pitrou commented on a change in pull request #12585:
URL: https://github.com/apache/arrow/pull/12585#discussion_r823593260
##########
File path: python/pyarrow/parquet.py
##########
@@ -1440,7 +1450,15 @@ def __init__(self, path_or_paths, filesystem=None,
schema=None,
else:
self.metadata = metadata
- self.schema = schema
+ if schema is not None:
+ warnings.warn(
+ "Specifying the 'schema' keyword with 'use_legacy_dataset="
Review comment:
Here as well, say "argument" not "keyword".
##########
File path: python/pyarrow/parquet.py
##########
@@ -1394,14 +1394,24 @@ def __new__(cls, path_or_paths=None, filesystem=None,
schema=None,
def __init__(self, path_or_paths, filesystem=None, schema=None,
metadata=None, split_row_groups=False, validate_schema=True,
- filters=None, metadata_nthreads=1, read_dictionary=None,
+ filters=None, metadata_nthreads=None, read_dictionary=None,
memory_map=False, buffer_size=0, partitioning="hive",
use_legacy_dataset=True, pre_buffer=True,
coerce_int96_timestamp_unit=None):
if partitioning != "hive":
raise ValueError(
'Only "hive" for hive-like partitioning is supported when '
'using use_legacy_dataset=True')
+ if metadata_nthreads is not None:
+ warnings.warn(
+ "Specifying the 'metadata_nthreads' keyword is deprecated as "
+ "of pyarrow 8.0.0, and the keyword will be removed in a "
+ "future version",
Review comment:
```suggestion
"Specifying the 'metadata_nthreads' argument is deprecated
as "
"of pyarrow 8.0.0, and the keyword will be argument in a "
"future version",
```
##########
File path: python/pyarrow/parquet.py
##########
@@ -1394,14 +1394,24 @@ def __new__(cls, path_or_paths=None, filesystem=None,
schema=None,
def __init__(self, path_or_paths, filesystem=None, schema=None,
metadata=None, split_row_groups=False, validate_schema=True,
- filters=None, metadata_nthreads=1, read_dictionary=None,
+ filters=None, metadata_nthreads=None, read_dictionary=None,
memory_map=False, buffer_size=0, partitioning="hive",
use_legacy_dataset=True, pre_buffer=True,
coerce_int96_timestamp_unit=None):
if partitioning != "hive":
raise ValueError(
'Only "hive" for hive-like partitioning is supported when '
'using use_legacy_dataset=True')
+ if metadata_nthreads is not None:
+ warnings.warn(
+ "Specifying the 'metadata_nthreads' keyword is deprecated as "
+ "of pyarrow 8.0.0, and the keyword will be removed in a "
+ "future version",
Review comment:
(may need reformatting after this change?)
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