// updateDBInfo clones a new DBInfo from old DBInfo, and update on the new one.
func (b *Builder) updateDBInfo(roDBInfo *model.DBInfo, oldTableID, newTableID int64) {
newDbInfo := new(model.DBInfo)
*newDbInfo = *roDBInfo
newDbInfo.Tables = make([]*model.TableInfo, 0, len(roDBInfo.Tables))
if newTableID != 0 {
// All types except DropTable.
newTblInfo := b.is.tables[newTableID].Meta()
newDbInfo.Tables = append(newDbInfo.Tables, newTblInfo)
}
for _, tblInfo := range roDBInfo.Tables {
if tblInfo.ID != oldTableID && tblInfo.ID != newTableID {
newDbInfo.Tables = append(newDbInfo.Tables, tblInfo)
}
}
b.is.schemas[newDbInfo.ID] = newDbInfo
}
