Impala 4.5.0 Change Log

New Feature

[IMPALA-889] - Add trim() function matching ANSI SQL definition
[IMPALA-10408] - Build against Apache official versions
[IMPALA-12648] - Support killing queries and sessions programatically
[IMPALA-12732] - Add support for MERGE statements for Iceberg tables
[IMPALA-12785] - Exposing control of the event-processor by SQL commands
[IMPALA-13038] - Support profile tab for imported query profiles
[IMPALA-13064] - Install services from RPM/DEB packages
[IMPALA-13137] - Add additional client fetch metrics columns to the queries page
[IMPALA-13208] - Add cluster id to the membership and request-queue topic names
[IMPALA-13288] - OAuth AuthN Support for Impala backend
[IMPALA-13233] - Represent phases of each instance separately on the webUI's query timeline

Improvement

[IMPALA-2945] - Pre-aggregation cardinality estimates do not take into account data distribution
[IMPALA-5792] - Eliminate duplicate beeswax python code
[IMPALA-8042] - Better selectivity estimate for BETWEEN
[IMPALA-11265] - Iceberg tables have a large memory footprint in catalog cache
[IMPALA-12093] - impala-shell should preserve all cookies by default
[IMPALA-12165] - Add support for compiling C++ code with -gsplit-dwarf
[IMPALA-12216] - Print timestamp for impala-shell errors
[IMPALA-12363] - Upgrade re2 to version 2023-03-01 or higher
[IMPALA-12370] - Add an option to customize timezone when working with UNIXTIME_MICROS columns of Kudu tables
[IMPALA-12390] - Enable performance related clang-tidy checks
[IMPALA-12461] - Avoid write lock on the table during self-event detection
[IMPALA-12541] - Compile toolchain GCC with --enable-linker-build-id to add Build ID to binaries
[IMPALA-12554] - Create only one Ranger policy for GRANT statement
[IMPALA-12607] - Bump GBN to get HMS thift API change HIVE-27499
[IMPALA-12684] - Use IMPALA_COMPRESSED_DEBUG_INFO=true by default
[IMPALA-12686] - Build the toolchain with basic debug information (-g1)
[IMPALA-12737] - Include List of Referenced Columns in Query Log Table
[IMPALA-12800] - Queries with many nested inline views see performance issues with ExprSubstitutionMap
[IMPALA-12886] - Bump GoogleTest to 1.14.0
[IMPALA-12950] - Improve error message in case of out-of-range numeric conversions
[IMPALA-13001] - Add graceful and force shutdown for packaging script.
[IMPALA-13014] - Upgrade Maven to 3.9.6 for resolver fixes and improvements
[IMPALA-13031] - Enhancing logging for spilling configuration with local buffer directory details
[IMPALA-13072] - Toolchain: Add retries for uploading artifacts to the s3 buckets
[IMPALA-13073] - Toolchain builds should pass VERBOSE=1 into make
[IMPALA-13075] - Setting very high BATCH_SIZE can blow up memory usage of fragments
[IMPALA-13083] - Clarify REASON_MEM_LIMIT_TOO_LOW_FOR_RESERVATION error message
[IMPALA-13088] - Speedup IcebergDeleteBuilder
[IMPALA-13106] - Support larger imported query profile sizes through compression
[IMPALA-13109] - Use RoaringBitmap in IcebergDeleteNode
[IMPALA-13115] - Always add the query id in the error message to clients
[IMPALA-13120] - Failed table loads are not tried to load again even though hive metastore is UP
[IMPALA-13148] - Show the number of in-progress Catalog operations
