planner, stats: clean the called of Index.CheckStats (#46868)

ref #46867
pingcap · Sep 12, 2023 · b7cada2 · b7cada2
1 parent b7f0742
commit b7cada2
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Showing 2 changed files with 0 additions and 3 deletions.
diff --git a/planner/cardinality/row_count_index.go b/planner/cardinality/row_count_index.go
@@ -209,7 +209,6 @@ func isSingleColIdxNullRange(idx *statistics.Index, ran *ranger.Range) bool {
 
 // It uses the modifyCount to adjust the influence of modifications on the table.
 func getIndexRowCountForStatsV2(sctx sessionctx.Context, idx *statistics.Index, coll *statistics.HistColl, indexRanges []*ranger.Range, realtimeRowCount, modifyCount int64) (float64, error) {
-	idx.CheckStats()
 	sc := sctx.GetSessionVars().StmtCtx
 	debugTrace := sc.EnableOptimizerDebugTrace
 	if debugTrace {

diff --git a/statistics/index.go b/statistics/index.go
@@ -121,7 +121,6 @@ func (idx *Index) String() string {
 
 // TotalRowCount returns the total count of this index.
 func (idx *Index) TotalRowCount() float64 {
-	idx.CheckStats()
 	if idx.StatsVer >= Version2 {
 		return idx.Histogram.TotalRowCount() + float64(idx.TopN.TotalCount())
 	}
@@ -183,7 +182,6 @@ func (idx *Index) MemoryUsage() CacheItemMemoryUsage {
 // QueryBytes is used to query the count of specified bytes.
 // The input sctx is just for debug trace, you can pass nil safely if that's not needed.
 func (idx *Index) QueryBytes(sctx sessionctx.Context, d []byte) (result uint64) {
-	idx.CheckStats()
 	if sctx != nil && sctx.GetSessionVars().StmtCtx.EnableOptimizerDebugTrace {
 		debugtrace.EnterContextCommon(sctx)
 		defer func() {