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clickhouse-connect async Arrow inserts emit aiohttp ResourceWarning for payloads over 1 MiB

bugSomething isn't workingSomething isn't working

Status: Open.

#850 In ClickHouse/clickhouse-connect;

· felixp72 opened on Jul 3, 2026

SQLAlchemy dialect: has_database() uses system.databases and misses DataLakeCatalog databases

Status: Open.

#849 In ClickHouse/clickhouse-connect;

· claude opened on Jul 2, 2026

SQLAlchemy: support DESC and expressions in MergeTree order_by

Status: Open.

#845 In ClickHouse/clickhouse-connect;

· xoelop opened on Jul 2, 2026

SQLAlchemy: support default/per-context query settings for implicit ORM queries

Status: Open.

#846 In ClickHouse/clickhouse-connect;

· xoelop opened on Jul 2, 2026

SQLAlchemy: avoid result processors corrupting native ClickHouse driver values

Status: Open.

#847 In ClickHouse/clickhouse-connect;

· xoelop opened on Jul 2, 2026

cc_sqlalchemy: ClickHouseSelect loses typed chainables after add_columns()

Status: Open.

#844 In ClickHouse/clickhouse-connect;

· xoelop opened on Jul 2, 2026

Alembic helpers for common ClickHouse DDL operations

Status: Open.

#839 In ClickHouse/clickhouse-connect;

· xoelop opened on Jul 1, 2026

Cython read_leb128 silently corrupts VarInt values >= 2^31 (32-bit shift term in 64-bit accumulator)

Status: Open.

#828 In ClickHouse/clickhouse-connect;

· claude opened on Jun 29, 2026

Variant read path discards the active type discriminant, making some alternatives unrecoverable

Status: Open.

#825 In ClickHouse/clickhouse-connect;

· claude opened on Jun 28, 2026

DBAPI bulk insert silently degrades for backtick-quoted dotted (Nested) column names

Status: Open.

#820 In ClickHouse/clickhouse-connect;

· polyglotAI-bot opened on Jun 26, 2026

Discussion: pluggable Backend protocol for chDB integration (alternative to #753)

Status: Open.

#809 In ClickHouse/clickhouse-connect;

· ShawnChen-Sirius opened on Jun 22, 2026

Exclude zstandard from Python >= 3.14

enhancementNew feature or requestNew feature or request

Status: Open.

#577 In ClickHouse/clickhouse-connect;

· clemlesne opened on Oct 25, 2025