[IMPALA-13168] - Add README file for setting up Trino
[IMPALA-13189] - Reset imported query profiles database instead of clearing the object store
[IMPALA-13194] - Fast-serialize position delete records
[IMPALA-13201] - Queries Against System Tables Must Not Be Subject to Admission Control
[IMPALA-13209] - ExchangeNode's ConvertRowBatchTime can be high
[IMPALA-13254] - Optimizing incremental reload performance of Iceberg tables
[IMPALA-13293] - LocalCatalog's waitForCatalogUpdate() sleeps too much
[IMPALA-13308] - Build toolchain GCC with profile guided optimization
[IMPALA-13312] - Use client address from X-Forwarded-For Header in Ranger Audit Logs
[IMPALA-13319] - Avoid duplicate exec option declaration in py.test
[IMPALA-13323] - Remove redundant tests in test_join_queries.py
[IMPALA-13325] - Use RowBatch::CopyRows in IcebergDeleteNode
[IMPALA-13371] - Avoid throwing exceptions in FileSystemUtil::FindFileInPath()
[IMPALA-13372] - Declare batch_size dimension for TestAggregationQueriesRunOnce
[IMPALA-13396] - Unify temporary dir management in CustomClusterTestSuite
[IMPALA-13405] - Lower AggregationNode cardinality by analyzing estimate of source Tuple
[IMPALA-13412] - Switch impala.tuple-cache.entries-in-use-bytes from UNIT to BYTES
[IMPALA-13415] - Add a reporting mode that can proceed past query failures in run_test_case()
[IMPALA-13427] - Make the statestore HA rpc's socket connection timeout tunable
[IMPALA-13433] - Make query_test/test_sfs.py resilient to HMS failure to create database directories
[IMPALA-13465] - Trace TupleId further to reduce Agg cardinality
[IMPALA-13501] - Conflicting commits to Iceberg tables leave uncommitted orphan files
[IMPALA-13507] - Add param to disable glog buffering in with_args fixture
[IMPALA-13509] - Avoid duplicate deepcopy during hash partitioning in KrpcDataStreamSender
[IMPALA-13512] - Print .test file name if PlannerTest fail
[IMPALA-13516] - Calcite Planner: Fix explicit cast issues
[IMPALA-13535] - Add script to restore stats on PlannerTest files
[IMPALA-13543] - Make tpcds_partitioned eligible for single_node_perf_run.py
[IMPALA-13556] - Log GetRuntimeProfile and GetExecSummary at VLOG_QUERY
[IMPALA-13565] - Add general AI support to ai_generate_text built-in function
[IMPALA-13567] - Update RowsRead counter more frequently.
[IMPALA-13585] - Make pip_download.py interruptible
[IMPALA-13617] - Rename c_last_review_date to c_last_review_date_sk
[IMPALA-13620] - Lower default parallelism of compute_table_stats.py
[IMPALA-13628] - PeriodicCounterUpdater should use impala::Thread
[IMPALA-13636] - TestTpcdsInsert ignores file_format from test vector
[IMPALA-13637] - Create a backend flag to control tuple-analysis in AggregationNode
[IMPALA-13641] - Parquet specific counters should not exist if not reading any parquet file
[IMPALA-13642] - Several test vector is being ignored in test_scanners.py
[IMPALA-13643] - HDFS_SCANNER_THREAD_CHECK_SOFT_MEM_LIMIT is ineffective in MT_DOP > 0
[IMPALA-13658] - Cache aggregate results below exchange
[IMPALA-13665] - Parallelize TestDecimalFuzz
[IMPALA-13668] - Add default_test_protocol parameter to conftest.py
[IMPALA-13683] - Add env var to skip infra tests and verifiers.
[IMPALA-13694] - Add ImpalaConnection.reset_configuration method.
