToThrift files through make and commit
  • Update ProtocolToThrift files to be generated for cpp thrift serde.
• Extend filtered aggregation optimizer to support only masked partial aggregation cases prestodb/presto#25171 (Author: Feilong Liu): Extend filtered aggregation optimizer to support only masked partial aggregation cases
  • Extend MergePartialAggregationsWithFilter to work for queries where all aggregations have mask.
• [native] Enable sidecar in presto-native-tests module prestodb/presto#25174 (Author: Pratik Joseph Dabre): [native] Enable sidecar in presto-native-tests module
  • Add sidecar in presto-native-tests module.
• Add function metadata ability to push down struct argument in optimizer prestodb/presto#25175 (Author: Kevin Tang): Add function metadata ability to push down struct argument in optimizer
  • Add pushdownSubfieldArgIndex parameter to ComplexTypeFunctionDescriptor for subfield optimization during query planning.
• Add support for mTLS authentication in Arrow Flight client prestodb/presto#25179 (Author: Elbin Pallimalil): Add support for mTLS authentication in Arrow Flight client
  • Added support for mTLS authentication in Arrow Flight client.
• Fix error classification for array with null elements prestodb/presto#25187 (Author: Zhiying Liang): Fix error classification for array with null elements
  • Fix error classification for unsupported array comparison with null elements, converting it as a user error.
• Add optimizer to convert min_by/max_by to row number function prestodb/presto#25190 (Author: Feilong Liu): Add optimizer to convert min_by/max_by to row number function
  • Add a new optimization MinMaxByToWindowFunction to rewrite min_by/max_by aggregations with row_number window function.
• [Iceberg]Support rename view on Rest catalog and Nessie catalog prestodb/presto#25202 (Author: wangd): [Iceberg]Support rename view on Rest catalog and Nessie catalog
  • Add support of rename view for Iceberg connector when configured with REST and NESSIE.
• Forward fit router UI security fixes prestodb/presto#25206 (Author: Auden Woolfson): Forward fit router UI security fixes
  • Update router UI to eliminate vulnerabilities.
• Fix procedure remove_orphan_files with DELETES prestodb/presto#25220 (Author: Denodo Research Labs): Fix procedure remove_orphan_files with DELETES
  • Fix the remove_orphan_files procedure after deletion operations.
• Share code between router ui and presto ui prestodb/presto#25223 (Author: Auden Woolfson): Share code between router ui and presto ui
  • ...
  • ...
• Fix vulnerability issue in commons-beanutils to address CVE-2025-48734 prestodb/presto#25235 (Author: Shahim Sharafudeen): Fix vulnerability issue in commons-beanutils to address CVE-2025-48734
  • Upgrade commons-beanutils dependency to address 'CVE-2025-48734 GHSA-wxr5-93ph-8wr9'.
• [native] Improve semi join parallelism prestodb/presto#25236 (Author: Andrii Rosa): [native] Improve semi join parallelism
  • Improve semi join performance for large filtering tables.
• Add an optimizer to add distinct below build side of semi join prestodb/presto#25238 (Author: Feilong Liu): Add an optimizer to add distinct below build side of semi join
  • Add an optimizer to add distinct aggregation on build side of semi join.
• Use RouterRequestInfo in router schedulers to get the URL destination prestodb/presto#25244 (Author: Pratik Joseph Dabre): Use RouterRequestInfo in router schedulers to get the URL destination
  • Replace the parameters in router schedulers to use RouterRequestInfo to get the URL destination.
• Optimize partition value evaluation in filter pushdown prestodb/presto#25248 (Author: Feilong Liu): Optimize partition value evaluation in filter pushdown
  • Add a function to Constraint to return the input arguments for the predicate.
• Add a session property to disable ReplicateSemiJoinInDelete optimizer prestodb/presto#25256 (Author: Feilong Liu): Add a session property to disable ReplicateSemiJoinInDelete optimizer
  • Add a session property to disable the ReplicateSemiJoinInDelete optimizer.
• Revert #25245 Move Bootstrap.class to presto-bytecode to avoid duplicate definitions  prestodb/presto#25260 (Author: Shelton Cai): Revert Move Bootstrap.class to presto-bytecode to avoid duplicate definitions prestodb/presto#25245 Move Bootstrap.class to presto-bytecode to avoid duplicate definitions
  • Fix: Revert the move of boostrap fromm presto-main to presto-bytecode.
