rdblue commented on code in PR #6775:
URL: https://github.com/apache/iceberg/pull/6775#discussion_r1111316656
##########
python/pyiceberg/io/pyarrow.py:
##########
@@ -470,13 +472,25 @@ def expression_to_pyarrow(expr: BooleanExpression) ->
pc.Expression:
return boolean_expression_visit(expr, _ConvertToArrowExpression())
+def _read_deletes(fs: FileSystem, file_path: str) -> Dict[str,
pa.ChunkedArray]:
+ _, path = PyArrowFileIO.parse_location(file_path)
+ table = pq.read_table(
+ source=path, pre_buffer=True, buffer_size=8 * ONE_MEGABYTE,
read_dictionary=["file_path"], filesystem=fs
+ )
+ table.unify_dictionaries()
+ return {
+ file.as_py(): table.filter(pc.field("file_path") ==
file).column("pos") for file in table.columns[0].chunks[0].dictionary
Review Comment:
Do we want to pass in a particular file instead of reading all of them like
this? I think that's how we would normally use this.
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