[IMPALA-13747] - unique_database fixture may taint ImpalaTestSuite.client

Bug

[IMPALA-9441] - TestHS2.test_get_schemas is flaky in local catalog mode
[IMPALA-10451] - TestAvroSchemaResolution.test_avro_schema_resolution fails when bumping Hive to have HIVE-24157
[IMPALA-11298] - Compare only the short username when checking session user against connection user
[IMPALA-11431] - TestComputeStatsWithNestedTypes.test_compute_stats_with_structs fails in an exhaustive build
[IMPALA-11761] - test_partition_dir_removed_inflight fails with "AssertionError: REFRESH should fail"
[IMPALA-11934] - TestBatchReadingFromRemote seems to be flaky in the Ozone build
[IMPALA-11943] - Performance regression in utf8 string functions due to utf8_mode checks
[IMPALA-12146] - Memory reserved doesn't get updated if an executor backend gets abnormally terminated
[IMPALA-12277] - metadata reload of INSERT failed by NullPointerException: Invalid partition name
[IMPALA-12336] - Testcases failed with "Memory is likely oversubscribed"
[IMPALA-12345] - Add user quotas to Admission Control
[IMPALA-12559] - Support x5c Parameter in JSON Web Keys (JWK)
[IMPALA-12616] - test_restart_catalogd_while_handling_rpc_response* tests fail not reaching expected states
[IMPALA-12680] - NullPointerException in addHmsPartitions() during MetastoreEventsProcessor switch state from PAUSED to ACTIVE
[IMPALA-12712] - INVALIDATE METADATA <table> should set a better createEventId
[IMPALA-12758] - Event Processor is ignoring the prev_id while reloading the existing partitions
[IMPALA-12771] - Impala catalogd events-skipped may mark the wrong number
[IMPALA-12792] - Wrong indentation in DataSourceScanNode.getNodeExplainString
[IMPALA-12850] - Add better error message for REFRESH iceberg_tbl PARTITION(...)
[IMPALA-12856] - IllegalStateException in processing RELOAD events due to malformed HMS Partition objects
[IMPALA-12857] - Add flag to enable merge-on-read even if tables are configured with copy-on-write
[IMPALA-12861] - File formats are confused when Iceberg tables has mixed formats
[IMPALA-12937] - test_admission_controller.py::test_mem_limit failed in exhaustive build
[IMPALA-12943] - Document User Quota Model for Admission control
[IMPALA-12967] - Testcase fails at test_migrated_table_field_id_resolution due to "Table does not exist"
[IMPALA-12997] - test_query_log tests get stuck trying to write to the log
[IMPALA-13028] - libkudu_client.so is not stripped in the DEB/RPM packages
[IMPALA-13034] - Add logs for slow HTTP requests dumping the profile
[IMPALA-13035] - Querying metadata tables from non-Iceberg tables throws IllegalArgumentException
[IMPALA-13040] - SIGSEGV in QueryState::UpdateFilterFromRemote
[IMPALA-13049] - Add dependency management for the log4j2 version
[IMPALA-13057] - Incorporate tuple/slot information into the tuple cache key
[IMPALA-13058] - TestRuntimeFilters.test_basic_filters failed in exhaustive mode on ARM builds
[IMPALA-13059] - Testcase fails at test_migrated_table_field_id_resolution due to unmatched column number or metadata file for version 2 is missing
[IMPALA-13067] - Some regex make the tests unconditionally pass
[IMPALA-13076] - Add pstack and jstack to Impala docker images
[IMPALA-13077] - Equality predicate on partition column and uncorrelated subquery doesn't reduce the cardinality estimate
[IMPALA-13082] - Use separate versions for jackson-databind vs jackson-core, etc.
