execute: don't transform charset in internal sql (#30843)

close #30789

bindinfo/handle.go

@@ -131,7 +131,7 @@ func (h *BindHandle) Update(fullLoad bool) (err error) {
 	}
 
 	exec := h.sctx.Context.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.TODO(), `SELECT original_sql, bind_sql, default_db, status, create_time, update_time, charset, collation, source
+	stmt, err := exec.ParseWithParamsInternal(context.TODO(), `SELECT original_sql, bind_sql, default_db, status, create_time, update_time, charset, collation, source
 	FROM mysql.bind_info WHERE update_time > %? ORDER BY update_time, create_time`, updateTime)
 	if err != nil {
 		return err
@@ -697,7 +697,7 @@ func (h *BindHandle) extractCaptureFilterFromStorage() (filter *captureFilter) {
 		tables:    make(map[stmtctx.TableEntry]struct{}),
 	}
 	exec := h.sctx.Context.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.TODO(), `SELECT filter_type, filter_value FROM mysql.capture_plan_baselines_blacklist order by filter_type`)
+	stmt, err := exec.ParseWithParamsInternal(context.TODO(), `SELECT filter_type, filter_value FROM mysql.capture_plan_baselines_blacklist order by filter_type`)
 	if err != nil {
 		logutil.BgLogger().Warn("[sql-bind] failed to parse query for mysql.capture_plan_baselines_blacklist load", zap.Error(err))
 		return
@@ -923,7 +923,7 @@ func (h *BindHandle) SaveEvolveTasksToStore() {
 }
 
 func getEvolveParameters(ctx sessionctx.Context) (time.Duration, time.Time, time.Time, error) {
-	stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParams(
+	stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParamsInternal(
 		context.TODO(),
 		"SELECT variable_name, variable_value FROM mysql.global_variables WHERE variable_name IN (%?, %?, %?)",
 		variable.TiDBEvolvePlanTaskMaxTime,

ddl/column.go

@@ -996,7 +996,7 @@ func (w *worker) doModifyColumnTypeWithData(
 				}
 				defer w.sessPool.put(ctx)
 
-				stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParams(context.Background(), valStr)
+				stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParamsInternal(context.Background(), valStr)
 				if err != nil {
 					job.State = model.JobStateCancelled
 					failpoint.Return(ver, err)
@@ -1703,7 +1703,7 @@ func checkForNullValue(ctx context.Context, sctx sessionctx.Context, isDataTrunc
 		}
 	}
 	buf.WriteString(" limit 1")
-	stmt, err := sctx.(sqlexec.RestrictedSQLExecutor).ParseWithParams(ctx, buf.String(), paramsList...)
+	stmt, err := sctx.(sqlexec.RestrictedSQLExecutor).ParseWithParamsInternal(ctx, buf.String(), paramsList...)
 	if err != nil {
 		return errors.Trace(err)
 	}

ddl/partition.go

@@ -1551,7 +1551,7 @@ func checkExchangePartitionRecordValidation(w *worker, pt *model.TableInfo, inde
 	}
 	defer w.sessPool.put(ctx)
 
-	stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParams(w.ddlJobCtx, sql, paramList...)
+	stmt, err := ctx.(sqlexec.RestrictedSQLExecutor).ParseWithParamsInternal(w.ddlJobCtx, sql, paramList...)
 	if err != nil {
 		return errors.Trace(err)
 	}
@@ -1569,7 +1569,7 @@ func checkExchangePartitionRecordValidation(w *worker, pt *model.TableInfo, inde
 func buildCheckSQLForRangeExprPartition(pi *model.PartitionInfo, index int, schemaName, tableName model.CIStr) (string, []interface{}) {
 	var buf strings.Builder
 	paramList := make([]interface{}, 0, 4)
-	// Since the pi.Expr string may contain the identifier, which couldn't be escaped in our ParseWithParams(...)
+	// Since the pi.Expr string may contain the identifier, which couldn't be escaped in our ParseWithParamsInternal(...)
 	// So we write it to the origin sql string here.
 	if index == 0 {
 		buf.WriteString("select 1 from %n.%n where ")

ddl/reorg.go

@@ -341,7 +341,7 @@ func getTableTotalCount(w *worker, tblInfo *model.TableInfo) int64 {
 		return statistics.PseudoRowCount
 	}
 	sql := "select table_rows from information_schema.tables where tidb_table_id=%?;"
-	stmt, err := executor.ParseWithParams(w.ddlJobCtx, sql, tblInfo.ID)
+	stmt, err := executor.ParseWithParamsInternal(w.ddlJobCtx, sql, tblInfo.ID)
 	if err != nil {
 		return statistics.PseudoRowCount
 	}

