first commit

types.go

@@ -0,0 +1,43 @@
+package db
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+)
+
+type Strings []string
+
+func (c *Strings) Scan(value any) error {
+	if value == nil {
+		return nil
+	}
+
+	return json.Unmarshal(value.([]byte), c)
+}
+
+func (c Strings) Value() (driver.Value, error) {
+	b, err := json.Marshal(c)
+	return string(b), err
+}
+
+type NullString string
+
+func (this *NullString) Scan(value any) error {
+	if value == nil {
+		return nil
+	}
+
+	switch s := value.(type) {
+	case []byte:
+		*this = NullString(s)
+	default:
+		*this = NullString(fmt.Sprintf("%v", s))
+	}
+
+	return nil
+}
+
+func (c NullString) Value() (driver.Value, error) {
+	return c, nil
+}