executor: remove useless parameter (#30043)

executor/adapter.go

@@ -1083,7 +1083,7 @@ func getPlanTree(sctx sessionctx.Context, p plannercore.Plan) string {
 	if atomic.LoadUint32(&cfg.Log.RecordPlanInSlowLog) == 0 {
 		return ""
 	}
-	planTree, _ := getEncodedPlan(sctx, p, false, nil)
+	planTree, _ := getEncodedPlan(sctx, p, false)
 	if len(planTree) == 0 {
 		return planTree
 	}
@@ -1103,7 +1103,7 @@ func getPlanDigest(sctx sessionctx.Context, p plannercore.Plan) (string, *parser
 }
 
 // getEncodedPlan gets the encoded plan, and generates the hint string if indicated.
-func getEncodedPlan(sctx sessionctx.Context, p plannercore.Plan, genHint bool, n ast.StmtNode) (encodedPlan, hintStr string) {
+func getEncodedPlan(sctx sessionctx.Context, p plannercore.Plan, genHint bool) (encodedPlan, hintStr string) {
 	var hintSet bool
 	encodedPlan = sctx.GetSessionVars().StmtCtx.GetEncodedPlan()
 	hintStr, hintSet = sctx.GetSessionVars().StmtCtx.GetPlanHint()
@@ -1161,7 +1161,7 @@ func (a *ExecStmt) SummaryStmt(succ bool) {
 
 	// No need to encode every time, so encode lazily.
 	planGenerator := func() (string, string) {
-		return getEncodedPlan(a.Ctx, a.Plan, !sessVars.InRestrictedSQL, a.StmtNode)
+		return getEncodedPlan(a.Ctx, a.Plan, !sessVars.InRestrictedSQL)
 	}
 	// Generating plan digest is slow, only generate it once if it's 'Point_Get'.
 	// If it's a point get, different SQLs leads to different plans, so SQL digest