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duckdb

52 indexed repositories · View on GitHub

duckdb
DuckDB is an analytical in-process SQL database management system

C++ · 41227 stars
pg_duckdb
DuckDB-powered Postgres for high performance apps & analytics.

C++ · 3235 stars
ducklake
DuckLake is an integrated data lake and catalog format

C++ · 2984 stars
duckdb-wasm
WebAssembly version of DuckDB

C++ · 2121 stars
dbt-duckdb
dbt adapter for DuckDB

Python · 1350 stars
duckdb-rs
Ergonomic bindings to duckdb for Rust

Rust · 962 stars
duckdb-spatial

C · 708 stars
duckdb-skills

Shell · 542 stars
duckdb-ui

TypeScript · 465 stars
duckdb-iceberg

C++ · 435 stars
duckdb-postgres

C++ · 372 stars
community-extensions

Shell · 346 stars
duckdb-web
🐤 DuckDB website and documentation

HTML · 301 stars
duckdb-sqlite
DuckDB extension to read and write to SQLite databases

C · 291 stars
extension-template
Template for DuckDB extensions to help you develop, test and deploy a custom extension

Python · 290 stars
duckdb-vss

C++ · 265 stars
duckdb-delta
DuckDB extension for Delta Lake

C++ · 231 stars
duckdb-r
The duckdb R package

R · 226 stars
duckdb-node-neo
Second iteration on a DuckDB Node.js client

TypeScript · 197 stars
duckdb-python
The DuckDB Python package

Python · 187 stars
32 more repositories live on View on GitHub

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2509 open issues indexed

ALTER TABLE support for adding foreign key constraints Open

reproduced

duckdb/duckdb#57 · 27 comments · 18 reactions · 0 assignees · Indexed Sep 15, 2026
Extended Collation Support Open

reproduced

duckdb/duckdb#604 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for SERIAL and BIGSERIAL type Open

duckdb/duckdb#1768 · 18 comments · 20 reactions · 0 assignees · Indexed Sep 15, 2026
YOU ARE AWESOME Open

no stale

duckdb/duckdb#1788 · 4 comments · 18 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature Request] Context Managers in Python API Open

duckdb/duckdb#3152 · 7 comments · 26 reactions · 0 assignees · Indexed Sep 15, 2026
Too large parquet files via "COPY TO" Open

under review

duckdb/duckdb#3316 · 35 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Handle 503 Slowdown responses from S3 glob requests Open

under review

duckdb/duckdb#6153 · 13 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Defer foreign key constraint validation until the end of the statement Open

reproduced

duckdb/duckdb#7168 · 14 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Error 400 when uploading to S3 buckets with default retention Open

under review

duckdb/duckdb#9512 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
OVERWRITE_OR_IGNORE overwrites files instead of directories during partitioned writes Open

under review

duckdb/duckdb#10282 · 1 comment · 4 reactions · 0 assignees · Indexed Sep 15, 2026
:link: FOREIGN KEY issue on self referencing table while batch loading Open

reproduced

duckdb/duckdb#10574 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Setting to get errors on duplicated column names Open

reproduced

duckdb/duckdb#11520 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
No multithreading when using CTE Open

reproduced

duckdb/duckdb#11565 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unnest not supported for deeply nested JSON Open

reproduced

duckdb/duckdb#11693 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Executed query is being run again Open

reproduced

duckdb/duckdb#11753 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DuckDB does not follow XDG Base Directory Spec Open

under review

duckdb/duckdb#11779 · 9 comments · 12 reactions · 0 assignees · Indexed Sep 15, 2026
Out-of-memory error when performing partitioned copy to S3 Open

under review

duckdb/duckdb#11817 · 16 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
ORDER BY picks wrong column of deduplication Open

reproduced

duckdb/duckdb#11855 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ifnull returns an error when chained (nullif works) Open

reproduced

duckdb/duckdb#11907 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Branches of CASE statement reevaluate `random()` expression Open

reproduced

duckdb/duckdb#12547 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Race condition in parallel installations of extensions Open

under review

duckdb/duckdb#12589 · 8 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
`COPY tbl TO 'output.parquet' (FORMAT PARQUET);` outputs incomplete statistics in metadata with complex types if fields are `NULL` Open

feature

duckdb/duckdb#12958 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
aggregate(df).* is a syntax error but should be unnest(aggregate(df)) Open

reproduced

duckdb/duckdb#13055 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can't create a view with prepared parameteres Open

reproduced

duckdb/duckdb#13069 · 9 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Query with hive partitioning much slower than hardcoded path Open

needs reproducible example under review

duckdb/duckdb#13217 · 17 comments · 22 reactions · 0 assignees · Indexed Sep 15, 2026
pip install duckdb failed on MSYS2 environment Open

PR submitted

duckdb/duckdb#13273 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
UNNEST should not be allowed within CASE statements Open

under review

duckdb/duckdb#13466 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Bad list performance Open

reproduced

duckdb/duckdb#13682 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DESCRIBE and query_table can't work together Open

reproduced

duckdb/duckdb#13721 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
UNPIVOT and COLUMNS(varlist) don't work in a MACRO where varlist is a parameter Open

reproduced

duckdb/duckdb#13728 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Misleading error message when importing JSON with upper/lowercased keys Open

reproduced

duckdb/duckdb#13807 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Transactions not working as expected with DELETE/TRUNCATE Open

reproduced

duckdb/duckdb#13819 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LOAD spatial; is not working for duckdb-swift Open

under review

duckdb/duckdb#13835 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DuckDB 1.1 undefined reference to atomic Open

under review

duckdb/duckdb#13855 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Process gets aborted during interpreter shutdown when a duckdb connection is present in a child thread. Open

reproduced

duckdb/duckdb#13904 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Duplicated literal column names should throw errors Open

reproduced

duckdb/duckdb#13952 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
JSON Import Error: Incorrect Parsing of ISO 8601 Date Strings with 'T' Separator Open

reproduced

duckdb/duckdb#14004 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
DROP TABLE does not reduce database size Open

under review

duckdb/duckdb#14124 · 8 comments · 11 reactions · 0 assignees · Indexed Sep 15, 2026
`bitstring_agg` throws on `NULL`s Open

reproduced

duckdb/duckdb#14242 · 4 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Why does PIVOT use so much memory? Open

under review

duckdb/duckdb#14339 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Order By` not being respected when writing to partition. Open

feature reproduced

duckdb/duckdb#14349 · 5 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Please disable the jemalloc extension on FreeBSD by default Open

under review

duckdb/duckdb#14364 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`str_split('', '')` gives `['',]`, not `[]` Open

reproduced

duckdb/duckdb#14414 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
GROUP BY ALL includes window functions, causing binder error Open

reproduced

duckdb/duckdb#14595 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot delete non-indexed columns on a table having any index Open

expected behavior reproduced

duckdb/duckdb#14664 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`list_concat([1], null)` doesn't match `[1] || null` Open

reproduced

duckdb/duckdb#14692 · 19 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Full table scan when extracting just a few records Open

under review

duckdb/duckdb#14729 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`json_extract` vs. `::` cast operator precedence Open

expected behavior

duckdb/duckdb#14889 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for creating TEMP tables in all catalogs/schemas Open

feature under review

duckdb/duckdb#14918 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Should the `ARRAY` operator preserve order? Open

reproduced

duckdb/duckdb#15011 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026

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