From 4a52a71956a8d46fcb7294ac71734504bb09bcc2 Mon Sep 17 00:00:00 2001
From: S. Solomon Darnell
Date: Fri, 28 Mar 2025 21:52:21 -0500
Subject: two version of R2R are here

---
 .../site-packages/pgvector/psycopg2/halfvec.py     | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .venv/lib/python3.12/site-packages/pgvector/psycopg2/halfvec.py

(limited to '.venv/lib/python3.12/site-packages/pgvector/psycopg2/halfvec.py')

diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg2/halfvec.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg2/halfvec.py
new file mode 100644
index 00000000..b50e89b6
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg2/halfvec.py
@@ -0,0 +1,25 @@
+from psycopg2.extensions import adapt, new_array_type, 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, array_oid, scope):
+    halfvec = new_type((oid,), 'HALFVEC', cast_halfvec)
+    register_type(halfvec, scope)
+
+    if array_oid is not None:
+        halfvecarray = new_array_type((array_oid,), 'HALFVECARRAY', halfvec)
+        register_type(halfvecarray, scope)
+
+    register_adapter(HalfVector, HalfvecAdapter)
-- 
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