Restore 0.1.5 version from stash

2025-12-08 19:56:24 +08:00
parent de189e938d
commit 8db3f4e32d
8578 changed files with 2703426 additions and 217 deletions
@@ -0,0 +1,20 @@
+from psycopg2.extensions import adapt, new_type, register_adapter, register_type
+from ..utils import HalfVector
+
+
+class HalfvecAdapter:
+    def __init__(self, value):
+        self._value = value
+
+    def getquoted(self):
+        return adapt(HalfVector._to_db(self._value)).getquoted()
+
+
+def cast_halfvec(value, cur):
+    return HalfVector._from_db(value)
+
+
+def register_halfvec_info(oid, scope):
+    halfvec = new_type((oid,), 'HALFVEC', cast_halfvec)
+    register_type(halfvec, scope)
+    register_adapter(HalfVector, HalfvecAdapter)