wengh commented on code in PR #49961:
URL: https://github.com/apache/spark/pull/49961#discussion_r1972861639
##########
python/pyspark/sql/datasource.py:
##########
@@ -234,6 +249,35 @@ def streamReader(self, schema: StructType) ->
"DataSourceStreamReader":
)
+ColumnPath = Tuple[str, ...]
+
+
+@dataclass(frozen=True)
+class Filter(ABC):
+ """
+ The base class for filters used for filter pushdown.
+
+ .. versionadded: 4.1.0
+
Review Comment:
Should add examples of sql filter expression -> filter and also unsupported
filter examples
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