Issues

• S3/GCS/R2 secret values are written in plain text to the server log (failed create_simple_secret / USER MAPPING, and log_statement=all) and to pg_stat_statements (USER MAPPING DDL)

  duckdb/pg_duckdb#1120 · Filter by author skote05-yb opened on Nov 4, 2026
  2

• Backends that spill at the same time share one temp directory and crash

  duckdb/pg_duckdb#1109 · Filter by author zeitderforschung opened on Oct 30, 2026

• Duplication of plan_node_id in INSERT INTO SELECT quries

  duckdb/pg_duckdb#1107 · Filter by author ggnmstr opened on Oct 30, 2026

• Assert(InterruptHoldoffCount > 0) in dsm_detach during REFRESH MATERIALIZED VIEW with parallel Postgres scan

  duckdb/pg_duckdb#1104 · Filter by author saygoodbyye opened on Oct 26, 2026

• Assert INTERRUPTS_CAN_BE_PROCESSED() in spgdoinsert on INSERT…SELECT with SP-GiST index under force_execution

  duckdb/pg_duckdb#1102 · Filter by author saygoodbyye opened on Oct 24, 2026

• Assert in FindInsertSelectRTI on INSERT…SELECT into a table with INSTEAD rules (multiple subquery RTEs)

  duckdb/pg_duckdb#1101 · Filter by author saygoodbyye opened on Oct 24, 2026

• Assert in DuckdbHandleDDLPre on CREATE TABLE … USING duckdb AS EXECUTE … WITH NO DATA

  duckdb/pg_duckdb#1100 · Filter by author saygoodbyye opened on Oct 24, 2026

• DuckdbTruncateTable aborts backend on missing DuckDB temp table (ON COMMIT DELETE ROWS)

  duckdb/pg_duckdb#1099 · Filter by author saygoodbyye opened on Oct 24, 2026

• PostgreSQL integer division and redundant INTEGER casts are not preserved

  duckdb/pg_duckdb#1098 · Filter by author djodonnell opened on Oct 23, 2026

• Quotes dropped from identifiers reserved only in DuckDB (e.g. "at"): query falls back to PostgreSQL

  duckdb/pg_duckdb#1097 · Filter by author djodonnell opened on Oct 23, 2026

• Negative NUMERIC constants lose precision (deparsed as numeric, read as DECIMAL(18,3))

  duckdb/pg_duckdb#1096 · Filter by author djodonnell opened on Oct 23, 2026

• Querying a view over read_parquet() disables result streaming and materializes the full result

  duckdb/pg_duckdb#1089 · Filter by author ddodt opened on Oct 7, 2026

• Leader hangs in ParallelFinish after a parallel worker error in a many-table DuckDB scan

  duckdb/pg_duckdb#1085 · Filter by author karthiviz opened on Oct 5, 2026

• Segfault in PostgresScanFunction (MemoryContextReset at postgres_scan.cpp:617) with many concurrent Postgres scans

  duckdb/pg_duckdb#1084 · Filter by author karthiviz opened on Oct 5, 2026
  1

• v1.1.1 returns wrong results on Iceberg tables partitioned by month(date) (duckdb-iceberg#699) — fixed on main, not in any release

  duckdb/pg_duckdb#1083 · Filter by author litkhai opened on Sep 24, 2026

• DuckDB UBIGINT and UHUGEINT lists cannot be converted to PostgreSQL arrays

  duckdb/pg_duckdb#1080 · Filter by author Svetuf opened on Sep 8, 2026

• POSIX regex operators ~ / !~ / ~* are compiled to regexp_full_match, so unanchored patterns silently match nothing

  duckdb/pg_duckdb#1078 · Filter by author dunajevas opened on Sep 1, 2026
  1

• Silent row loss: binary min/max of a text join key pushed into PGDUCKDB_POSTGRES_SCAN, then evaluated under the Postgres collation

  duckdb/pg_duckdb#1077 · Filter by author dunajevas opened on Sep 1, 2026
  1

• InvokeCPPFunc cannot be called with rvalue arguments

  duckdb/pg_duckdb#1075 · Filter by author Svetuf opened on Aug 28, 2026

• False-positive mixed-write error during pg_upgrade with pg_duckdb

  duckdb/pg_duckdb#1074 · Filter by author NitinJadhav-postgres opened on Aug 25, 2026

• SIGSEGV on jsonb SQL SRF when unsafe_allow_execution_inside_functions is on

  duckdb/pg_duckdb#1073 · Filter by author saygoodbyye opened on Aug 25, 2026

• NUMERIC NaN read from a Postgres table is silently converted to 0 when executed by DuckDB

  duckdb/pg_duckdb#1069 · Filter by author LiangrunDa opened on Aug 18, 2026

• INSERT ... SELECT ignores explicit target column order and matches by physical table order

  duckdb/pg_duckdb#1066 · Filter by author B0GDANPN opened on Aug 3, 2026
  1

• SEGFAULT when using COPY … TO s3:// with a real PostgreSQL table as source (postgres scanner crash)

  duckdb/pg_duckdb#1056 · Filter by author stefanzippel opened on Jul 1, 2026

• Getting Binder Error: Schema with name "pg_catalog" not found on 1.5.4

  duckdb/pg_duckdb#1055 · Filter by author mikicz opened on Jul 1, 2026
  2