fix get role name of sys tables (#17103)

fix get role name of mo_catalog.database/tables/columns in `show table status`

Approved by: @daviszhen, @qingxinhome

pkg/frontend/mysql_cmd_executor.go

@@ -34,6 +34,7 @@ import (
 	"github.com/confluentinc/confluent-kafka-go/v2/kafka"
 	"github.com/fagongzi/goetty/v2"
 	"github.com/google/uuid"
+	"github.com/matrixorigin/matrixone/pkg/catalog"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 
@@ -406,8 +407,12 @@ func handleShowTableStatus(ses *Session, execCtx *ExecCtx, stmt *tree.ShowTableS
 		}
 		roleId := row[17].(uint32)
 		// role name
-		if row[18], err = getRoleName(roleId); err != nil {
-			return err
+		if tableName == catalog.MO_DATABASE || tableName == catalog.MO_TABLES || tableName == catalog.MO_COLUMNS {
+			row[18] = moAdminRoleName
+		} else {
+			if row[18], err = getRoleName(roleId); err != nil {
+				return err
+			}
 		}
 		mrs.AddRow(row)
 	}