39 lines
748 B
Go
39 lines
748 B
Go
package database
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import (
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"bytes"
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"database.orly/indexes"
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"database.orly/indexes/types"
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"encoders.orly/event"
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"github.com/dgraph-io/badger/v4"
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"lol.mleku.dev/chk"
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)
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func (d *D) FetchEventBySerial(ser *types.Uint40) (ev *event.E, err error) {
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if err = d.View(
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func(txn *badger.Txn) (err error) {
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buf := new(bytes.Buffer)
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if err = indexes.EventEnc(ser).MarshalWrite(buf); chk.E(err) {
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return
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}
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var item *badger.Item
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if item, err = txn.Get(buf.Bytes()); err != nil {
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return
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}
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var v []byte
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if v, err = item.ValueCopy(nil); chk.E(err) {
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return
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}
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ev = new(event.E)
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if err = ev.UnmarshalBinary(bytes.NewBuffer(v)); chk.E(err) {
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return
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}
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return
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},
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); err != nil {
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return
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}
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return
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}
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