ability to filter on relationships

[maaft]

It would be very useful to filter on relationships.

For example I have two events:

• GameCreated(uint32 gameId, address player1);
• GameStarted(uint32 gameId, address playerWhite, address playerBlack);

I want to get all games that have "my" address. I have two options:

1. Do two separate queries, filter player1 for GameCreated, filter playerWhite or playerBlack for GameStarted
2. Define relationships and do one query while filtering on the relationship:

query GetGames($address: String!) {
  allGameCreateds(filter: {
    gameStartedsByGameId {
      playerWhite: {equalTo: $address}
    }
  }) {
    nodes {
      gameId
      player1
      gameStartedsByGameId {
        nodes {
          playerWhite
          playerBlack
        }
      }
    }
    totalCount
  }
}