[IMPALA-13085] - Add warning and NULL out DECIMAL values in Iceberg metadata tables
[IMPALA-13086] - Cardinality estimate of AggregationNode should consider predicates on group-by columns
[IMPALA-13089] - Patch for IMPALA-12559 breaks compilation on Ubuntu 16 and CentOS 7
[IMPALA-13091] - query_test.test_iceberg.TestIcebergV2Table.test_metadata_tables fails on an expected constant
[IMPALA-13102] - Loading tables with illegal stats failed
[IMPALA-13105] - Multiple imported query profiles fail to import/clear at once
[IMPALA-13107] - Invalid TExecPlanFragmentInfo received by executor with instance number as 0
[IMPALA-13111] - impala-gdb.py's find-query-ids/find-fragment-instances return unusable query ids
[IMPALA-13119] - CostingSegment.java is initialized with wrong cost
[IMPALA-13128] - disk-file-test hangs on ARM + UBSAN test jobs
[IMPALA-13129] - Hit DCHECK when skipping MIN_MAX runtime filter
[IMPALA-13130] - Under heavy load, Impala does not prioritize data stream operations
[IMPALA-13131] - Azure OpenAI API expects 'api-key' instead of 'Authorization' in the request header
[IMPALA-13132] - Ozone jobs see intermittent termination of Ozone manager / HMS fails to start
[IMPALA-13134] - DDL hang with SYNC_DDL enabled when Catalogd is changed to standby status
[IMPALA-13138] - Never smallify existing StringValue objects, only new ones during DeepCopy
[IMPALA-13143] - TestCatalogdHA.test_catalogd_failover_with_sync_ddl times out expecting query failure
[IMPALA-13144] - TestIcebergTable.test_migrated_table_field_id_resolution fails with Disk I/O error
[IMPALA-13146] - Javascript tests sometimes fail to download NodeJS
[IMPALA-13150] - Possible buffer overflow in StringVal::CopyFrom()
[IMPALA-13151] - DataStreamTestSlowServiceQueue.TestPrioritizeEos fails on ARM
[IMPALA-13152] - IllegalStateException in computing processing cost when there are predicates on analytic output columns
[IMPALA-13154] - Some tables are missing in Top-N Tables with Highest Memory Requirements
[IMPALA-13159] - Running queries been cancelled after statestore failover
[IMPALA-13161] - impalad crash -- impala::DelimitedTextParser<true>::ParseFieldLocations
[IMPALA-13167] - Impala's coordinator could not be connected after a restart in custom cluster test in the ASAN build
[IMPALA-13170] - InconsistentMetadataFetchException due to database dropped when showing databases
[IMPALA-13179] - Disable tuple caching when using non-deterministic functions
[IMPALA-13181] - Disable tuple caching for locations that have a limit
[IMPALA-13185] - Tuple cache keys need to incorporate runtime filter information
[IMPALA-13186] - Tuple cache keys should incorporate information about related query options
[IMPALA-13193] - RuntimeFilter on parquet dictionary should evaluate null values
[IMPALA-13195] - Failed test: test_migrated_table_field_id_resolution with missing metadata file
[IMPALA-13196] - Query timeline page can not display normally when Knox proxying is being used
[IMPALA-13203] - ExprRewriter did not rewrite 'id = 0 OR false' as expected
[IMPALA-13207] - The 'sys' database for system tables blacklisted by default
[IMPALA-13214] - test_shell_commandline..test_removed_query_option failed with assertion failure
[IMPALA-13222] - Impala S3 test runs leave stale files in the .Trash subtree on S3
[IMPALA-13226] - TupleCacheInfo unintentionally overwrites Object.finalize()
[IMPALA-13231] - Some auto-generated files for ranger are not ignored by Git
[IMPALA-13232] - Loading external data sources fails in JDK11 builds
[IMPALA-13252] - Filter update log message prints TUniqueId in non-standard format
[IMPALA-13262] - Predicate pushdown causes incorrect results in join condition
[IMPALA-13270] - Bug when comparing ExprSubstitutionMap.size()
[IMPALA-13272] - Analytic function of collections can lead to crash
[IMPALA-13274] - Crash in impala::RowDescriptor::TupleIsNullable(int)
[IMPALA-13277] - test_create_cache_many_tables fails with 'InvalidOperationException: Alter table in REMOTE database is not allowed'
[IMPALA-13279] - In some environments, code coverage produces an empty report
[IMPALA-13280] - Cluster of memory oversubscription errors
[IMPALA-13286] - Zero-sized rows in BufferedTupleStream can cause impalad to crash
