public void UpdateTag(Tag newTag)
{
var previous = _tags.Single(x => x.Id == newTag.Id);
if (previous != null)
{
_tags.Remove(previous);
_tags.Add(newTag);
}
}
private List <(string tableName, string conString, DatabaseType dbType)> GetTargetTables
(string absTableName, ReadWriteType opType, string absDbName, object obj = null)
{
//获取抽象数据库
AbstractDatabase db = null;
if (absDbName.IsNullOrEmpty())
{
db = _absDb.Single();
}
else
{
db = _absDb.Where(x => x.AbsDbName == absDbName).Single();
}
if (db == null)
{
throw new Exception("请配置抽象数据库");
}
//获取抽象数据表
var absTable = db.Tables.Where(x => x.AbsTableName == absDbName).Single();
//获取物理表
List <(string physicTableName, string dataSourceName)> physicTables = null;
//读操作获取全部表
if (opType == ReadWriteType.Read)
{
physicTables = absTable.PhysicTables;
}
else
{
//找特定表
if (!obj.IsNullOrEmpty())
{
var theTable = absTable.FindTable(obj);
physicTables = absTable.PhysicTables.Where(x => x.physicTableName == theTable).ToList();
}
//所有表
else
{
physicTables = absTable.PhysicTables;
}
}
//获取数据源
var dataSources = _dataSource
.Where(x => physicTables.Select(y => y.dataSourceName).Contains(x.DataSourceName))
.Select(x => new { x.DataSourceName, x.DbType, RandomHelper.Next(x.Dbs.Where(y => y.opType.HasFlag(opType)).ToList()).conString })
.ToList();
var q = from a in physicTables
join b in dataSources on a.dataSourceName equals b.DataSourceName
select(a.physicTableName, b.conString, b.DbType);
var resList = q.ToList();
return(resList);
}