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include the length of the arrays in the error message

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Mark Haines 2017-02-09 15:32:03 +00:00
parent 70645ea2c7
commit 027b867374
1 changed files with 2 additions and 2 deletions
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4
src/github.com/matrix-org/dendrite/roomserver/storage/sql.go
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@ -410,13 +410,13 @@ func (s *statements) bulkSelectStateEventByIDID(eventIDs []string) ([]types.Stat
return nil, err
}
}
if i < len(eventIDs) {
if i != len(eventIDs) {
// If there are fewer rows returned than IDs then we were asked to lookup event IDs we don't have.
// We don't know which ones were missing because we don't return the string IDs in the query.
// However it should be possible debug this by replaying queries or entries from the input kafka logs.
// If this turns out to be impossible and we do need the debug information here, it would be better
// to do it as a separate query rather than slowing down/complicating the common case.
return nil, fmt.Errorf("storage: state event IDs missing from the database")
return nil, fmt.Errorf("storage: state event IDs missing from the database (%d != %d)", i, len(eventIDs))
}
return results, err
}