[IMPALA-13291] - finalize.sh reports that py.test was oom killed in test run
[IMPALA-13295] - Undefined name 'index' in tests/util/workload_management.py
[IMPALA-13296] - Hive to Iceberg table-migration: pre-check column compatibility
[IMPALA-13298] - TestRPCTimeout.test_miss_complete_cb: RPC Failed: Could Not Connect
[IMPALA-13300] - Maven Could Not Acquire Lock(s)
[IMPALA-13302] - Some ExprRewriteRule results are not analyzed, leading to unmaterialized slots from reAnalyze
[IMPALA-13303] - File listing could still be recursive even if impala.disable.recursive.listing is true
[IMPALA-13309] - Toolchain Kudu build fails unable to find gradle-scalafmt
[IMPALA-13310] - Add the value of the http ‘X-Forwarded-For’ header to the runtime profile
[IMPALA-13311] - Hive3 INSERT failed by ClassNotFoundException: org.apache.tez.runtime.api.Event
[IMPALA-13313] - Potential deadlock in ImpalaServer::ExpireQueries()
[IMPALA-13315] - Test_tuple_cache_tpc_queries failing
[IMPALA-13316] - test_local_catalog_no_event_processing failing for impala asf asan
[IMPALA-13317] - Test_tuple_cache_tpc_queries failing
[IMPALA-13322] - Cannot Alter Table sys.impala_query_live
[IMPALA-13328] - Failed to build the impala_quickstart_client docker image
[IMPALA-13330] - test_nested_types.py does not exercise orc_schema_resolution
[IMPALA-13334] - test_sort.py hit DCHECK when max_sort_run_size>0
[IMPALA-13340] - COPY TESTCASE in LocalCatalog mode doesn't dump the partition and file metadata
[IMPALA-13341] - Fix mismatch exec option values in py.test files
[IMPALA-13343] - TestTPCHJoinQueries.test_outer_joins create duplicate table
[IMPALA-13344] - Impala rewrites may be incomplete
[IMPALA-13347] - TSAN failure in backend tests after IMPALA-12737
[IMPALA-13349] - Fix remaining tests that have unexercised exec option dimensions
[IMPALA-13350] - Workload Management flush on interval test failed
[IMPALA-13364] - Schema resolution doesn't work for migrated partitioned Iceberg tables that have complex types
[IMPALA-13377] - test_recover_partitions.py does not exercise its vector
[IMPALA-13378] - Impalad crash in RowDescriptor::InitTupleIdxMap()
[IMPALA-13383] - TestIcebergTable.test_create_table_like_table failed in exhaustive mode
[IMPALA-13384] - Precommit jobs *-build-only[-ARM] became a lot slower
[IMPALA-13388] - TestStatestoredHA.test_statestored_auto_failover failed in UBSAN ARM
[IMPALA-13390] - TestExchangeMemUsage::test_exchange_mem_usage_scaling is flaky again
[IMPALA-13391] - Need to exclude log4j-slf4j-impl coming from hadoop-cloud-storage
[IMPALA-13397] - TestBannedLogMessages.test_no_tuniqueid fail due to log line from TransactionKeepalive.java
[IMPALA-13399] - Thrift RPCs for Statestore heartbeat timed out randomly in UBSAN build
[IMPALA-13407] - Codegen fails with struct in TOP-N
[IMPALA-13408] - use a specific flag for the topic prefix cluster identifier.
[IMPALA-13411] - DCHECK can fire for scan nodes that produce zero-length tuples
[IMPALA-13431] - custom_cluster.test_breakpad.TestLogging.test_excessive_cerr_ignore_pid fails on UBSAN
[IMPALA-13432] - TestIcebergTable.test_migrated_table_field_id_resolution_complex fails with type difference
[IMPALA-13445] - Cost-based planning can reduce writer parallelism too much
[IMPALA-13448] - Impala should log the reason why it fails to open a log file
[IMPALA-13452] - Remove Java test dependencies from compile scope
[IMPALA-13462] - CalcitePlanner: add support for specific functions used in tpcds queries
[IMPALA-13463] - Impala should ignore case of Iceberg schema elements
[IMPALA-13467] - test_min_max_filters() failed due to NullPointerException
[IMPALA-13469] - test_query_cpu_count_on_insert seems to be flaky
[IMPALA-13471] - test_enable_reading_puffin() seems to fail in the Ozone build
[IMPALA-13477] - CTAS query should set request_pool in QueryStateRecord
[IMPALA-13480] - PlannerTest.testAggregation should VALIDATE_CARDINALITY
[IMPALA-13484] - Querying an Iceberg table with TIMESTAMP_LTZ can cause data loss
[IMPALA-13500] - test_invalidate_stale_partition_on_reload is flaky
[IMPALA-13505] - NullPointerException in Analyzer.resolveActualPath with Calcite planner
[IMPALA-13510] - Unset the environment variable for tuple cache tests
[IMPALA-13526] - Inconsistent Agg node stats recomputation.
