8000 Issues · duckdb/ducklake · GitHub
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    Issues

  • DELETE and INSERT on the same table always conflict, even when they touch disjoint partitions

    duckdb/ducklake#1895 · opened on Nov 1, 2026

  • Sorted + partitioned table: INSERT writes unsorted files, even with threads = 1 (follow-up to #1546)

    duckdb/ducklake#1894 · opened on Oct 31, 2026

  • AT (TIMESTAMP) returns an older snapshot's rows when the snapshot current at that time was expired

    duckdb/ducklake#1892 · opened on Oct 30, 2026

  • ducklake_flush_inlined_data silently drops the sub-millisecond part of INTERVAL values

    duckdb/ducklake#1890 · opened on Oct 30, 2026

  • table_changes drops the changes of expired snapshots whose data file a rewrite ended

    duckdb/ducklake#1889 · opened on Oct 30, 2026

  • DELETE leaves matched rows when ducklake_add_data_files added a file twice

    duckdb/ducklake#1884 · opened on Oct 30, 2026

  • DROP TABLE removes the renamed table when a concurrent RENAME commits first

    duckdb/ducklake#1883 · opened on Oct 30, 2026

  • Inlined JSON[] values cannot be read back or flushed (Postgres catalog: any value; SQLite: a NULL element)

    duckdb/ducklake#1873 · opened on Oct 28, 2026

  • 2.0 drops NULL rows from 1.5-written tables under OR ... IS NULL filters

    duckdb/ducklake#1871 · opened on Oct 28, 2026

  • Commit time grows with the number of tables in the lake (stats of every table reloaded after each write)

    duckdb/ducklake#1847 · opened on Oct 24, 2026
    3

  • Flushing inlined deletes fails on Azure ("too small to be a Parquet file") when the data file already has a delete file

    duckdb/ducklake#1844 · opened on Oct 24, 2026

  • Reading one shredded VARIANT field reads the whole column

    duckdb/ducklake#1831 · opened on Oct 22, 2026
    1

  • File pruning transformed timestamptz doesn't work

    duckdb/ducklake#1818 · opened on Oct 20, 2026

  • ducklake_flush_inlined_data pins one whole-catalog copy per schema version: memory quadratic in table count, not bounded by memory_limit

    duckdb/ducklake#1795 · opened on Oct 15, 2026

  • merge_adjacent_files() fails with S3 404 (NoSuchKey) — catalog references a missing data file

    duckdb/ducklake#1685 · opened on Oct 12, 2026

  • Metadata tables have no replica identity; UPDATEs fail under Postgres publications

    duckdb/ducklake#1365 · opened on Aug 7, 2026

  • CREATE TABLE AS into a DuckLake table does not preserve input order

    duckdb/ducklake#1356 · opened on Aug 3, 2026

  • Concurrent CREATE OR REPLACE TABLE fails with "Exceeded the maximum retry count" — duplicate key on ducklake_snapshot_pkey (Postgres catalog, 1.5.4)

    duckdb/ducklake#1283 · opened on Jul 7, 2026
    3
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