/// <summary>
/// 获取SQl脚本
/// </summary>
/// <param name="row"></param>
/// <param name="keys"></param>
/// <returns></returns>
public static string GetSQLScript(MDataRow row, params string[] keys)
{
DalType dalType = CrossDb.GetDalType(row.TableName);
string tableName = DBTool.Keyword(row.TableName, dalType);
string where = string.Empty;
StringBuilder sb = new StringBuilder();
//sb.AppendFormat("if not EXISTS (select 1 from {0} where ", tableName);
//foreach (string key in keys)
//{
// if (where != string.Empty)
// {
// where += " and ";
// }
// where +=DBTool.Keyword(key,dalType)+"='" + row[key].ToString() + "'";
//}
//sb.Append(where);
//sb.AppendLine(")\r\nbegin");//Insert
sb.AppendFormat("insert into {0}(", tableName);//Insert
string columns = string.Empty;
foreach (var ct in row.Columns)
{
columns += DBTool.Keyword(ct.ColumnName, dalType) + ",";
}
sb.Append(columns.TrimEnd(',') + ") \r\n values(");
columns = string.Empty;
foreach (var ct in row.Columns)
{
if (row[ct.ColumnName].IsNull)
{
columns += "null,";
}
else
{
columns += "'" + row[ct.ColumnName].ToString() + "',";
}
}
sb.Append(columns.TrimEnd(',') + ")\r\n");
//sb.AppendLine("end");
//sb.AppendLine("else");
//sb.AppendLine("begin");//Update
//sb.AppendFormat("update {0} set ", tableName);//Insert
//columns = string.Empty;
//List<string> items = new List<string>();
//items.AddRange(keys);
//foreach (var ct in row.Columns)
//{
// if (items.Contains(ct.ColumnName))
// {
// continue;
// }
// if (row[ct.ColumnName].IsNull)
// {
// columns += DBTool.Keyword(ct.ColumnName,dalType)+ "=null,";
// }
// else
// {
// columns += DBTool.Keyword(ct.ColumnName,dalType) + "='" + row[ct.ColumnName].ToString() + "',";
// }
//}
//sb.AppendFormat(columns.TrimEnd(',') + " where {0}\r\n", where);
//sb.AppendLine("end \r\n");
return(sb.ToString());
}
/// <summary>
/// 数据结构行刷新
/// </summary>
/// <param name="objName"></param>
/// <param name="objCode"></param>
/// <param name="dt">原有数据</param>
/// <returns></returns>
public static bool Flesh(string objName, string objCode, MDataTable dt, out string msg)
{
bool result = false;
msg = LangConst.NoNewColumn;
MDataTable newDt = dt.GetSchema(false);
//移除表结构缓存
string tableKey = CacheManage.GetKey(CacheKeyType.Schema, objName, CrossDb.GetDBName(objName), CrossDb.GetDalType(objName));
CacheManage.LocalInstance.Remove(tableKey);
FillTable(objName, objCode, newDt);//重新获取。
MDataTable addTable = dt.GetSchema(false);
// bool needUpdate = false;
foreach (MDataRow row in newDt.Rows)
{
MDataRow mr = dt.FindRow(string.Format("Field='{0}'", row.Get <string>("Field")));
if (mr == null)//找不到，则添加行
{
row.Set(Config_Grid.OrderNum, 255);
row.Set(Config_Grid.Hidden, true);
row.Set(Config_Grid.GridID, Guid.NewGuid());
addTable.Rows.Add(row);
}
}
if (addTable.Rows.Count > 0)
{
result = addTable.AcceptChanges(AcceptOp.InsertWithID);
if (!result)
{
msg = Convert.ToString((Exception)addTable.DynamicData);
}
}
return(result);
}
