Issues

• Add Support for ANSI TRIM Syntax in Presto UI

  feature request
  prestodb/presto#28755 · Filter by author nishithakbhaskaran opened on Nov 2, 2026
  

• reduce_agg charges every group for the whole intermediate page

  bug
  prestodb/presto#28750 · Filter by author czentgr opened on Oct 30, 2026

• Kafka connector: INSERT fails (null key.serializer, unregistered JSON encoder) and the round-trip write test is silently skipped

  bug
  prestodb/presto#28749 · Filter by author czentgr opened on Oct 30, 2026

• Iceberg: Wrong results when filtering on or reading row lineage columns (_row_id, _last_updated_sequence_number)

  bug
  prestodb/presto#28743 · Filter by author Joe-Abraham opened on Oct 30, 2026

• Remove Spark 2 support from Presto-on-Spark

  feature request
  prestodb/presto#28737 · Filter by author kevintang2022 opened on Oct 29, 2026
  

• MySQL geometry column reads fail with NoClassDefFoundError: EsriGeometrySerde in Presto 0.298.1

  bug
  prestodb/presto#28734 · Filter by author Ninad07 opened on Oct 29, 2026

• Cassandra connector returns wrong results when filtering on date, real or inet clustering keys or indexed columns

  bug
  prestodb/presto#28730 · Filter by author acuhlian opened on Oct 27, 2026

• Fix nested field casing mismatch in native Iceberg Parquet reads

  bug
  prestodb/presto#28712 · Filter by author Shreya-ibm opened on Oct 23, 2026
  

• fix(iceberg): Match nested struct fields by Iceberg field ID in Parquet and ORC readers

  bug
  prestodb/presto#28705 · Filter by author Shreya-ibm opened on Oct 23, 2026

• Proposal: Cap lpad / rpad size to 1MB

  bug
  prestodb/presto#28697 · Filter by author natashasehgal opened on Oct 21, 2026
  1

• Iceberg: column defaults of type VARBINARY, FIXED, TIMESTAMP WITH TIME ZONE or UUID break reads and inserts

  prestodb/presto#28692 · Filter by author Joe-Abraham opened on Oct 21, 2026
  1

  

• SHOW CREATE TABLE does not print column DEFAULT values

  prestodb/presto#28688 · Filter by author aditi-pandit opened on Oct 20, 2026
  2

  

• Iceberg: identity partitions on timestamptz columns fail with "Invalid partition type timestamp with time zone"

  bug
  prestodb/presto#28662 · Filter by author tullis opened on Oct 15, 2026

• Nondeterministic split order between split source and worker enqueueing

  bug
  prestodb/presto#28656 · Filter by author lak-ibm opened on Oct 15, 2026

• Presto CLI Authentication Failure When Routing Queries Through Presto Router

  bug
  prestodb/presto#28649 · Filter by author NivinCS opened on Oct 14, 2026
  

• [native] ArrowFlightConnector fails with nested timestamp with time zone types

  bugprestissimo
  Bug

  prestodb/presto#28644 · Filter by author BryanCutler opened on Oct 12, 2026
  

• Testing Presto server can serialize connector handles with incorrect type with JDBC based connectors

  bugtests
  Bug

  prestodb/presto#28643 · Filter by author BryanCutler opened on Oct 12, 2026

• [native] Native worker cannot read back Iceberg ORC tables it wrote ("lz4 failed to decompress")

  bug
  prestodb/presto#28599 · Filter by author agrawalreetika opened on Oct 6, 2026
  2

• BETWEEN returns NULL when a bound is NULL, even when the result is known

  bug
  prestodb/presto#28582 · Filter by author mbasmanova opened on Oct 5, 2026
  1

  

• Flaky test in redis-hbo-provider: TestHistoryBasedRedisStatisticsTracking.testConcurrentHistoryBasedStatsCalculator fails intermittently in CI

  flaky-buildtests
  Bug

  prestodb/presto#28575 · Filter by author yingsu00 opened on Oct 1, 2026

• PrestoS3OutputStream writes byte-by-byte: missing write(byte[], int, int) override makes S3 uploads CPU-bound

  prestodb/presto#28574 · Filter by author billykern opened on Oct 1, 2026

• Casting to DECIMAL(38, 38) fails for representable values (e.g. 0)

  bug
  prestodb/presto#28553 · Filter by author lingbin opened on Sep 25, 2026
  1

• Iceberg: a renamed field inside a struct is read as NULL (ORC always, Parquet with dereference pushdown)

  bug
  prestodb/presto#28539 · Filter by author yingsu00 opened on Sep 23, 2026

• Order INNER join filter conjuncts: ON-clause equalities should run before pushed-down post-join predicates

  prestodb/presto#28523 · Filter by author kaikalur opened on Sep 21, 2026
  1

• Flaky test: TestHistoryBasedStatsTracking.testJoinWithProbeNull fails sometimes in CI

  iceberg
  prestodb/presto#28518 · Filter by author yingsu00 opened on Sep 19, 2026
  1