Postgres Server Crash When Cancelling Copy Statement

[AndrewJackson2020]

What happens?

When cancelling a copy statement postgres crash occurred. Not sure how to reproduce but just wanted to file the issue.

2025-11-17 20:04:33.834 GMT [1060959] [unknown]@[unknown] LOG:  connection received: host=[local]
terminate called after throwing an instance of 'duckdb::Exception'
  what():  {"exception_type":"Executor","exception_message":"(PGDuckDB/Cleanup) another command is already in progress"}
2025-11-17 20:04:47.737 GMT [1050525] LOG:  server process (PID 1060932) was terminated by signal 6: Aborted
2025-11-17 20:04:47.737 GMT [1050525] DETAIL:  Failed process was running:
                    COPY schema_name.table_name
                    TO 's3://bucket-name/file_name';

2025-11-17 20:04:47.737 GMT [1050525] LOG:  terminating any other active server processes
2025-11-17 20:04:47.757 GMT [1050525] LOG:  all server processes terminated; reinitializing
2025-11-17 20:04:49.258 GMT [1061012] LOG:  database system was interrupted; last known up at 2025-11-17 19:59:50 GMT
2025-11-17 20:04:49.495 GMT [1061012] LOG:  database system was not properly shut down; automatic recovery in progress
2025-11-17 20:04:49.496 GMT [1061012] LOG:  redo starts at 0/20F573C0
2025-11-17 20:04:49.496 GMT [1061012] LOG:  invalid record length at 0/20F58C40: wanted 24, got 0
2025-11-17 20:04:49.496 GMT [1061012] LOG:  redo done at 0/20F58C08 system usage: CPU: user: 0.00 s, system: 0.00 s, elapsed: 0.00 s
2025-11-17 20:04:49.550 GMT [1050525] LOG:  database system is ready to accept connections

To Reproduce

I'm not sure how to reproduce at the moment

OS:

Linux

pg_duckdb Version (if built from source use commit hash):

v1.0.0

Postgres Version (if built from source use commit hash):

14.19

Hardware:

No response

Full Name:

Andrew Jackson

Affiliation:

Andrew Jackson

What is the latest build you tested with? If possible, we recommend testing with the latest nightly build.

I have tested with a stable release

Did you include all relevant data sets for reproducing the issue?

No - Other reason (please specify in the issue body)

Did you include all code required to reproduce the issue?

• Yes, I have

Did you include all relevant configuration (e.g., CPU architecture, Linux distribution) to reproduce the issue?

• Yes, I have