ClickHouse/clickhouse-js

Official JS client for ClickHouse DB

Stars: 331
Forks: 74
Open beginner issues: 0
Indexed issues: 38

Dominant language: TypeScript
License: Apache-2.0
Last GitHub push: Aug 16, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Open All

38 open issues indexed

Add performance benchmarks Open

ClickHouse/clickhouse-js#5 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Investigate the effect of Nagle's algorithm of the request performance Open

enhancement experiment

ClickHouse/clickhouse-js#18 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement support of RowBinary or Native data format Open

enhancement

ClickHouse/clickhouse-js#25 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Extract clickhouse cluster configuration/docker-compose as a reusable module Open

enhancement

ClickHouse/clickhouse-js#34 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ZSTD, LZ4, BZ2, snappy compression support Open

enhancement

ClickHouse/clickhouse-js#120 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Investigate WebStreams API (Node.js 20.x) Open

enhancement

ClickHouse/clickhouse-js#156 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Client support for multiple host addresses Open

enhancement

ClickHouse/clickhouse-js#172 · 8 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Request compression support for browser client Open

browser

ClickHouse/clickhouse-js#184 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Logging support for browser client Open

browser enhancement

ClickHouse/clickhouse-js#187 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Publish minified browser build Open

browser

ClickHouse/clickhouse-js#188 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add RowBinary format for SELECT operations Open

enhancement

ClickHouse/clickhouse-js#216 · 5 comments · 4 reactions · 1 assignee · Indexed Sep 15, 2026
Cannot read bytes from String or FixedString(N) Open

question

ClickHouse/clickhouse-js#282 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
introduce "sticky session" concept for handling temporary tables Open

enhancement

ClickHouse/clickhouse-js#381 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Troubleshooting guide Open

documentation

ClickHouse/clickhouse-js#386 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Task API Open

enhancement

ClickHouse/clickhouse-js#428 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Do not run Cloud tests by default with external PRs or commits Open

ci enhancement

ClickHouse/clickhouse-js#460 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for running the result parser in a Web/NodeJS worker Open

enhancement

ClickHouse/clickhouse-js#529 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[parquet]: failed to parse the message length Open

bug

ClickHouse/clickhouse-js#607 · 2 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Ignore SSL when working from localhost? Open

question

ClickHouse/clickhouse-js#609 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Poco::Exception. Code: 1000, e.code() = 0, HTML Form Exception: Field value too long Open

question

ClickHouse/clickhouse-js#627 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Date` objects with non-zero milliseconds produce fractional timestamps rejected by `{param:DateTime}` Open

bug

ClickHouse/clickhouse-js#628 · 3 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Inserting buffer data into a String/FixedString field Open

question

ClickHouse/clickhouse-js#837 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Return executed query string as part of ResultSet Open

enhancement

ClickHouse/clickhouse-js#846 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Discussion: pluggable Connection design for chDB integration in @clickhouse/client Open

ClickHouse/clickhouse-js#865 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
parseColumnType throws on named Tuple types (Tuple(name Type, ...)) Open

ClickHouse/clickhouse-js#891 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
readVariant should return the active type discriminant, not just the value Open

ClickHouse/clickhouse-js#910 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
RowBinary: dynamic (runtime-schema) writer — do you need one? Open

ClickHouse/clickhouse-js#919 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[backfill: ClickHouse/clickhouse-js] insert columns parameter does not backtick-quote identifiers with spaces/special chars Open

ClickHouse/clickhouse-js#945 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Scalar {p:Date} / {p:Date32} query params serialize JS Date as a Unix timestamp, rejected by server Open

ClickHouse/clickhouse-js#955 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[backfill: ClickHouse/clickhouse-js] client.query() unconditionally appends FORMAT after user SETTINGS clause, producing invalid SQL on older ClickHouse servers Open

ClickHouse/clickhouse-js#970 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
query(): trailing semicolon followed by a comment breaks FORMAT append (SYNTAX_ERROR 62) Open

ClickHouse/clickhouse-js#973 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mid-stream exception detection false-positives on any `\r\n` in the body (breaks streaming Parquet + CRLF CSV/TSV) and can hang the event loop Open

ClickHouse/clickhouse-js#974 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
In-band mid-stream exceptions are not detected for exec() streams (Arrow/Native) or ResultSet.text(): callers get a raw ECONNRESET "aborted" instead of the server error Open

ClickHouse/clickhouse-js#976 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Uncompressed streaming inserts emit one HTTP chunk per row, inflating the request body ~50% Open

ClickHouse/clickhouse-js#988 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Map(K, V) with duplicate keys silently loses entries (RowBinary readMap collapses pairs into a JS Map) Open

ClickHouse/clickhouse-js#996 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Some public API types are not exported from @clickhouse/client since 1.23.0 Open

bug

ClickHouse/clickhouse-js#997 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[rowbinary] readRows/streamRowBatches silently drop all rows when every column is zero-width (Tuple()) Open

ClickHouse/clickhouse-js#1000 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
insert(): table parameter is concatenated raw into SQL — table names needing backtick quoting cannot be used Open

ClickHouse/clickhouse-js#1004 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

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