fix

vlib/v/gen/c/orm.v

@@ -413,7 +413,7 @@ fn (mut g Gen) write_orm_insert_with_last_ids(node ast.SqlStmtLine, connection_v
 				ctyp = 'time__Time'
 				typ = 'time'
 			} else if sym.kind == .enum {
-				typ = 'i64'
+				typ = g.table.sym(g.table.final_type(field.typ)).cname
 			}
 			var := '${node.object_var}${member_access_type}${c_name(field.name)}'
 			if field.typ.has_flag(.option) {
@@ -605,7 +605,7 @@ fn (mut g Gen) write_orm_primitive(t ast.Type, expr ast.Expr) {
 		if t.has_flag(.option) {
 			typ = 'option_${typ}'
 		} else if g.table.final_sym(t).kind == .enum {
-			typ = 'i64'
+			typ = g.table.sym(g.table.final_type(t)).cname
 		}
 		g.write('orm__${typ}_to_primitive(')
 		if expr is ast.CallExpr {

vlib/v/tests/orm_update_test.v

@@ -0,0 +1,41 @@
+import db.sqlite
+
+struct Person {
+	name   string
+	height Height
+}
+
+enum Height {
+	tall
+	small
+}
+
+fn test_main() {
+	db := sqlite.connect(':memory:')!
+
+	sql db {
+		create table Person
+	}!
+
+	a := Person{'A', Height.small}
+	b := Person{'A', Height.tall}
+
+	sql db {
+		insert a into Person
+	}!
+
+	sql db {
+		insert b into Person
+	}!
+
+	new_height := Height.small
+	sql db {
+		update Person set height = new_height where height == Height.tall
+	}!
+
+	rows := sql db {
+		select from Person where height == Height.small
+	}!
+
+	assert rows.len == 2
+}