update method Null safety
- MetadataKey key,
- String value
Implementation
void update(MetadataKey key, String value) => _db.execute('''
UPDATE $table
SET $columnValue = '$value'
WHERE $columnKey = '${key.value}';
''');
void update(MetadataKey key, String value) => _db.execute('''
UPDATE $table
SET $columnValue = '$value'
WHERE $columnKey = '${key.value}';
''');