protected Dictionary <string, string> GetSchemaDic(string sql)
{
if (string.IsNullOrEmpty(sql))
{
return(null);
}
Dictionary <string, string> dic = null;
string key = "UVPCache_" + StaticTool.GetHashKey(sql + ConnName);
#region 缓存检测
if (!string.IsNullOrEmpty(AppConfig.DB.SchemaMapPath))
{
string fullPath = AppConfig.RunPath + AppConfig.DB.SchemaMapPath + key + ".json";
if (System.IO.File.Exists(fullPath))
{
string json = IOHelper.ReadAllText(fullPath);
dic = JsonHelper.ToEntity <Dictionary <string, string> >(json);
if (dic != null && dic.Count > 0)
{
return(dic);
}
}
}
#endregion
dic = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
IsRecordDebugInfo = false || AppDebug.IsContainSysSql;
DbDataReader sdr = ExeDataReader(sql, false);
IsRecordDebugInfo = true;
if (sdr != null)
{
string tableName = string.Empty;
while (sdr.Read())
{
tableName = Convert.ToString(sdr["TableName"]);
if (!dic.ContainsKey(tableName))
{
dic.Add(tableName, Convert.ToString(sdr["Description"]));
}
}
sdr.Close();
sdr = null;
}
#region 缓存设置
if (!string.IsNullOrEmpty(AppConfig.DB.SchemaMapPath) && dic != null && dic.Count > 0)
{
string folderPath = AppConfig.RunPath + AppConfig.DB.SchemaMapPath;
if (!System.IO.Directory.Exists(folderPath))
{
System.IO.Directory.CreateDirectory(folderPath);
}
string json = JsonHelper.ToJson(dic);
IOHelper.Write(folderPath + key + ".json", json);
}
#endregion
return(dic);
}
/// <summary>
/// 缓存表架构Key
/// </summary>
internal static string GetSchemaKey(string tableName, string dbName, DalType dalType)
{
string key = tableName;
int start = key.IndexOf('(');
int end = key.LastIndexOf(')');
if (start > -1 && end > -1)//自定义table
{
key = "View" + StaticTool.GetHashKey(key);
}
else
{
if (key.IndexOf('.') > 0)
{
dbName = key.Split('.')[0];
}
key = SqlFormat.NotKeyword(key);
}
return("ColumnsCache:" + dalType + "_" + dbName + "_" + key);
}
private static string GetKey(AopEnum action, AopInfo aopInfo, string baseKey)
{
StringBuilder sb = new StringBuilder();
sb.Append(baseKey);
switch (action)
{
case AopEnum.ExeNonQuery:
case AopEnum.Insert:
case AopEnum.Update:
case AopEnum.Delete:
return(sb.ToString());
}
#region Key1：DBType
sb.Append(".");
sb.Append(action);
if (aopInfo.DBParameters != null && aopInfo.DBParameters.Count > 0)
{
foreach (DbParameter item in aopInfo.DBParameters)
{
sb.Append(item.ParameterName);
sb.Append(item.Value);
}
}
if (aopInfo.CustomDbPara != null)
{
foreach (AopCustomDbPara item in aopInfo.CustomDbPara)
{
sb.Append(item.ParaName);
sb.Append(item.Value);
}
}
if (aopInfo.SelectColumns != null)
{
foreach (object item in aopInfo.SelectColumns)
{
sb.Append(item);
sb.Append(item);
}
}
#endregion
switch (action)
{
case AopEnum.ExeMDataTableList:
case AopEnum.ExeMDataTable:
case AopEnum.ExeScalar:
sb.Append(aopInfo.IsProc);
sb.Append(aopInfo.ProcName);
break;
case AopEnum.Exists:
case AopEnum.Fill:
case AopEnum.GetCount:
sb.Append(aopInfo.Where);
break;
case AopEnum.Select:
sb.Append(aopInfo.PageIndex);
sb.Append(aopInfo.PageSize);
sb.Append(aopInfo.Where);
break;
}
return(StaticTool.GetHashKey(sb.ToString()));
}
public string GetHashKey()
{
return(StaticTool.GetHashKey(ConnString.Replace(" ", "").ToLower()));
}
/// <summary>
/// 将原有的初始化改造成延时加载。
/// </summary>
private void SetDelayInit(Object entityInstance, string tableName, string conn, AopOp op)
{
conn = string.IsNullOrEmpty(conn) ? AppConfig.DB.DefaultConn : conn;
entity = entityInstance;
typeInfo = entity.GetType();
try
{
if (string.IsNullOrEmpty(tableName))
{
tableName = typeInfo.Name;
if (tableName.EndsWith(AppConfig.EntitySuffix))
{
tableName = tableName.Substring(0, tableName.Length - AppConfig.EntitySuffix.Length);
}
}
string key = tableName + StaticTool.GetHashKey(conn);
if (!CacheManage.LocalInstance.Contains(key))
{
DalType dal = DBTool.GetDalType(conn);
bool isTxtDal = dal == DalType.Txt || dal == DalType.Xml;
string errMsg = string.Empty;
Columns = DBTool.GetColumns(tableName, conn, out errMsg);//内部链接错误时抛异常。
if (Columns == null || Columns.Count == 0)
{
if (errMsg != string.Empty)
{
Error.Throw(errMsg);
}
Columns = TableSchema.GetColumns(typeInfo);
if (!DBTool.ExistsTable(tableName, conn))
{
if (!DBTool.CreateTable(tableName, Columns, conn))
{
Error.Throw("SimpleOrmBase ：Create Table Error:" + tableName);
}
}
}
else if (isTxtDal)//文本数据库
{
if (FieldSource != FieldSource.Data)
{
MDataColumn c2 = TableSchema.GetColumns(typeInfo);
if (FieldSource == FieldSource.BothOfAll)
{
Columns.AddRange(c2);
}
else
{
Columns = c2;
}
}
}
if (Columns != null && Columns.Count > 0)
{
CacheManage.LocalInstance.Set(key, Columns, 1440, null);
}
}
else
{
Columns = CacheManage.LocalInstance.Get(key) as MDataColumn;
}
_Action = new MAction(Columns.ToRow(tableName), conn);
if (typeInfo.Name == "SysLogs")
{
_Action.SetAopState(Aop.AopOp.CloseAll);
}
else
{
_Action.SetAopState(op);
}
_Action.EndTransation();
}
catch (Exception err)
{
if (typeInfo.Name != "SysLogs")
{
Log.WriteLogToTxt(err);
}
throw;
}
}