ddl/util/util.go

@@ -176,7 +176,7 @@ func LoadGlobalVars(ctx context.Context, sctx sessionctx.Context, varNames []str
 			paramNames = append(paramNames, name)
 		}
 		buf.WriteString(")")
-		stmt, err := e.ParseWithParams(ctx, buf.String(), paramNames...)
+		stmt, err := e.ParseWithParamsInternal(ctx, buf.String(), paramNames...)
 		if err != nil {
 			return errors.Trace(err)
 		}

domain/sysvar_cache.go

@@ -94,7 +94,7 @@ func (do *Domain) fetchTableValues(ctx sessionctx.Context) (map[string]string, e
 	tableContents := make(map[string]string)
 	// Copy all variables from the table to tableContents
 	exec := ctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.Background(), `SELECT variable_name, variable_value FROM mysql.global_variables`)
+	stmt, err := exec.ParseWithParamsInternal(context.Background(), `SELECT variable_name, variable_value FROM mysql.global_variables`)
 	if err != nil {
 		return tableContents, err
 	}

executor/analyze.go

@@ -1570,7 +1570,7 @@ type AnalyzeFastExec struct {
 func (e *AnalyzeFastExec) calculateEstimateSampleStep() (err error) {
 	exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
 	var stmt ast.StmtNode
-	stmt, err = exec.ParseWithParams(context.TODO(), "select flag from mysql.stats_histograms where table_id = %?", e.tableID.GetStatisticsID())
+	stmt, err = exec.ParseWithParamsInternal(context.TODO(), "select flag from mysql.stats_histograms where table_id = %?", e.tableID.GetStatisticsID())
 	if err != nil {
 		return
 	}

executor/brie.go

@@ -462,7 +462,7 @@ func (gs *tidbGlueSession) CreateSession(store kv.Storage) (glue.Session, error)
 // These queries execute without privilege checking, since the calling statements
 // such as BACKUP and RESTORE have already been privilege checked.
 func (gs *tidbGlueSession) Execute(ctx context.Context, sql string) error {
-	stmt, err := gs.se.(sqlexec.RestrictedSQLExecutor).ParseWithParams(ctx, sql)
+	stmt, err := gs.se.(sqlexec.RestrictedSQLExecutor).ParseWithParamsInternal(ctx, sql)
 	if err != nil {
 		return err
 	}

executor/ddl.go

@@ -506,7 +506,7 @@ func (e *DDLExec) dropTableObject(objects []*ast.TableName, obt objectType, ifEx
 				zap.String("table", fullti.Name.O),
 			)
 			exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
-			stmt, err := exec.ParseWithParams(context.TODO(), "admin check table %n.%n", fullti.Schema.O, fullti.Name.O)
+			stmt, err := exec.ParseWithParamsInternal(context.TODO(), "admin check table %n.%n", fullti.Schema.O, fullti.Name.O)
 			if err != nil {
 				return err
 			}

executor/infoschema_reader.go

@@ -190,7 +190,7 @@ func (e *memtableRetriever) retrieve(ctx context.Context, sctx sessionctx.Contex
 
 func getRowCountAllTable(ctx context.Context, sctx sessionctx.Context) (map[int64]uint64, error) {
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(ctx, "select table_id, count from mysql.stats_meta")
+	stmt, err := exec.ParseWithParamsInternal(ctx, "select table_id, count from mysql.stats_meta")
 	if err != nil {
 		return nil, err
 	}
@@ -215,7 +215,7 @@ type tableHistID struct {
 
 func getColLengthAllTables(ctx context.Context, sctx sessionctx.Context) (map[tableHistID]uint64, error) {
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(ctx, "select table_id, hist_id, tot_col_size from mysql.stats_histograms where is_index = 0")
+	stmt, err := exec.ParseWithParamsInternal(ctx, "select table_id, hist_id, tot_col_size from mysql.stats_histograms where is_index = 0")
 	if err != nil {
 		return nil, err
 	}

executor/inspection_profile.go

@@ -167,7 +167,7 @@ func (n *metricNode) getLabelValue(label string) *metricValue {
 
 func (n *metricNode) queryRowsByLabel(pb *profileBuilder, query string, handleRowFn func(label string, v float64)) error {
 	exec := pb.sctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.TODO(), query)
+	stmt, err := exec.ParseWithParamsInternal(context.TODO(), query)
 	if err != nil {
 		return err
 	}