[IMPALA-13536] - Tests failing in TestWorkloadManagementInitWait on Ozone
[IMPALA-13539] - TestCalcitePlanner.test_calcite_frontend fails on non-HDFS test jobs
[IMPALA-13560] - test_admission_controller_with_quota_configs fails with assertion error
[IMPALA-13561] - test_read_mixed_format_position_deletes fails with newer Hive versions
[IMPALA-13589] - SELECT INPUT__FILE__NAME can crash Impala
[IMPALA-13592] - OpenSSL rebase to 3.2 in RHEL / Rocky 9.5 breaks Impala
[IMPALA-13596] - Verify Admission Control configuration at startup
[IMPALA-13597] - Precommit step gerrit-auto-critique fails unconditionally
[IMPALA-13598] - OPTIMIZE redundantly accumulates memory in HDFS WRITER
[IMPALA-13600] - custom_cluster.test_shell_jwt_auth.TestImpalaShellJWTAuth.test_jwt_auth_valid fails intermittently
[IMPALA-13605] - Upgrade Spring framework to 5.3.39 for bug and CVE fixes
[IMPALA-13608] - TestIcebergTable.test_catalogs failed in exhaustive mode
[IMPALA-13619] - Update commons-lang3
[IMPALA-13622] - Precondition hit when tpch.customer stats are missing
[IMPALA-13634] - ImpalaTestSuite.cleanup_db() should keep the original sync_ddl value
[IMPALA-13635] - TestEventProcessingError.test_event_processor_error_global_invalidate fails in year 2025
[IMPALA-13638] - Translate apostrophe to underscore in Prometheus metric names.
[IMPALA-13644] - Generalize and move getPerInstanceNdvForCpuCosting into AggregationNode.
[IMPALA-13655] - UPDATE redundantly accumulates memory in HDFS WRITER
[IMPALA-13656] - MERGE redundantly accumulates memory in HDFS WRITER
[IMPALA-13662] - ARM build of Impala fails on Rocky 9
[IMPALA-13664] - Lower datanucleus.connectionPool.maxPoolSize to 20.
[IMPALA-13672] - Migrate query_test/test_kudu.py to use hs2 protocol.
[IMPALA-13678] - Validate remote_submit_time against coordinator time
[IMPALA-13680] - Some SSL tests hang with OpenSsl 3.2 .RHEL 9.5
[IMPALA-13689] - Some Webserver tests fail with newer curl version
[IMPALA-13691] - Processing INSERT event failed by partition values mismatch
[IMPALA-13693] - Loading ext-data-sources fails on Rocky 9.5 with postgresql permission issues
[IMPALA-13701] - Make test_invalidate_stale_partition_on_reload more deterministic
[IMPALA-13705] - Environment specific errors in test_encryption_exprs
[IMPALA-13728] - OpenSSLUtilTest.ValidateInitialize failed by AES_128_GCM not supported
[IMPALA-13736] - Potential Use After Free in ExecutorGroup
[IMPALA-13742] - Failed to build RPM packages on CentOS7 and Redhat8
[IMPALA-13759] - Hive ACID table base folder identification procedure is inconsistent with Hive
[IMPALA-13761] - TestAdmissionControllerWithACService.test_coord_only_pool_exec_groups fail
[IMPALA-13768] - Redundant Iceberg delete records are shuffled around which cause error "Invalid file path arrived at builder"
[IMPALA-13769] - Use Hive ACID metadata files when detecting base dirs created by compaction
[IMPALA-13770] - Updating Iceberg tables with UDFs crashes Impala
[IMPALA-13771] - ASAN Test Failure in cluster-membership-mgr-test

Task

[IMPALA-6311] - Evaluate smaller FPP for Bloom filters
[IMPALA-12769] - test_query_cancel_exception failed in ASAN build
[IMPALA-12906] - Incorporate run time scan range information into the tuple cache key
[IMPALA-12907] - Add test for TPC-H / TPC-DS queries with tuple caching
[IMPALA-12908] - Add a correctness verification mode for tuple caching
