Simplified _to_db_binary [skip ci]

Author: ankane

pgvector/halfvec.py

@@ -94,10 +94,7 @@ def _to_db(cls, value: object) -> str | None:
         return value.to_text()
 
     @classmethod
-    def _to_db_binary(cls, value: object) -> bytes | None:
-        if value is None:
-            return value
-
+    def _to_db_binary(cls, value: object) -> bytes:
         if not isinstance(value, cls):
             value = cls(value)  # type: ignore
 

pgvector/sparsevec.py

@@ -159,10 +159,7 @@ def _to_db(cls, value: object) -> str | None:
         return value.to_text()
 
     @classmethod
-    def _to_db_binary(cls, value: object) -> bytes | None:
-        if value is None:
-            return value
-
+    def _to_db_binary(cls, value: object) -> bytes:
         if not isinstance(value, cls):
             value = cls(value)
 

pgvector/vector.py

@@ -92,10 +92,7 @@ def _to_db(cls, value: object) -> str | None:
         return value.to_text()
 
     @classmethod
-    def _to_db_binary(cls, value: object) -> bytes | None:
-        if value is None:
-            return value
-
+    def _to_db_binary(cls, value: object) -> bytes:
         if not isinstance(value, cls):
             value = cls(value)  # type: ignore