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fix: multi-tag query

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fixes https://github.com/scsibug/nostr-rs-relay/issues/102

Signed-off-by: Greg Heartsfield <scsibug@imap.cc>
This commit is contained in:
Kieran 2023-11-22 23:54:22 +00:00 committed by Greg Heartsfield
parent 7120de4ff8
commit b4471a6698
1 changed files with 28 additions and 2 deletions
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30
src/repo/postgres.rs
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@ -878,8 +878,13 @@ fn query_from_filter(f: &ReqFilter) -> Option<QueryBuilder<Postgres>> {
}
push_and = true;
let mut push_or = false;
query.push("e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and ");
for (key, val) in map.iter() {
query.push("e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = ")
if push_or {
query.push(" OR ");
}
query.push("(t.\"name\" = ")
.push_bind(key.to_string())
.push(" AND (");
@ -907,8 +912,10 @@ fn query_from_filter(f: &ReqFilter) -> Option<QueryBuilder<Postgres>> {
}
}
query.push("))))");
query.push(")))");
push_or = true;
}
query.push(")");
}
}
@ -1039,4 +1046,23 @@ mod tests {
let q = query_from_filter(&filter).unwrap();
assert_eq!(q.sql(), "SELECT e.\"content\", e.created_at FROM \"event\" e WHERE (e.pub_key in ($1) OR e.delegated_by in ($2)) AND e.kind in ($3) AND e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = $4 AND (value in ($5) OR value_hex in ($6)))) AND e.hidden != 1::bit(1) AND (e.expires_at IS NULL OR e.expires_at > now()) ORDER BY e.created_at ASC LIMIT 1000")
}
#[test]
fn test_query_multiple_tags() {
let filter = ReqFilter {
ids: None,
kinds: Some(vec![30_001]),
since: None,
until: None,
authors: None,
limit: None,
tags: Some(HashMap::from([
('d', HashSet::from(["follow".to_owned()])),
('t', HashSet::from(["siamstr".to_owned()]))
])),
force_no_match: false,
};
let q = query_from_filter(&filter).unwrap();
assert_eq!(q.sql(), "SELECT e.\"content\", e.created_at FROM \"event\" e WHERE e.kind in ($1) AND e.id IN (SELECT ee.id FROM \"event\" ee LEFT JOIN tag t on ee.id = t.event_id WHERE ee.hidden != 1::bit(1) and (t.\"name\" = $2 AND (value in ($3))) OR (t.\"name\" = $4 AND (value in ($5)))) AND e.hidden != 1::bit(1) AND (e.expires_at IS NULL OR e.expires_at > now()) ORDER BY e.created_at ASC LIMIT 1000")
}
}