ClickHouse/clickhouse-odbc

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ODBC driver for ClickHouse

Stars: 285
Forks: 105
Open beginner issues: 0
Indexed issues: 50
Avg merge: 4h 55m
Merged PRs (30d): 2

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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50 open issues indexed

add deb/rpm package to official repo Open

enhancement

ClickHouse/clickhouse-odbc#170 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Driver not working with Azure data factory Open

bug wontfix

ClickHouse/clickhouse-odbc#174 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
How to set receive_timeout, connect_timeout and send_timeout while connecting using ODBC. Open

ClickHouse/clickhouse-odbc#175 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ClickHouse as a Linked Server in MSSQL Open

MSSQL need info

ClickHouse/clickhouse-odbc#215 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
test/client_utils.h: out-of-bound access found by Coverity Open

ClickHouse/clickhouse-odbc#216 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Homebrew formula for clickhouse-odbc Open

build

ClickHouse/clickhouse-odbc#239 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Windows installer should be able to update / uninstall existing version Open

bug build

ClickHouse/clickhouse-odbc#266 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CH ODBC with MS Access Open

bug MS Access

ClickHouse/clickhouse-odbc#275 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Passing URL with parameters into url() table function Open

ClickHouse/clickhouse-odbc#312 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Using sql with ternary op doesn't work in Tableau Open

ClickHouse/clickhouse-odbc#323 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Detect the number of affected rows by INSERT/UPDATE/DELETE. Open

bug

ClickHouse/clickhouse-odbc#335 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Unable to get the driver working on mac os Open

macos need info question

ClickHouse/clickhouse-odbc#343 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How can I workaround Malformed message: Too many header fields error? Open

need info question

ClickHouse/clickhouse-odbc#347 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
new driver crash on SQLCancel Open

bug need info

ClickHouse/clickhouse-odbc#357 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Driver error on mac M1 Big sur 11.4 Open

build macos wontfix

ClickHouse/clickhouse-odbc#363 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Ошибка "Cannot get the column information" в простом запросе к ClickHouse как Linked server в MS SQL через ODBC Open

MSSQL need info

ClickHouse/clickhouse-odbc#371 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Floats get rounded if handled as String Open

ClickHouse/clickhouse-odbc#382 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Multiple hosts/endpoints for HA and load balancing (like in clickhouse-jdbc) Open

ClickHouse/clickhouse-odbc#385 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
OracleDB read data from ClickHouse via clickhouse-odbc error because of 2 long columns. Open

ClickHouse/clickhouse-odbc#386 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
OracleBI Clickhouse connection with odbc driver string datatype problem Open

ClickHouse/clickhouse-odbc#389 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fail to get correct precison and scale of decimal through ODBC SQLDescribeColW() Open

Type Info

ClickHouse/clickhouse-odbc#412 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remove ODBC {escape '/'} escape sequence Open

ClickHouse/clickhouse-odbc#413 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
No 32-bit ODBC driver for Windows Open

ClickHouse/clickhouse-odbc#414 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Unable to retrieve german umlauts from ClickHouse using ODBC (only) Open

ClickHouse/clickhouse-odbc#417 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for UInt128, UInt256 (and others) Open

Type Info

ClickHouse/clickhouse-odbc#418 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Please provide builds for the usual Linux distributions (Ubuntu, EL7, EL8, Debian) Open

ClickHouse/clickhouse-odbc#420 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
API sqlcancel is not supported Open

ClickHouse/clickhouse-odbc#422 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Exception when trying to insert rows with async_insert=1 setting using pyodbc Open

ClickHouse/clickhouse-odbc#424 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Multithreading: got code SQL_INVALID_HANDLE when SQLGetData called Open

Multithreading

ClickHouse/clickhouse-odbc#426 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Homebrew reports a warning of libc++ incompatibilities upon installation Open

ClickHouse/clickhouse-odbc#431 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Wrong number of fields with grouparray via ODBC Open

bug

ClickHouse/clickhouse-odbc#433 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Convert string to varchar error on mssql linked server Open

MSSQL

ClickHouse/clickhouse-odbc#435 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
The last working release on Ubuntu 22.04 is 1.1.6 Open

build

ClickHouse/clickhouse-odbc#439 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Does the ODBC driver support connecting to materialized views? Open

question

ClickHouse/clickhouse-odbc#441 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Slowness for workbooks in tableau server Open

tool:Tableau

ClickHouse/clickhouse-odbc#442 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Very slow fetching string rows Open

bug

ClickHouse/clickhouse-odbc#458 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
SQLDriverConnect() error Open

bug

ClickHouse/clickhouse-odbc#460 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"bad conversion" error Open

bug need info

ClickHouse/clickhouse-odbc#461 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement Multithreading Support Open

bug

ClickHouse/clickhouse-odbc#472 · 0 comments · 2 reactions · 1 assignee · Indexed Sep 15, 2026
LowCardinality(Nullable(String)) is not marked as nullable Open

bug Type Info

ClickHouse/clickhouse-odbc#487 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature Request: ODBC Driver Support for Windows ARM64 Architecture Open

feature

ClickHouse/clickhouse-odbc#492 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
SQLConnect fails with passwords containing a closing curly brace Open

bug

ClickHouse/clickhouse-odbc#497 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Power BI Direct Query CAST to DECIMAL in DIVIDE function causing precision errors Open

bug

ClickHouse/clickhouse-odbc#505 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Unable to use with Excel for Mac Open

bug

ClickHouse/clickhouse-odbc#510 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 15, 2026
Implement RowBinaryWithNamesAndTypes format support Open

ClickHouse/clickhouse-odbc#515 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Enable `send_progress_in_http_headers` to support long-running queries Open

enhancement

ClickHouse/clickhouse-odbc#519 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 15, 2026
Array Binding Does Not Work Open

ClickHouse/clickhouse-odbc#525 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Linked server using ODBC - Syntax error: Not a valid integer: DC9 Open

bug

ClickHouse/clickhouse-odbc#529 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Driver does not set SSL certificate authentication header Open

bug

ClickHouse/clickhouse-odbc#554 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`SQL_NULL_DATA` is ignored when a value buffer is bound (an empty string is sent); a parameter array stops after set 1 (`SQLMoreResults` executes it but returns `SQL_NO_DATA`) Open

ClickHouse/clickhouse-odbc#582 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

ClickHouse/clickhouse-odbc

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