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Wrong result in optimize_uniq_to_count with union all and old analyzer

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

old-analyzerRelevant when analyzer is disabledRelevant when analyzer is disabled

unexpected behaviour

Status: Open.

#85996 In ClickHouse/ClickHouse;

· den-crane opened on Aug 21, 2025

ClickHouse Play credential validation triggers POST requests for each typed character

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#85777 In ClickHouse/ClickHouse;

· rohasharma opened on Aug 18, 2025

Null pointer dereference when accessing <code>hive</code> table function (unsupported)

crashCrash / segfault / abortCrash / segfault / abort

experimental featureBug in the feature that should not be used in productionBug in the feature that should not be used in production

help wanted

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#82982 In ClickHouse/ClickHouse;

· fantasy12345zsq opened on Jul 1, 2025

<code>Unknown expression identifier</code> could have been omitted because of the identifier resolution cache.

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

potential bugTo be reviewed by developers and confirmed/rejected.To be reviewed by developers and confirmed/rejected.

Status: Open.

#80693 In ClickHouse/ClickHouse;

· KochetovNicolai opened on May 22, 2025

engine=Kafka Support for IAM auth for MSK (via SASL_OAUTHBEARER)

feature

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#80446 In ClickHouse/ClickHouse;

· filimonov opened on May 19, 2025

Engine=Kafka support for rack-aware consumption for Amazon MSK

comp-kafkaKafka EngineKafka Engine

feature

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#80445 In ClickHouse/ClickHouse;

· filimonov opened on May 19, 2025

play endpoint should not use Basic auth

feature

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#79766 In ClickHouse/ClickHouse;

· filimonov opened on May 1, 2025

Attach partition from Replicated table should take the set of all the parts (including future) not the local state

feature

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#79527 In ClickHouse/ClickHouse;

· filimonov opened on Apr 24, 2025

Clickhouse generates logon's with "null" user account when TLS is enabled in LDAPS

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

potential bugTo be reviewed by developers and confirmed/rejected.To be reviewed by developers and confirmed/rejected.

Status: Open.

#77991 In ClickHouse/ClickHouse;

· wlkvv opened on Mar 20, 2025

Http &amp; kerberos auth in clickhouse. Could not process GSS token

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

questionQuestion?Question?

Status: Open.

#77602 In ClickHouse/ClickHouse;

· MgjOfficial opened on Mar 14, 2025

Function with untuple cannot be added as column default - DUPLICATE_COLUMN

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

Status: Open.

#77066 In ClickHouse/ClickHouse;

· MclellandG opened on Mar 3, 2025

"DB::Exception: Missing columns" for query with double join for old analyzer

comp-joinsJOINsJOINs

not plannedKnown issue, no plans to fix it currenltyKnown issue, no plans to fix it currenlty

old-analyzerRelevant when analyzer is disabledRelevant when analyzer is disabled

potential bugTo be reviewed by developers and confirmed/rejected.To be reviewed by developers and confirmed/rejected.

Status: Open.

#76666 In ClickHouse/ClickHouse;

· aalexfvk opened on Feb 24, 2025