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Stop reading unused rootHash in consumeEntries func #842

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Stop reading unused rootHash in consumeEntries func #842

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5 changes: 2 additions & 3 deletions storage/gcp/gcp.go
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Original file line number Diff line number Diff line change
Expand Up @@ -877,13 +877,12 @@ func (s *spannerCoordinator) consumeEntries(ctx context.Context, limit uint64, f
didWork := false
_, err := s.dbPool.ReadWriteTransaction(ctx, func(ctx context.Context, txn *spanner.ReadWriteTransaction) error {
// Figure out which is the starting index of sequenced entries to start consuming from.
row, err := txn.ReadRowWithOptions(ctx, "IntCoord", spanner.Key{0}, []string{"seq", "rootHash"}, &spanner.ReadOptions{LockHint: spannerpb.ReadRequest_LOCK_HINT_EXCLUSIVE})
row, err := txn.ReadRowWithOptions(ctx, "IntCoord", spanner.Key{0}, []string{"seq"}, &spanner.ReadOptions{LockHint: spannerpb.ReadRequest_LOCK_HINT_EXCLUSIVE})
if err != nil {
return err
}
var fromSeq int64 // Spanner doesn't support uint64
var rootHash []byte
if err := row.Columns(&fromSeq, &rootHash); err != nil {
if err := row.Columns(&fromSeq); err != nil {
return fmt.Errorf("failed to read integration coordination info: %v", err)
}

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