executor/inspection_result.go

@@ -140,7 +140,7 @@ func (e *inspectionResultRetriever) retrieve(ctx context.Context, sctx sessionct
 		e.statusToInstanceAddress = make(map[string]string)
 		var rows []chunk.Row
 		exec := sctx.(sqlexec.RestrictedSQLExecutor)
-		stmt, err := exec.ParseWithParams(ctx, "select instance,status_address from information_schema.cluster_info;")
+		stmt, err := exec.ParseWithParamsInternal(ctx, "select instance,status_address from information_schema.cluster_info;")
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -251,7 +251,7 @@ func (configInspection) inspectDiffConfig(ctx context.Context, sctx sessionctx.C
 	}
 	var rows []chunk.Row
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(ctx, "select type, `key`, count(distinct value) as c from information_schema.cluster_config where `key` not in (%?) group by type, `key` having c > 1", ignoreConfigKey)
+	stmt, err := exec.ParseWithParamsInternal(ctx, "select type, `key`, count(distinct value) as c from information_schema.cluster_config where `key` not in (%?) group by type, `key` having c > 1", ignoreConfigKey)
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -261,7 +261,7 @@ func (configInspection) inspectDiffConfig(ctx context.Context, sctx sessionctx.C
 
 	generateDetail := func(tp, item string) string {
 		var rows []chunk.Row
-		stmt, err := exec.ParseWithParams(ctx, "select value, instance from information_schema.cluster_config where type=%? and `key`=%?;", tp, item)
+		stmt, err := exec.ParseWithParamsInternal(ctx, "select value, instance from information_schema.cluster_config where type=%? and `key`=%?;", tp, item)
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -347,7 +347,7 @@ func (c configInspection) inspectCheckConfig(ctx context.Context, sctx sessionct
 		}
 		sql.Reset()
 		fmt.Fprintf(sql, "select type,instance,value from information_schema.%s where %s", cas.table, cas.cond)
-		stmt, err := exec.ParseWithParams(ctx, sql.String())
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -378,7 +378,7 @@ func (c configInspection) checkTiKVBlockCacheSizeConfig(ctx context.Context, sct
 	}
 	var rows []chunk.Row
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(ctx, "select instance,value from information_schema.cluster_config where type='tikv' and `key` = 'storage.block-cache.capacity'")
+	stmt, err := exec.ParseWithParamsInternal(ctx, "select instance,value from information_schema.cluster_config where type='tikv' and `key` = 'storage.block-cache.capacity'")
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -405,7 +405,7 @@ func (c configInspection) checkTiKVBlockCacheSizeConfig(ctx context.Context, sct
 		ipToCount[ip]++
 	}
 
