added more hints for generating rewrite rule

Signed-off-by: hillium <[email protected]>
pingcap · Jan 9, 2025 · 2e2dd07 · 2e2dd07
1 parent 9a72ddc
commit 2e2dd07
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diff --git a/br/pkg/restore/log_client/compacted_file_strategy.go b/br/pkg/restore/log_client/compacted_file_strategy.go
@@ -66,6 +66,8 @@ func (cs *CompactedFileSplitStrategy) Accumulate(ssts SSTs) {
 	splitHelper, exist := cs.TableSplitter[identity.EffectiveID]
 	if !exist {
 		splitHelper = split.NewSplitHelper()
+		log.Info("Initialized splitter for table.",
+			zap.Int64("table-id", ssts.TableID()), zap.Int64("effective-id", identity.EffectiveID), zap.Stringer("rewrite-boundary", identity.RewriteBoundary))
 		cs.TableSplitter[identity.EffectiveID] = splitHelper
 	}
 

diff --git a/br/pkg/restore/utils/rewrite_rule.go b/br/pkg/restore/utils/rewrite_rule.go
@@ -331,6 +331,10 @@ func FindMatchedRewriteRule(file AppliedFile, rules *RewriteRules) *import_sstpb
 }
 
 func (r *RewriteRules) String() string {
+	if r == nil {
+		return "[]"
+	}
+
 	var out strings.Builder
 	out.WriteRune('[')
 	if len(r.OldKeyspace) != 0 {