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Feature: Auto-align string min/max truncate length so range pruning doesn't silently fail

C-featureCategory: featureCategory: feature

Status: Open.

#20185 In databendlabs/databend;

· wubx opened on Jul 21, 2026

bug: REPLACE INTO and MERGE INTO can hide compactable appended blocks from auto compaction

C-bugCategory: something isn't workingCategory: something isn't working

Status: Open.

#20181 In databendlabs/databend;

· dantengsky opened on Jul 20, 2026

Feature: Native Apache Paimon integration and Rust ecosystem collaboration

Status: Open.

#20162 In databendlabs/databend;

· Pandas886 opened on Jul 16, 2026

Tracking: Column-oriented segment

Status: Open.

#20126 In databendlabs/databend;

· SkyFan2002 opened on Jul 9, 2026

Bug: Unknown index type in TableIndexType causes hard Incompatible failure on older Databend versions

C-bugCategory: something isn't workingCategory: something isn't working

Status: Open.

#20113 In databendlabs/databend;

· zhang2014 opened on Jul 7, 2026

Handle HLL and TopN staleness after DELETE

Status: Open.

#20100 In databendlabs/databend;

· KKould opened on Jul 3, 2026

Track TopN freshness and runtime skew join follow-ups

Status: Open.

#20087 In databendlabs/databend;

· KKould opened on Jun 30, 2026

Explicit transaction COMMIT retry can leave snapshot statistics row count stale

Status: Open.

#20007 In databendlabs/databend;

· SkyFan2002 opened on Jun 15, 2026

Tracking: control async table hook background resources

Status: Open.

#19968 In databendlabs/databend;

· KKould opened on Jun 5, 2026

Rust SQL parser benchmarks, second edition

Status: Open.

#19951 In databendlabs/databend;

· LucaCappelletti94 opened on Jun 2, 2026

bug: expression_parser deterministic checks miss context-dependent expressions after TypeChecker rewrites them to constants

Status: Open.

#19833 In databendlabs/databend;

· forsaken628 opened on May 10, 2026

Use header-based session token detection instead of bend-v1- prefix

Status: Open.

#19796 In databendlabs/databend;

· everpcpc opened on Apr 30, 2026