-	stmt, err = exec.ParseWithParams(ctx, "select instance, value from metrics_schema.node_total_memory where time=now()")
+	stmt, err = exec.ParseWithParamsInternal(ctx, "select instance, value from metrics_schema.node_total_memory where time=now()")
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -473,7 +473,7 @@ func (versionInspection) inspect(ctx context.Context, sctx sessionctx.Context, f
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
 	var rows []chunk.Row
 	// check the configuration consistent
-	stmt, err := exec.ParseWithParams(ctx, "select type, count(distinct git_hash) as c from information_schema.cluster_info group by type having c > 1;")
+	stmt, err := exec.ParseWithParamsInternal(ctx, "select type, count(distinct git_hash) as c from information_schema.cluster_info group by type having c > 1;")
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -643,7 +643,7 @@ func (criticalErrorInspection) inspectError(ctx context.Context, sctx sessionctx
 			sql.Reset()
 			fmt.Fprintf(sql, "select `%[1]s`,sum(value) as total from `%[2]s`.`%[3]s` %[4]s group by `%[1]s` having total>=1.0",
 				strings.Join(def.Labels, "`,`"), util.MetricSchemaName.L, rule.tbl, condition)
-			stmt, err := exec.ParseWithParams(ctx, sql.String())
+			stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 			if err == nil {
 				rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 			}
@@ -698,7 +698,7 @@ func (criticalErrorInspection) inspectForServerDown(ctx context.Context, sctx se
 		(select instance,job from metrics_schema.up %[1]s group by instance,job having max(value)-min(value)>0) as t1 join
 		(select instance,min(time) as min_time from metrics_schema.up %[1]s and value=0 group by instance,job) as t2 on t1.instance=t2.instance order by job`, condition)
 	var rows []chunk.Row
-	stmt, err := exec.ParseWithParams(ctx, sql.String())
+	stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -726,7 +726,7 @@ func (criticalErrorInspection) inspectForServerDown(ctx context.Context, sctx se
 	// Check from log.
 	sql.Reset()
 	fmt.Fprintf(sql, "select type,instance,time from information_schema.cluster_log %s and level = 'info' and message like '%%Welcome to'", condition)
-	stmt, err = exec.ParseWithParams(ctx, sql.String())
+	stmt, err = exec.ParseWithParamsInternal(ctx, sql.String())
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -863,7 +863,7 @@ func (thresholdCheckInspection) inspectThreshold1(ctx context.Context, sctx sess
 				(select instance, max(value) as cpu from metrics_schema.tikv_thread_cpu %[3]s and name like '%[1]s' group by instance) as t1
 				where t1.cpu > %[2]f;`, rule.component, rule.threshold, condition)
 		}
-		stmt, err := exec.ParseWithParams(ctx, sql.String())
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -1036,7 +1036,7 @@ func (thresholdCheckInspection) inspectThreshold2(ctx context.Context, sctx sess
 		} else {
 			fmt.Fprintf(sql, "select instance, max(value)/%.0f as max_value from metrics_schema.%s %s group by instance having max_value > %f;", rule.factor, rule.tbl, cond, rule.threshold)
 		}
-		stmt, err := exec.ParseWithParams(ctx, sql.String())
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -1222,7 +1222,7 @@ func checkRules(ctx context.Context, sctx sessionctx.Context, filter inspectionF
 			continue
 		}
 		sql := rule.genSQL(filter.timeRange)
-		stmt, err := exec.ParseWithParams(ctx, sql)
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql)
 		if err == nil {
 			rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}
@@ -1245,7 +1245,7 @@ func (c thresholdCheckInspection) inspectForLeaderDrop(ctx context.Context, sctx
 	exec := sctx.(sqlexec.RestrictedSQLExecutor)
 
 	var rows []chunk.Row
-	stmt, err := exec.ParseWithParams(ctx, sql.String())
+	stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 	if err == nil {
 		rows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 	}
@@ -1259,7 +1259,7 @@ func (c thresholdCheckInspection) inspectForLeaderDrop(ctx context.Context, sctx
 		sql.Reset()
 		fmt.Fprintf(sql, `select time, value from metrics_schema.pd_scheduler_store_status %s and type='leader_count' and address = '%s' order by time`, condition, address)
 		var subRows []chunk.Row
-		stmt, err := exec.ParseWithParams(ctx, sql.String())
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql.String())
 		if err == nil {
 			subRows, _, err = exec.ExecRestrictedStmt(ctx, stmt)
 		}

executor/inspection_summary.go

@@ -460,7 +460,7 @@ func (e *inspectionSummaryRetriever) retrieve(ctx context.Context, sctx sessionc
 					util.MetricSchemaName.L, name, cond)
 			}
 			exec := sctx.(sqlexec.RestrictedSQLExecutor)
-			stmt, err := exec.ParseWithParams(ctx, sql)
+			stmt, err := exec.ParseWithParamsInternal(ctx, sql)
 			if err != nil {
 				return nil, errors.Errorf("execute '%s' failed: %v", sql, err)
 			}

executor/metrics_reader.go

@@ -233,7 +233,7 @@ func (e *MetricsSummaryRetriever) retrieve(ctx context.Context, sctx sessionctx.
 		}
 
 		exec := sctx.(sqlexec.RestrictedSQLExecutor)
-		stmt, err := exec.ParseWithParams(ctx, sql)
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql)
 		if err != nil {
 			return nil, errors.Errorf("execute '%s' failed: %v", sql, err)
 		}
@@ -318,7 +318,7 @@ func (e *MetricsSummaryByLabelRetriever) retrieve(ctx context.Context, sctx sess
 				util.MetricSchemaName.L, name, cond)
 		}
 		exec := sctx.(sqlexec.RestrictedSQLExecutor)
-		stmt, err := exec.ParseWithParams(ctx, sql)
+		stmt, err := exec.ParseWithParamsInternal(ctx, sql)
 		if err != nil {
 			return nil, errors.Errorf("execute '%s' failed: %v", sql, err)
 		}