• Add aws-java-sdk-core as runtime dependency for Redshift JDBC driver prestodb/presto#25265 (Author: Ajay Kharat): Add aws-java-sdk-core as runtime dependency for Redshift JDBC driver
  • Fix Redshift connector runtime failure due to missing dependency on com.amazonaws.util.StringUtils. Add aws-java-sdk-core as a runtime dependency to support Redshift JDBC driver (v2.1.0.32) which relies on this class for metadata operations.
• [native] Add header "Host" to PrestoExchangeSource prestodb/presto#25272 (Author: Deepak Majeti): [native] Add header "Host" to PrestoExchangeSource
  • Fix PrestoExchangeSource 400 Bad Request by adding the "Host" header.
• [Iceberg] Fix querying data_sequence_number with equality deletes prestodb/presto#25293 (Author: Andrew Xie): [Iceberg] Fix querying data_sequence_number with equality deletes
  • Fix error querying $data_sequence_number metadata column for table with equality deletes.
• Add Avro Configuration Properties to Hive connector docs prestodb/presto#25311 (Author: martinsander00): Add Avro Configuration Properties to Hive connector docs
  • Add :ref:connector/hive:Avro Configuration Properties to Hive Connector documentation.
• [native] Add native memory pool reclaimer priority prestodb/presto#25325 (Author: Chandrashekhar Kumar Singh): [native] Add native memory pool reclaimer priority
  • Add property native_query_memory_reclaimer_priority which controls which queries are killed first when a worker is running low on memory. Higher value means lower priority to be consistent with velox memory reclaimer's convention.
• Add output size calculation to BinarySortableSerializer prestodb/presto#25359 (Author: Emily (Xuetong) Sun): Add output size calculation to BinarySortableSerializer
  • Add BinarySortableSerializer::serializedSizeInBytes method that returns the serialized byte size of a given input row at 'rowId'. This allows us to pre-allocated the exact output buffer size needed for serialization, avoiding wasted memory space.

All Commits

• eee4c45 Update README.md (Li Zhou)
• 9fe1126 Reset branch before cut release and fetch full history for release notes PR (unidevel)
• 9837a07 Introduce IcebergPartitionField (Ping Liu)
• ba9c38e Add output size calculation to BinarySortableSerializer (Add output size calculation to BinarySortableSerializer prestodb/presto#25359) (Emily (Xuetong) Sun)
• b6d69f1 [native] Limit macos CI tests to C++ changes (Deepak Majeti)
• e6add57 [native] Do not queue Tasks if the Query is already running (Sergey Pershin)
• 2e02420 [native]: Enable Velox cuDF (Deepak Majeti)
• 7739b44 Add Avro Configuration Properties to Hive connector docs (martinsander00)
• f19fee9 Add write mapping (Hazmi)
• 2f6bcb9 [native] Fix Task status reporting for not started Tasks (Sergey Pershin)
• 456584f added aws-sdk-v1 dependency for redshift jdbc driver (Ajay Kharat)
• 60360ce [native] changes in ProtocolToThrift files based on IDL change ([native] changes in ProtocolToThrift files based on IDL change prestodb/presto#25308) (vhsu14)
• a858cbd [native] Add 'hasStartedTasks' to QueryCtxCacheValue. (Sergey Pershin)
• 477ecd5 Bind PlanCheckerRouterPluginScheduler and fix META-INF/services/ file in presto-plan-checker-router-plugin (Pratik Joseph Dabre)
• 4739e83 Add native memory pool reclaimer property ([native] Add native memory pool reclaimer priority prestodb/presto#25325) (Chandrashekhar Kumar Singh)
• 5e2870a Fix confusing word for task state (Shang Ma)
• 00a30bd Add presto-native-sidecar plugin to Provisio plugin (Shakyan Kushwaha)
• c62c497 [native]: Add warning when environment variables are used in build (Deepak Majeti)
• 818786c Add dummy class to deploy presto-native-tests module (Add dummy class to deploy presto-native-tests module prestodb/presto#25328) (Li Zhou)
• 8fa7a17 [native] Add header proxygen::HTTP_HEADER_HOST to PrestoExchangeSource (Deepak Majeti)
