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[BUG] Data skipping order-preserving whitelist: unix_timestamp parity gap and format-monotonicity holes in live arms

Status: Open.

#19481 In apache/hudi;

· voonhous opened on Aug 3, 2026

[BUG] Expression index with to_date/to_timestamp + format is never selected by real queries; test harness feeds shapes production never produces

Status: Open.

#19480 In apache/hudi;

· voonhous opened on Aug 3, 2026

[BUG] Data skipping: left(col, n) predicates never prune -- whitelist arm matches a shape the optimizer eliminated (SPARK-38240)

Status: Open.

#19479 In apache/hudi;

· voonhous opened on Aug 3, 2026

docs: metrics page omits that the CloudWatch reporter needs hudi-aws-bundle on Spark

docs

priority:lowLow impact; nice-to-haveLow impact; nice-to-have

type:improvementImprovements to existing functionalityImprovements to existing functionality

Status: Open.

#19472 In apache/hudi;

· voonhous opened on Aug 3, 2026

hudi-presto-bundle depends on hudi-hadoop-mr-bundle, a fat jar whose classes it already shades

area:buildBuild and dependenciesBuild and dependencies

priority:lowLow impact; nice-to-haveLow impact; nice-to-have

type:devtaskDevelopment tasks and maintenance workDevelopment tasks and maintenance work

Status: Open.

#19469 In apache/hudi;

· voonhous opened on Aug 3, 2026

packaging/bundle-validation has no hudi-presto-bundle coverage

area:buildBuild and dependenciesBuild and dependencies

priority:mediumModerate impact; usability gapsModerate impact; usability gaps

type:devtaskDevelopment tasks and maintenance workDevelopment tasks and maintenance work

Status: Open.

#19468 In apache/hudi;

· voonhous opened on Aug 3, 2026

Hoist maven-shade-plugin dependency-reduced POM flags to the root pom

area:buildBuild and dependenciesBuild and dependencies

priority:mediumModerate impact; usability gapsModerate impact; usability gaps

type:devtaskDevelopment tasks and maintenance workDevelopment tasks and maintenance work

Status: Open.

#19466 In apache/hudi;

· voonhous opened on Aug 3, 2026

HoodieTableState is write-only except latestCommitTimestamp; collapse it into a plain parameter

Status: Open.

#19465 In apache/hudi;

· voonhous opened on Aug 3, 2026

[BUG] hudi-trino: pushed-down predicate on a float -> double evolved column fails the query

Status: Open.

#19457 In apache/hudi;

· wombatu-kun opened on Aug 2, 2026

fix(spark): extended SQL parser enforces ANSI reserved keywords on Spark 4.x, rejecting TIMESTAMP columns in BLOB/VECTOR DDL

Status: Open.

#19449 In apache/hudi;

· voonhous opened on Jul 31, 2026

SQL UPDATE on MOR table with hoodie.populate.meta.fields=false writes a log file with an empty fileId

Status: Open.

#19448 In apache/hudi;

· voonhous opened on Jul 31, 2026

Verify to_date/to_timestamp data skipping still works after ReplaceExpressions

Status: Open.

#19446 In apache/hudi;

· voonhous opened on Jul 31, 2026