Issues

Map(K, V) with duplicate keys silently loses entries (RowBinary readMap collapses pairs into a JS Map)

#996

· claude opened

on Aug 11, 2026

Uncompressed streaming inserts emit one HTTP chunk per row, inflating the request body ~50%

#988

· claude opened

on Aug 6, 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

#976

· claude opened

on Jul 30, 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

#974

· polyglotAI-bot opened

on Jul 30, 2026

query(): trailing semicolon followed by a comment breaks FORMAT append (SYNTAX_ERROR 62)

#973

· claude opened

on Jul 29, 2026

[backfill: ClickHouse/clickhouse-js] client.query() unconditionally appends FORMAT after user SETTINGS clause, producing invalid SQL on older ClickHouse servers

#970

· alex-clickhouse opened

on Jul 29, 2026

Scalar {p:Date} / {p:Date32} query params serialize JS Date as a Unix timestamp, rejected by server

#955

· claude opened

on Jul 20, 2026

[backfill: ClickHouse/clickhouse-js] insert columns parameter does not backtick-quote identifiers with spaces/special chars

#945

· alex-clickhouse opened

on Jul 16, 2026

RowBinary: dynamic (runtime-schema) writer — do you need one?

#919

· peter-leonov-ch opened

on Jun 29, 2026

readVariant should return the active type discriminant, not just the value

#910

· peter-leonov-ch opened

on Jun 28, 2026

parseColumnType throws on named Tuple types (Tuple(name Type, ...))

#891

· polyglotAI-bot opened

on Jun 26, 2026

Discussion: pluggable Connection design for chDB integration in @clickhouse/client

#865

· ShawnChen-Sirius opened

on Jun 22, 2026

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All issues

Map(K, V) with duplicate keys silently loses entries (RowBinary readMap collapses pairs into a JS Map)

Uncompressed streaming inserts emit one HTTP chunk per row, inflating the request body ~50%

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

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

query(): trailing semicolon followed by a comment breaks FORMAT append (SYNTAX_ERROR 62)

[backfill: ClickHouse/clickhouse-js] client.query() unconditionally appends FORMAT after user SETTINGS clause, producing invalid SQL on older ClickHouse servers

Scalar {p:Date} / {p:Date32} query params serialize JS Date as a Unix timestamp, rejected by server

[backfill: ClickHouse/clickhouse-js] insert columns parameter does not backtick-quote identifiers with spaces/special chars

RowBinary: dynamic (runtime-schema) writer — do you need one?

readVariant should return the active type discriminant, not just the value

parseColumnType throws on named Tuple types (Tuple(name Type, ...))

Discussion: pluggable Connection design for chDB integration in @clickhouse/client

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