• 3fd0609 [Iceberg] Fix querying data_sequence_number with equality deletes (Andrew Xie)
• 3fd4993 Add runtime stats metrics for subcomponent in Optimizer (Chandra Vankayalapati)
• ee7ec12 [native] Advance velox (Amit Dutta)
• c26cb2d [native] Advance Velox (Christian Zentgraf)
• f137ef2 Support free unused buffer in output buffer chunk supplier (Chen Yang)
• 3dea808 [native] Add TestAggregations to native-tests (Pramod Satya)
• e544e4c Add QDigest, TDigest to supported native types (Pramod Satya)
• 642b9ea Parameterize aggregation tests to support DWRF (Pramod Satya)
• 32316a5 Remove overriden testcase testCountDistinct (Pramod Satya)
• 95bbacf Remove path restrictions for cpp tests (Rebecca Schlussel)
• 99d40ea Disable AbstractHiveSslTest (Tim Meehan)
• 786324b Unify and utilize NPROC variable for Linux setup scripts (Christian Zentgraf)
• 8e4c0c8 Update drift annotation for HostAddress and TimeZoneKey (Update drift annotation prestodb/presto#25292) (Shang Ma)
• db3db7f Fix qDigest values_at_quantiles function to throw INVALID_FUNCTION_ARGUMENT on null input (Fix qDigest values_at_quantiles function to throw INVALID_FUNCTION_ARGUMENT on null input prestodb/presto#25291) (XiaoDu)
• a3f2c3e [native] Fix MacOS build errors due to TimeZoneKey and sequenceId type (Deepak Majeti)
• d6705fc Revert Move Bootstrap.class to presto-bytecode to avoid duplicate definitions [D75970190] (Revert #25245 Move Bootstrap.class to presto-bytecode to avoid duplicate definitions  prestodb/presto#25260) (Shelton Cai)
• 4cc1b86 Add @unidevel as committer for CI (Timothy Meehan)
• a99fa32 Share code between router ui and presto ui (Share code between router ui and presto ui prestodb/presto#25223) (Auden Woolfson)
• 539b538 Revert "Support native non-equal lookup join planning" (Zac Wen)
• d69d55e [native] Fix incorrect use of TestNG parameters in native-tests (Pramod Satya)
• b1bddba Fall back to original plan if index join rewrite fails (Zac Wen)
• a118315 Avoid object creation when call replaceChildren for CteConsumerNode (wangd)
• c6115c3 [docs] Document config properties required to set up presto-plan-checker-router-plugin (Pratik Joseph Dabre)
• 39da629 Add tests for presto-plan-checker-router-plugin and CI job (Pratik Joseph Dabre)
• 5c3560a Add a new router plugin : presto-plan-checker-router-plugin (Pratik Joseph Dabre)
• 7587c15 Fix error classification for array with null elements (Zhiying Liang)
• fdc6e65 Optimize partition value evaluation in filter pushdown (Feilong Liu)
• 91a8685 [native] Allow options for wget and tar commands during setup Part:2 (Shakyan Kushwaha)
• 22e4de1 [native] Add remaining from spill header to http shuffle API (Jialiang Tan)
• b865ea7 Fix TestEventListener's multi-threads visibility issue with volatile (wangd)
• df71d05 Support native non-equal lookup join planning (Zac Wen)
• cfbf6f3 Extend native type rewrite for cast, function call, and simple case expression (Extend native type rewrite for cast, function call, and simple case expression prestodb/presto#25142) (HeidiHan0000)
• 2ba9e27 Mixed case support product tests for hive and mysql connectors (NivinCS)
• f6edd43 Add runtime stats for normalizeIdentifier (Reetika Agrawal)
• ea69a73 Mark deprecate for case-insensitive-name-matching (Reetika Agrawal)
• cb3ba86 Enable mixed-case support for mysql (Reetika Agrawal)
• 454f12d Mixed case identifier support (Reetika Agrawal)
• ba38759 [native] Advance velox (Amit Dutta)
• 02eb6fe Fix replaceColumn not retaining positionCount of Page (Andrew Xie)
• 6c7de58 Fix native plan checker for CTAS and insert queries (Tim Meehan)
• 6f4a804 Enable native plan checker by default (Tim Meehan)
• ae708f0 Allow query runners to load plan checkers (Tim Meehan)
• 39b173a Remove unused logger (Tim Meehan)
• f3e770a Fix ANALYZE when Hive partition has non-canonical value (Denodo Research Labs)
