title: @Query in Room with TypeConverter
body: <p>Hi i use room with typeconverter it works perfectly</p>
  <pre><code>@Entity(tableName = &quot;Library&quot;)
  data class Library(@PrimaryKey var id : String,var categories: List&lt;String&gt; = listOf())
  </code></pre>
  <p>typeconverter</p>
  <pre><code>@TypeConverters
  object LibraryConverters{
     @TypeConverter
     fun fromString(s : String) : List&lt;String&gt; = Gson().fromJson(s,object : TypeToken&lt;List&lt;String&gt;&gt;() 
                    {}.type)
     @TypeConverter
     fun toJson(l : List&lt;String&gt;) : String = Gson().toJson(l)
  }
  </code></pre>
  <p>dao</p>
  <pre><code>@Dao
  interface LibraryDao{
    @Query(&quot;Select * from Library&quot;)
    fun allPaged() : androidx.paging.DataSource.Factory&lt;Int,Library&gt;
    }
  </code></pre>
  <p>now i search anyway get all just for one category. thanks</p>