fix

pgvectorscale/sql/vectorscale--0.0.2--0.4.0.sql

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+vectorscale--0.3.0--0.4.0.sql

pgvectorscale/sql/vectorscale--0.2.0--0.4.0.sql

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+vectorscale--0.3.0--0.4.0.sql

pgvectorscale/sql/vectorscale--0.3.0--0.4.0.sql

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+/* <begin connected objects> */
+/*
+This file is auto generated by pgrx.
+
+The ordering of items is not stable, it is driven by a dependency graph.
+*/
+/* </end connected objects> */
+
+/* <begin connected objects> */
+-- src/access_method/mod.rs:26
+-- vectorscale::access_method::amhandler
+
+    CREATE OR REPLACE FUNCTION diskann_amhandler(internal) RETURNS index_am_handler PARALLEL SAFE IMMUTABLE STRICT COST 0.0001 LANGUAGE c AS '$libdir/vectorscale-0.4.0', 'amhandler_wrapper';
+
+    DO $$
+    DECLARE
+        c int;
+    BEGIN
+        SELECT count(*)
+        INTO c
+        FROM pg_catalog.pg_am a
+        WHERE a.amname = 'diskann';
+
+        IF c = 0 THEN
+            CREATE ACCESS METHOD diskann TYPE INDEX HANDLER diskann_amhandler;
+        END IF;
+    END;
+    $$;
+/* </end connected objects> */
+
+/* <begin connected objects> */
+-- src/access_method/mod.rs:89
+-- requires:
+--   amhandler
+
+
+DO $$
+DECLARE
+  c int;
+BEGIN
+    SELECT count(*)
+    INTO c
+    FROM pg_catalog.pg_opclass c
+    WHERE c.opcname = 'vector_cosine_ops'
+    AND c.opcmethod = (SELECT oid FROM pg_catalog.pg_am am  WHERE am.amname = 'diskann');
+
+    IF c = 0 THEN
+        CREATE OPERATOR CLASS vector_cosine_ops DEFAULT
+        FOR TYPE vector USING diskann AS
+	        OPERATOR 1 <=> (vector, vector) FOR ORDER BY float_ops;
+    END IF;
+END;
+$$;
+/* </end connected objects> */
+