• 1d46dc8 Add comment for AddDistinctForSemiJoinBuild optimizer (Feilong Liu)
• 9852c1e Add a session property to disable ReplicateSemiJoinInDelete optimizer (Feilong Liu)
• 369570e Generate ProtocolToThrift files through make and commit (Generate ProtocolToThrift files through make and commit prestodb/presto#25162) (vhsu14)
• 3719f8c Add method signature to log (Add method signature to log prestodb/presto#25252) (Shang Ma)
• d5e76af Add an optimizer to add distinct below build side of semi join (Feilong Liu)
• c84aa3d Add description for MinMaxByToWindowFunction optimizer (Feilong Liu)
• f139081 [native] Enable sidecar in presto-native-tests module (Pratik Joseph Dabre)
• c5839d9 [Iceberg]Prefix table (loaded from Hive Catalog) with catalog name (wangd)
• a471b47 update deps (Yihong Wang)
• c708f11 fix loading bug (auden-woolfson)
• 8002473 Undo unrelated change (auden-woolfson)
• edf51c4 Version change (auden-woolfson)
• 28e7399 Add version to comment (auden-woolfson)
• ffc2be3 Cherry pick router whitesource fixes (Auden Woolfson)
• 58e8489 Use RouterRequestInfo in router schedulers to get the URL destination (Pratik Joseph Dabre)
• f4f1934 Add function metadata ability to push down struct argument in optimizer (Add function metadata ability to push down struct argument in optimizer prestodb/presto#25175) (Kevin Tang)
• a7681b6 Move Bootstrap.class to presto-bytecode to avoid duplicate definitions (wangd)
• c08c6ef Fix vulnerability issue in commons-beanutils to address CVE-2025-48734 (Shahim Sharafudeen)
• 0729c1d Add optimizer to convert min_by/max_by to row number function (Feilong Liu)
• 8a04ee3 Add support for mTLS authentication in Arrow Flight client (Elbin Pallimalil)
• d5b7770 [prestissimo] Add async pushback for jemalloc purge (Jialiang Tan)
• a504c7c [native] Improve semi join parallelism (Andrii Rosa)
• 1bc7da4 Extend filtered aggregation optimizer to support only masked partial aggregation cases (Feilong Liu)
• a12b523 [native] Use builder pattern for native queryRunner (Pramod Satya)
• f0fffd3 [native] Fix constant in lookup condition parsing (Zac Wen)
• a35b9fc Update presto-cli troubleshooting docs (pratyakshsharma)
• b53d94d Add session to getFlightDescriptorForSchema and getFlightDescriptorForTableScan (Thanzeel Hassan)
• 61d1700 Fix ordering of arguments in arrow flight module (Thanzeel Hassan)
• e73f450 [native] Move exception map to cpp file to prevent from SIOF (Amit Dutta)
• 0eb6adb Fix time caculation error for method execution (Fix time caculation error for method execution  prestodb/presto#25231) (Shang Ma)
• c83b222 [native] Allow accessing error code map to register custom exceptions. (Amit Dutta)
• e95d9fb Fix flaky test of table registration in Nessie (wangd)
• 783c58e [Iceberg]Support rename view on Rest catalog and Nessie catalog (wangd)
• e93a5f8 convert MemoryManagerOptions to MemoryManager::Options (convert MemoryManagerOptions to MemoryManager::Options prestodb/presto#25229) (Ke Wang)
• fda5114 [doc] Remove duplicate 'async-cache-persistence-interval' property (lingbin)
• d9f71c4 Fix procedure remove_orphan_files with DELETES (Denodo Research Labs)
• 831323a [sidecar] Prevent coordinator crashing in non-sidecar enabled clusters by making sidecar plugin functionalities config driven (Pratik Joseph Dabre)
• 1e533c8 [native] Fix dependency build dockerfiles (Deepak Majeti)
• d3f7172 Fail query runner when nodes do not come up (Tim Meehan)
• f811f7e Add session property for passing query client timeout value (Add session property for passing query client timeout value prestodb/presto#25210) (Arjun Gupta)
• 3ef7769 [native] Advance Velox (Deepak Majeti)
• 73c2945 Fix the khyperloglog_agg() example (mima0000)
• a083fd5 Add some working examples for functions in aggregate.rst (mima0000)
• 6a455ac Add support for json type in MongoDB (Mariam Almesfer)
• dbe3d36 Add config option to skip system schemas in JDBC connectors (Hazmi)