[IMPALA-12921] - Consider adding support for locally built Ranger
[IMPALA-12939] - Improve default for IMPALA_BUILD_THREADS
[IMPALA-12985] - Use the new constructor when instantiating RangerAccessRequestImpl
[IMPALA-13044] - Upgrade bouncycastle to 1.78
[IMPALA-13046] - Rework Iceberg mixed format delete test for Hive optimization
[IMPALA-13051] - Speed up test_query_log test runs
[IMPALA-13053] - Update test_max_nesting_depth test to write Orc with Impala
[IMPALA-13121] - Move the toolchain to a newer version of ccache
[IMPALA-13175] - Upgrade Spring framework to 5.3.37 for bug and CVE fixes
[IMPALA-13180] - Upgrade postgresql to 42.5.5
[IMPALA-13188] - Add test that compute stats does not result in a different tuple cache key
[IMPALA-13230] - Add a way to dump stack traces for impala-shell while it is running
[IMPALA-13240] - Add tools to detect incompatible changes in catalog and statestore service
[IMPALA-13243] - Update Dropwizard Metrics to supported version
[IMPALA-13253] - Add option to use TCP keepalives for client connections
[IMPALA-13264] - bin/coverage_helper.sh should always use gcov from the toolchain
[IMPALA-13294] - Add option to use long polling for get_state/GetOperationStatus
[IMPALA-13301] - Upgrade aircompressor
[IMPALA-13305] - Better Thrift/FlatBuffers compatibility checks based on AST parsing
[IMPALA-13393] - Cleanup outdated maven config
[IMPALA-13395] - Adds USE_APACHE_COMPONENTS=true in all-build-options job
[IMPALA-13402] - Avoid starting cluster for skipped tests in test_tuple_cache
[IMPALA-13406] - Upgrade curl to latest version (8.10.1)
[IMPALA-13426] - Log Java debug sleeps in dev environment
[IMPALA-13446] - Bump CDP GBN to get new Ranger functionality
[IMPALA-13497] - Add profile counters for bytes written / read from the tuple cache
[IMPALA-13502] - Constructor cleanup
[IMPALA-13503] - Support CustomClusterTestSuite with single cluster for a class
[IMPALA-13518] - Show target name of COMMIT_TXN events in logs
[IMPALA-13551] - Produce impala-shell tarball using pip install
[IMPALA-13603] - TestQueryLive.test_query_live fails with AnalysisException: Could not resolve path: 'sys.impala_query_live'
[IMPALA-13618] - Move to commons-lang3
[IMPALA-13639] - test_query_cancel_exception can fail if prior test query has not completed

Sub-task

[IMPALA-11491] - Support BINARY nested in complex types in select list
[IMPALA-11889] - Document changes introduced by Hive's ESRI geospatial functions
[IMPALA-12651] - Add support to BINARY type Iceberg Metadata table columns
[IMPALA-12754] - Update Impala document to cover external jdbc table
[IMPALA-12786] - Optimize count(*) for JSON scans
[IMPALA-12789] - Fix unit-test code JdbcDataSourceTest.java
[IMPALA-12867] - Filter files to OPTIMIZE based on file size
[IMPALA-12872] - Support basic queries using Calcite on the frontend
[IMPALA-12899] - Temporary workaround for BINARY in complex types
[IMPALA-12934] - Import parser files from Calcite into Impala
[IMPALA-12935] - Allow function parsing for Impala Calcite planner
[IMPALA-12940] - Implement filtering conditions
[IMPALA-12947] - Implement Values and Union Calcite RelNodes
[IMPALA-12954] - Implement Sort capability
[IMPALA-12964] - Implement aggregation capability
[IMPALA-12973] - Add support for BINARY in complex types in Iceberg metadata tables
[IMPALA-13018] - Fix test_tpcds_queries.py/TestTpcdsQueryForJdbcTables.test_tpcds-decimal_v2-q80a failure
