auto convert strings in ids

README.md

@@ -142,4 +142,5 @@ Just make a pull request, and it will be reviewed as soon as possible.
 ## To-Do
 
 - [ ] Optimize parameter parsing
+- [x] Automatically use string syntax for string IDs
 - [ ] Document IDs and Ranged IDs

actions.go

@@ -36,6 +36,8 @@ func (db *DB) Scan(scan any, query string, args ...any) error {
 	last := res[len(res)-1]
 	if last.Error != nil {
 		return last.Error
+	} else if last.Data == nil || len(last.Data.([]any)) == 0 {
+		return nil
 	}
 
 	return scanData(scan, last)
@@ -85,6 +87,6 @@ func (db *DB) MustExec(query string, args ...any) {
 	}
 }
 
-type ID [2]any
+type ID []any
 
 type Range [2]ID

intergration_test.go

@@ -51,6 +51,16 @@ SELECT * FROM test;
 		err := db.Scan(&obj, "SELECT * FROM other:$", Range{ID{123}, ID{457}})
 		assert.NoError(t, err)
 	})
+	t.Run("With string id", func(t *testing.T) {
+		var obj string
+		err := db.Scan(&obj, "SELECT * FROM other:$", ID{"123"})
+		assert.NoError(t, err)
+	})
+	t.Run("With ranged string id", func(t *testing.T) {
+		var obj []string
+		err := db.Scan(&obj, "SELECT * FROM other:$", Range{ID{"123"}, ID{"457"}})
+		assert.NoError(t, err)
+	})
 	t.Run("Scan only", func(t *testing.T) {
 		only := testObject{}
 		err := db.Scan(&only, "SELECT * FROM ONLY test WHERE time_since = $time_since", testObject{TimeSince: ts})

internals.go

@@ -183,18 +183,27 @@ func setVal(dest, src reflect.Value) {
 }
 
 func (id ID) string() string {
-	s := make([]string, 0, 2)
-	for _, v := range id {
-		if v == nil {
-			continue
+	if len(id) == 1 {
+		switch id[0].(type) {
+		case string:
+			return fmt.Sprintf("`%s`", strings.Replace(id[0].(string), "`", "", -1))
+		default:
+			return fmt.Sprintf("%v", id[0])
 		}
-		s = append(s, fmt.Sprintf("%v", v))
 	}
-	str := strings.Join(s, ", ")
-	if len(s) == 1 {
-		return str
+
+	str := "["
+	for _, v := range id {
+		switch v.(type) {
+		case string:
+			v = fmt.Sprintf("'%s'", strings.Replace(v.(string), "'", "", -1))
+		default:
+			v = fmt.Sprintf("%v", v)
+		}
+
+		str += fmt.Sprintf("%v, ", v)
 	}
-	return fmt.Sprintf("[%s]", str)
+	return str[:len(str)-1] + "]"
 }
 
 func (r Range) string() string {