public List <SimpDataEntery> GetBaseTable(string tableName, object editTime, object schemaMD5, object contentsMD5)
{
RefreshBaseTable(tableName);
bool isContentsMD5Equals; //用来记录 判断客户端数据与服务端是否相同
DataTable _dt = GetBaseTableByCacheDataSets(tableName, editTime, schemaMD5, contentsMD5, out isContentsMD5Equals); //获取更新记录集
string _clientDelKeys = GetDeleteKeysString(tableName, editTime); //获取被删除记录 主键字符串
bool _hasNew = (_dt != null && _dt.Rows.Count > 0);
bool _hasDelete = !_clientDelKeys.Equals(string.Empty);
if (!_hasNew && //不存在需要更新数据
!_hasDelete &&
isContentsMD5Equals) //用来判断客户端数据与服务端是否相同 (客户端数据不准确情况下会出现 _hasNew=true _hasDelete=true的情况)
{
return(null);
}
List <SimpDataEntery> _lisSimp = new List <SimpDataEntery>();
SimpDataEntery _schemaEty, _deleteEty, _contentEty;
_schemaEty = _deleteEty = _contentEty = null;
if (_hasDelete)
{
_deleteEty = new SimpDataEntery()
{
Cols = new SimpDataColInf[] { new SimpDataColInf()
{
name = DELETE_IDS_COLNAME, type = DotNetType.String
} },
Rows = new List <object[]>()
{
new object[] { _clientDelKeys }
},
TVal = System.DateTime.Now.Ticks
};
}
_schemaEty = TableChgLog.GetBaseTableChangInfo(tableName);//不管有没有必须近观回。需要返回MD5等信息
if (_hasNew)
{
_contentEty = SimpDataConvertHelper.DataTableToSimpDataEntery(_dt);
}
_lisSimp.Add(_schemaEty);
_lisSimp.Add(_deleteEty);
_lisSimp.Add(_contentEty);
return(_lisSimp);
}
