Search results

Intern Tasks 2025/2026

feature

research

Status: Open.

#87836 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 29, 2025

A setting <code>aggregate_function_input_format</code> to simplify insertion into columns with the <code>AggregateFunction</code> data type

feature

warmup taskThe task for new ClickHouse team members. Low risk, moderate complexity, no urgency.The task for new ClickHouse team members. Low risk, moderate complexity, no urgency.

Status: Open.

#87827 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 29, 2025

Optimization pass: convert a chain of OR LIKE or match to a single regular expression or multi-string matching.

performance

Status: Open.

#87779 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 28, 2025

Too long exception message when a constraint is violated

unexpected behaviour

Status: Open.

#87032 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 12, 2025

SQL compatibility: add IS DISTINCT FROM and &lt;=&gt; operators

easy taskGood for first contributorsGood for first contributors

feature

Status: Open.

#86763 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 5, 2025

Hints for format names

usability

Status: Open.

#86761 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Sep 5, 2025

Using format <code>Hash</code> results in progress bar flickering

usability

Status: Open.

#85733 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Aug 16, 2025

<code>clickhouse-local</code> creates ~500 threads in <code>BackgroundSchedulePool</code>

unexpected behaviour

Status: Open.

#85265 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Aug 8, 2025

Dashboard: when "query returned an empty result", we should still show the chart title

easy taskGood for first contributorsGood for first contributors

feature

Status: Open.

#85225 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Aug 7, 2025

Web UI: use favicon to indicate when the query is running

feature

Status: Open.

#85055 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Aug 4, 2025

New functions, <code>tokenizeQuery</code> and <code>highlightQuery</code>

feature

Status: Open.

#84972 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Aug 3, 2025

Settings to limit queries by ProfileEvents

feature

Status: Open.

#84256 In ClickHouse/ClickHouse;

· alexey-milovidov opened on Jul 22, 2025