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eventstore: QueryEvents() to take a maxLimit param now so everything is clearer.

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This commit is contained in:
fiatjaf
2025-05-11 09:36:59 -03:00
parent 9118217048
commit f60fc08f8d
40 changed files with 108 additions and 151 deletions
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18
eventstore/lmdb/query.go
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@@ -14,27 +14,25 @@ import (
"github.com/PowerDNS/lmdb-go/lmdb"
)
func (b *LMDBBackend) QueryEvents(filter nostr.Filter) iter.Seq[nostr.Event] {
func (b *LMDBBackend) QueryEvents(filter nostr.Filter, maxLimit int) iter.Seq[nostr.Event] {
return func(yield func(nostr.Event) bool) {
if filter.Search != "" {
return
}
// max number of events we'll return
var limit int
limit = b.MaxLimit / 4
if filter.Limit > 0 && filter.Limit <= b.MaxLimit {
limit = filter.Limit
}
if tlimit := nostr.GetTheoreticalLimit(filter); tlimit == 0 {
if tlimit := filter.GetTheoreticalLimit(); tlimit == 0 || filter.LimitZero {
return
} else if tlimit > 0 {
limit = tlimit
} else if tlimit < maxLimit {
maxLimit = tlimit
}
if filter.Limit < maxLimit {
maxLimit = filter.Limit
}
b.lmdbEnv.View(func(txn *lmdb.Txn) error {
txn.RawRead = true
results, err := b.query(txn, filter, limit)
results, err := b.query(txn, filter, maxLimit)
for _, ie := range results {
if !yield(ie.Event) {