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Parameters: $ in a parameter name is not recognized by external_bind_re, so server-side binding is skipped (or type hints silently ignored)

Status: Open.

#936 In ClickHouse/clickhouse-connect;

· claude opened on Aug 4, 2026

DB-API executemany bulk insert path silently drops function calls and other expressions in the VALUES list

Status: Open.

#934 In ClickHouse/clickhouse-connect;

· claude opened on Aug 4, 2026

DB-API executemany bulk insert path misparses valid INSERT statements (TABLE keyword, table functions, multi-line, double-quoted columns)

Status: Open.

#932 In ClickHouse/clickhouse-connect;

· polyglotAI-bot opened on Aug 4, 2026

DB-API executemany inserts into the wrong table when the table name is written with whitespace around the dot

Status: Open.

#930 In ClickHouse/clickhouse-connect;

· polyglotAI-bot opened on Aug 3, 2026

remove_sql_comments misses // and # comments, nested block comments, backtick identifiers and heredocs, so queries are misclassified

Status: Open.

#925 In ClickHouse/clickhouse-connect;

· polyglotAI-bot opened on Aug 3, 2026

Global bytes read format (set_default_formats("String", "bytes")) breaks SQLAlchemy reflection: get_columns/reflect raise TypeError, get_table_names returns bytes

Status: Open.

#920 In ClickHouse/clickhouse-connect;

· claude opened on Jul 31, 2026

Two Core types cannot be bound through the DBAPI: LargeBinary (no PEP 249 Binary constructor) and Time

Status: Open.

#919 In ClickHouse/clickhouse-connect;

· ChrisGVE opened on Jul 30, 2026

Arrow streaming query methods do not detect in-band server exceptions (mid-stream errors surface as truncated/garbled data or raw transport errors)

Status: Open.

#913 In ClickHouse/clickhouse-connect;

· polyglotAI-bot opened on Jul 30, 2026

[backfill: ClickHouse/clickhouse-connect] Trailing whitespace/comment after a query-final semicolon defeats rstrip and breaks FORMAT append

Status: Open.

#903 In ClickHouse/clickhouse-connect;

· alex-clickhouse opened on Jul 29, 2026

No construct for JSON subcolumn access in the cc_sqlalchemy dialect

enhancementNew feature or requestNew feature or request

Status: Open.

#899 In ClickHouse/clickhouse-connect;

· coby-astsec opened on Jul 26, 2026

Async SQLAlchemy support

enhancementNew feature or requestNew feature or request

Status: Open.

#576 In ClickHouse/clickhouse-connect;

· ermaruskin opened on Oct 22, 2025

HTTP Request body not compressed for non-insert query with ExternalData

enhancementNew feature or requestNew feature or request

Status: Open.

#474 In ClickHouse/clickhouse-connect;

· martijnthe opened on Feb 18, 2025