[python] Refactor SplitBase to Split

Author: JingsongLi

paimon-python/pypaimon/globalindex/indexed_split.py

@@ -22,10 +22,10 @@
 
 from typing import List, Optional
 
-from pypaimon.read.split import SplitBase
+from pypaimon.read.split import Split
 
 
-class IndexedSplit(SplitBase):
+class IndexedSplit(Split):
 
     def __init__(
         self,

paimon-python/pypaimon/read/scanner/full_starting_scanner.py

@@ -32,7 +32,7 @@
 from pypaimon.read.scanner.data_evolution_split_generator import DataEvolutionSplitGenerator
 from pypaimon.read.scanner.primary_key_table_split_generator import PrimaryKeyTableSplitGenerator
 from pypaimon.read.scanner.starting_scanner import StartingScanner
-from pypaimon.read.split import Split
+from pypaimon.read.split import DataSplit
 from pypaimon.snapshot.snapshot_manager import SnapshotManager
 from pypaimon.table.bucket_mode import BucketMode
 from pypaimon.manifest.simple_stats_evolutions import SimpleStatsEvolutions
@@ -240,7 +240,7 @@ def with_slice(self, start_pos: int, end_pos: int) -> 'FullStartingScanner':
         self.end_pos_of_this_subtask = end_pos
         return self
 
-    def _apply_push_down_limit(self, splits: List[Split]) -> List[Split]:
+    def _apply_push_down_limit(self, splits: List[DataSplit]) -> List[DataSplit]:
         if self.limit is None:
             return splits
         scanned_row_count = 0

paimon-python/pypaimon/read/scanner/split_generator.py

@@ -21,6 +21,7 @@
 from pypaimon.manifest.schema.data_file_meta import DataFileMeta
 from pypaimon.manifest.schema.manifest_entry import ManifestEntry
 from pypaimon.read.split import Split
+from pypaimon.read.split import DataSplit
 from pypaimon.table.row.generic_row import GenericRow
 from pypaimon.table.source.deletion_file import DeletionFile
 
@@ -121,7 +122,7 @@ def _build_split_from_pack(
                         file_entries[0].bucket
                     )
 
-                split = Split(
+                split = DataSplit(
                     files=file_group,
                     partition=file_entries[0].partition,
                     bucket=file_entries[0].bucket,

paimon-python/pypaimon/read/sliced_split.py

@@ -22,10 +22,10 @@
 
 from typing import List, Dict, Tuple
 
-from pypaimon.read.split import SplitBase
+from pypaimon.read.split import Split
 
 
-class SlicedSplit(SplitBase):
+class SlicedSplit(Split):
     """
     Wrapper for Split that adds file-level slicing information.
     

paimon-python/pypaimon/read/split.py

@@ -24,7 +24,7 @@
 from pypaimon.table.source.deletion_file import DeletionFile
 
 
-class SplitBase(ABC):
+class Split(ABC):
     """
     Base interface for Split following Java's org.apache.paimon.table.source.Split.
 
@@ -56,7 +56,7 @@ def bucket(self) -> int:
         pass
 
 
-class Split(SplitBase):
+class DataSplit(Split):
     """
     Implementation of Split for native Python reading.