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Native aggregate fails after spilling when groups are few and large (collect_list, collect_set)
bugSomething isn't workingSomething isn't workingStatus: Open.#6363 In apache/datafusion-comet;[EPIC] Timezone handling bugs
area:expressionsExpression evaluationExpression evaluationarea:scanParquet scan / data readingParquet scan / data readingbugSomething isn't workingSomething isn't workingpriority:criticalData corruption, silent wrong results, security issuesData corruption, silent wrong results, security issuesStatus: Open.#6335 In apache/datafusion-comet;Native IF fails with "column types must match schema types" when its branches differ in nested nullability
bugSomething isn't workingSomething isn't workingStatus: Open.#6334 In apache/datafusion-comet;days transform is evaluated in the session timezone, while hours and Iceberg use UTC
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingpriority:lowMinor issues, test failures, tooling, cosmeticMinor issues, test failures, tooling, cosmeticStatus: Open.#6333 In apache/datafusion-comet;Native CSV V2 scan parses timestamps as UTC and ignores the session timezone
area:scanParquet scan / data readingParquet scan / data readingbugSomething isn't workingSomething isn't workingpriority:lowMinor issues, test failures, tooling, cosmeticMinor issues, test failures, tooling, cosmeticStatus: Open.#6332 In apache/datafusion-comet;Native timezone rules come from chrono-tz's bundled tzdata, so results differ from Spark when the JVM's tzdata differs
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingpriority:mediumFunctional bugs, performance regressions, broken featuresFunctional bugs, performance regressions, broken featuresStatus: Open.#6331 In apache/datafusion-comet;Native date_trunc labels its output with the session timezone, so comparing it with another timestamp fails in Etc/UTC sessions
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingpriority:highCrashes, panics, segfaults, major functional breakageCrashes, panics, segfaults, major functional breakageStatus: Open.#6330 In apache/datafusion-comet;Session timezone IDs such as GMT+8, Z and PST make native timestamp expressions fail
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingpriority:highCrashes, panics, segfaults, major functional breakageCrashes, panics, segfaults, major functional breakageStatus: Open.#6329 In apache/datafusion-comet;Native timestamp_seconds returns a TIMESTAMP_NTZ-typed array, so downstream expressions ignore the session timezone
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingpriority:criticalData corruption, silent wrong results, security issuesData corruption, silent wrong results, security issuesStatus: Open.#6328 In apache/datafusion-comet;CASE and COALESCE over timestamps panic when the branches have different Arrow timezones
area:expressionsExpression evaluationExpression evaluationbugSomething isn't workingSomething isn't workingcrashNative engine crash/panic/segfaultNative engine crash/panic/segfaultpriority:highCrashes, panics, segfaults, major functional breakageCrashes, panics, segfaults, major functional breakageStatus: Open.#6327 In apache/datafusion-comet;- Status: Open.#6321 In apache/datafusion-comet;
Support Spark 4.2 geometry type + functions
area:expressionsExpression evaluationExpression evaluationenhancementNew feature or requestNew feature or requestStatus: Open.#6317 In apache/datafusion-comet;