AlenkaF commented on code in PR #48008:
URL: https://github.com/apache/arrow/pull/48008#discussion_r2493426208
##########
python/pyarrow/parquet/core.py:
##########
@@ -1887,10 +1887,23 @@ def read_table(source, *, columns=None,
use_threads=True,
"the 'schema' argument is not supported when the "
"pyarrow.dataset module is not available"
)
+ if isinstance(source, list):
+ raise ValueError(
+ "the 'source' argument cannot be a list of files "
+ "when the pyarrow.dataset module is not available"
+ )
+
filesystem, path = _resolve_filesystem_and_path(source, filesystem)
if filesystem is not None:
+ if not filesystem.get_file_info(path).is_file:
+ raise ValueError(
+ "the 'source' argument should be "
+ "an existing .parquet file and not a directory, "
+ "when the pyarrow.dataset module is not available"
Review Comment:
Please ignore, see above.
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