[1.4.0] Queries don’t terminate since type change of .arrow() #85
Description
What happens?
Duckdb changed the return type of arrow() from a pyarrow table to a RecordBatchReader.
The consequence of this is that some queries don’t terminate.
import duckdb
xxx = duckdb.sql("From range(5) T(a)")
yyy = xxx.arrow()
# works fine
duckdb.sql("From xxx")
# never terminates
duckdb.sql("From yyy")
# works fine
zzz = xxx.fetch_arrow_table()
duckdb.sql("From zzz")
It would be great if the query From yyy would throw an error instead of not terminating, for example
The table yyy is a RecordBatchReader which is not supported form replacement scans. Please use
fetch_arrow_table()instead offetch_record_batch()(or.arrow()).
To Reproduce
Execute above code in a venv with duckdb and pyarrow installed.
OS:
Windows
DuckDB Package Version:
1.4.0
Python Version:
3.13.2
Full Name:
Dino Burger
Affiliation:
None
What is the latest build you tested with? If possible, we recommend testing with the latest nightly build.
I have tested with a nightly build
Did you include all relevant data sets for reproducing the issue?
Yes
Did you include all code required to reproduce the issue?
- Yes, I have
Did you include all relevant configuration to reproduce the issue?
- Yes, I have