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LIMIT -N over a posting/covering index with a residual filter returns the first N rows instead of the last N

BugIncorrect or unexpected behaviorIncorrect or unexpected behavior

CoreRelated to storage, data type, etc.Related to storage, data type, etc.

SQLIssues or changes relating to SQL executionIssues or changes relating to SQL execution

Status: Open.

#7181 In questdb/questdb;

· puzpuzpuz opened on May 29, 2026

Password-file properties in server.conf fail strict validation

Status: Open.

#7174 In questdb/questdb;

· jordan-angold-sophos opened on May 27, 2026

SAMPLE BY FILL(PREV(symbol_col)) rejected for aliased duplicate first() aggregate

EnhancementEnhance existing functionalityEnhance existing functionality

SQLIssues or changes relating to SQL executionIssues or changes relating to SQL execution

Status: Open.

#7159 In questdb/questdb;

· jovfer opened on May 26, 2026

Sub-optimal plan used for window functions with ORDER BY ts DESC

EnhancementEnhance existing functionalityEnhance existing functionality

PerformancePerformance improvementsPerformance improvements

SQLIssues or changes relating to SQL executionIssues or changes relating to SQL execution

Status: Open.

#7154 In questdb/questdb;

· puzpuzpuz opened on May 26, 2026

QWP WS: flushAndGetSequence() contract conflicts with implementation and drain() semantics

BugIncorrect or unexpected behaviorIncorrect or unexpected behavior

Status: Open.

#7142 In questdb/questdb;

· jerrinot opened on May 23, 2026

Co-sorted column declarations for non-designated columns

New featureFeature requestsFeature requests

Status: Open.

#7082 In questdb/questdb;

· tarun-t opened on May 10, 2026

WTF-16 strings problematic for parquet export

BugIncorrect or unexpected behaviorIncorrect or unexpected behavior

Status: Open.

#7079 In questdb/questdb;

· nwoolmer opened on May 8, 2026

VarChar field corruption (unknown cause)

Status: Open.

#7045 In questdb/questdb;

· ryanmelt opened on Apr 29, 2026

Windows: QuestDB 9.3.5 fails to delete WAL files (errno=5) due to file handle leak by java.exe

Status: Open.

#7034 In questdb/questdb;

· sgl-github opened on Apr 28, 2026

alter table rename column does not presist

Status: Open.

#7029 In questdb/questdb;

· superichmann opened on Apr 27, 2026

datediff invalid constant unit returns timestamp-typed null

Status: Open.

#7022 In questdb/questdb;

· officialasishkumar opened on Apr 23, 2026

Silent data corruption in column fields (not symbol tags) when using VARCHAR columns via ILP on Docker/WSL2

Status: Open.

#6999 In questdb/questdb;

· bigZ-again opened on Apr 21, 2026