[IMPALA-13019] - Add query option to keep DBCP DataSource objects in cache for longer time
[IMPALA-13022] - Need infrastructure to handle implicit casting for functions
[IMPALA-13079] - Add support for FLOAT/DOUBLE in Iceberg metadata tables
[IMPALA-13101] - test_data_source_tables fails with Data source does not exist
[IMPALA-13123] - Add a way to run tests with python 3
[IMPALA-13124] - Migrate tests that use the 'unittest' package to use normal pytest base class
[IMPALA-13197] - Implement analytic functions
[IMPALA-13205] - Use separate merge query when there are no delete or update cases listed
[IMPALA-13211] - Add negative test for Parquet Byte Stream Split encoding
[IMPALA-13246] - Smallify strings during broadcast exchange
[IMPALA-13247] - Support Reading Puffin files for the current snapshot
[IMPALA-13256] - SQLDataException in external JDBC table query request
[IMPALA-13324] - Rewrite complex merge queries for IcebergMergeImpl
[IMPALA-13361] - INSERT *, UPDATE * syntax for MERGE statement
[IMPALA-13362] - WHEN NOT MATCHED BY SOURCE syntax for MERGE statement
[IMPALA-13368] - Drop dependency on platform.linux_distribution to support Python 3.8
[IMPALA-13370] - Read Puffin stats from metadata.json property if available
[IMPALA-13425] - Using Calcite planner for Iceberg tables crashes impalad
[IMPALA-13429] - Calcite planner: Outer join query with nonequi conjunct crashes Impala server
[IMPALA-13430] - Calcite planner: test_exprs test_expr_child_limit runs slow
[IMPALA-13441] - Support explain statement in Calcite Planner
[IMPALA-13455] - Calcite planner: convert expressions to normal form for performance
[IMPALA-13456] - Calcite planner: Fix issues with quotes
[IMPALA-13457] - Calcite planner: fix datetime/interval issues for tpcds queries
[IMPALA-13459] - Calcite planner: duplicate table in a query fails
[IMPALA-13461] - Calcite planner: Need some translation rules to get tpcds queries to work
[IMPALA-13468] - Calcite planner: fix aggregation.test queries
[IMPALA-13482] - Calcite planner: Bug fixes for an analytics.test
[IMPALA-13494] - Calcite planner: group_concat failing with distinct
[IMPALA-13495] - Calcite planner: Make exceptions easier to classify
[IMPALA-13541] - Calcite planner: Fix explicit_cast regression in tpcds 32
[IMPALA-13594] - Read Puffin stats also from older snapshots

Test

[IMPALA-13055] - Some Iceberg metadata table tests doesn't assert
[IMPALA-13386] - Fix test_metastore_service.py after HIVE-27984

Documentation

[IMPALA-11328] - Mistmatch on max_errors documentation
[IMPALA-11663] - Outdated documentation for MT_DOP
[IMPALA-13036] - Document Iceberg metadata tables
[IMPALA-13071] - Update the doc of Impala components
[IMPALA-13220] - Document DROP PARTITION for Iceberg tables
[IMPALA-13250] - Document ENABLED_RUNTIME_FILTER_TYPES query option
[IMPALA-13257] - Add doc for unnest() function and querying arrays
[IMPALA-13259] - [DOC] Coordinators' Subscription to Statestore Topics- impala-membership and impala-request-queue
[IMPALA-13271] - Ranger Impala Authorization | Non-recursive policy
[IMPALA-13276] - Revise the documentation of query option 'RUNTIME_FILTER_WAIT_TIME_MS'
[IMPALA-13376] - Slight documentation mistake for AGG_MEM_CORRELATION_FACTOR
[IMPALA-13392] - Document File Filtering in OPTIMIZE Statement
[IMPALA-13410] - Document reading Puffin files
[IMPALA-13588] - Update Puffin reading doc after IMPALA-13370