executor/opt_rule_blacklist.go

@@ -37,7 +37,7 @@ func (e *ReloadOptRuleBlacklistExec) Next(ctx context.Context, _ *chunk.Chunk) e
 // LoadOptRuleBlacklist loads the latest data from table mysql.opt_rule_blacklist.
 func LoadOptRuleBlacklist(ctx sessionctx.Context) (err error) {
 	exec := ctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.TODO(), "select HIGH_PRIORITY name from mysql.opt_rule_blacklist")
+	stmt, err := exec.ParseWithParamsInternal(context.TODO(), "select HIGH_PRIORITY name from mysql.opt_rule_blacklist")
 	if err != nil {
 		return err
 	}

executor/reload_expr_pushdown_blacklist.go

@@ -39,7 +39,7 @@ func (e *ReloadExprPushdownBlacklistExec) Next(ctx context.Context, _ *chunk.Chu
 // LoadExprPushdownBlacklist loads the latest data from table mysql.expr_pushdown_blacklist.
 func LoadExprPushdownBlacklist(ctx sessionctx.Context) (err error) {
 	exec := ctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(context.TODO(), "select HIGH_PRIORITY name, store_type from mysql.expr_pushdown_blacklist")
+	stmt, err := exec.ParseWithParamsInternal(context.TODO(), "select HIGH_PRIORITY name, store_type from mysql.expr_pushdown_blacklist")
 	if err != nil {
 		return err
 	}

executor/show.go

@@ -342,7 +342,7 @@ func (e *ShowExec) fetchShowBind() error {
 func (e *ShowExec) fetchShowEngines(ctx context.Context) error {
 	exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
 
-	stmt, err := exec.ParseWithParams(ctx, `SELECT * FROM information_schema.engines`)
+	stmt, err := exec.ParseWithParamsInternal(ctx, `SELECT * FROM information_schema.engines`)
 	if err != nil {
 		return errors.Trace(err)
 	}
@@ -473,7 +473,7 @@ func (e *ShowExec) fetchShowTableStatus(ctx context.Context) error {
 
 	exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
 
-	stmt, err := exec.ParseWithParams(ctx, `SELECT
+	stmt, err := exec.ParseWithParamsInternal(ctx, `SELECT
 		table_name, engine, version, row_format, table_rows,
 		avg_row_length, data_length, max_data_length, index_length,
 		data_free, auto_increment, create_time, update_time, check_time,
@@ -1433,7 +1433,7 @@ func (e *ShowExec) fetchShowCreateUser(ctx context.Context) error {
 
 	exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
 
-	stmt, err := exec.ParseWithParams(ctx, `SELECT plugin FROM %n.%n WHERE User=%? AND Host=%?`, mysql.SystemDB, mysql.UserTable, userName, strings.ToLower(hostName))
+	stmt, err := exec.ParseWithParamsInternal(ctx, `SELECT plugin FROM %n.%n WHERE User=%? AND Host=%?`, mysql.SystemDB, mysql.UserTable, userName, strings.ToLower(hostName))
 	if err != nil {
 		return errors.Trace(err)
 	}
@@ -1453,7 +1453,7 @@ func (e *ShowExec) fetchShowCreateUser(ctx context.Context) error {
 		authplugin = rows[0].GetString(0)
 	}
 
-	stmt, err = exec.ParseWithParams(ctx, `SELECT Priv FROM %n.%n WHERE User=%? AND Host=%?`, mysql.SystemDB, mysql.GlobalPrivTable, userName, hostName)
+	stmt, err = exec.ParseWithParamsInternal(ctx, `SELECT Priv FROM %n.%n WHERE User=%? AND Host=%?`, mysql.SystemDB, mysql.GlobalPrivTable, userName, hostName)
 	if err != nil {
 		return errors.Trace(err)
 	}

executor/show_placement.go

@@ -107,7 +107,7 @@ func (b *showPlacementLabelsResultBuilder) sortMapKeys(m map[string]interface{})
 
 func (e *ShowExec) fetchShowPlacementLabels(ctx context.Context) error {
 	exec := e.ctx.(sqlexec.RestrictedSQLExecutor)
-	stmt, err := exec.ParseWithParams(ctx, "SELECT DISTINCT LABEL FROM %n.%n", "INFORMATION_SCHEMA", infoschema.TableTiKVStoreStatus)
+	stmt, err := exec.ParseWithParamsInternal(ctx, "SELECT DISTINCT LABEL FROM %n.%n", "INFORMATION_SCHEMA", infoschema.TableTiKVStoreStatus)
 	if err != nil {
 		return errors.Trace(err)
 	}