nips/119.md
2024-09-23 23:43:48 +02:00

513 B

NIP-119: AND Operator in Filters

Enable AND within a single tag filter by using an & modifier in filters for indexable tags.

filters: {
  "kinds": [1],
  "&t": ["meme", "cat"],
  "#t": ["black", "white"]
}
// returns kind `1` events with `t` tags that have both "meme" and "cat" that have the tag "black" or "white"

Rules

  • AND MUST take precedence over OR
  • Tags used in AND SHOULD NOT be used in standard OR tags [#]
  • Any tag used in AND SHOULD be ignored in OR