private static bool FillSchemaFromDb(ref MDataRow row, ref DbBase dbBase, string tableName, string sourceTableName)
{
try
{
MDataColumn mdcs = null;
//if (tableName.IndexOf('(') > -1 && tableName.IndexOf(')') > -1)//自定义视图table
//{
// dbBase.tempSql = "view";//使用access方式加载列
//}
mdcs = GetColumns(tableName, ref dbBase);
if (mdcs.Count == 0)
{
return(false);
}
row = mdcs.ToRow(sourceTableName);
row.TableName = sourceTableName;
string key = GetSchemaKey(tableName, dbBase.DataBase, dbBase.dalType);
CacheManage.LocalInstance.Add(key, mdcs.Clone(), null, 1440);
switch (dbBase.dalType)//文本数据库不保存。
{
case DalType.Access:
case DalType.SQLite:
case DalType.MsSql:
case DalType.MySql:
case DalType.Oracle:
if (!string.IsNullOrEmpty(AppConfig.DB.SchemaMapPath))
{
string folderPath = AppDomain.CurrentDomain.BaseDirectory + AppConfig.DB.SchemaMapPath;
if (System.IO.Directory.Exists(folderPath))
{
mdcs.WriteSchema(folderPath + key + ".ts");
}
}
break;
}
return(true);
}
catch (Exception err)
{
Log.WriteLogToTxt(err);
return(false);
}
}
/// <summary>
/// 为指定的表架构生成SQL(Create Table)语句
/// </summary>
public static bool CreateTable(string tableName, MDataColumn columns, string conn)
{
if (string.IsNullOrEmpty(tableName) || tableName.Contains("(") && tableName.Contains(")"))
{
return(false);
}
bool result = false;
DalType dalType = GetDalType(conn);
string dataBase = string.Empty;
switch (dalType)
{
case DalType.Txt:
case DalType.Xml:
// string a, b, c;
conn = AppConfig.GetConn(conn); // CYQ.Data.DAL.DalCreate.GetConnString(conn, out a, out b, out c);
if (conn.ToLower().Contains(";ts=0")) //不写入表架构。
{
return(true);
}
else
{
tableName = Path.GetFileNameWithoutExtension(tableName);
string fileName = NoSqlConnection.GetFilePath(conn) + tableName + ".ts";
result = columns.WriteSchema(fileName);
dataBase = new NoSqlConnection(conn).Database;
}
break;
default:
using (MProc proc = new MProc(null, conn))
{
dataBase = proc.DataBase;
try
{
proc.dalHelper.IsAllowRecordSql = false;
proc.SetAopState(Aop.AopOp.CloseAll);
proc.ResetProc(GetCreateTableSql(tableName, columns, proc.DalType, proc.DalVersion)); //.Replace("\n", string.Empty)
result = proc.ExeNonQuery() > -2;
//获取扩展说明
string descriptionSql = GetCreateTableDescriptionSql(tableName, columns, proc.DalType).Replace("\r\n", " ").Trim(' ', ';');
if (!string.IsNullOrEmpty(descriptionSql))
{
if (proc.DalType == DalType.Oracle)
{
foreach (string sql in descriptionSql.Split(';'))
{
proc.ResetProc(sql);
if (proc.ExeNonQuery() == -2)
{
break;
}
}
}
else
{
proc.ResetProc(descriptionSql);
proc.ExeNonQuery();
}
}
}
catch (Exception err)
{
Log.WriteLogToTxt(err);
}
}
break;
}
if (result)
{
//处理表缓存
string key = TableSchema.GetTableCacheKey(dalType, dataBase, conn);
if (TableSchema.tableCache.ContainsKey(key))
{
Dictionary <string, string> tableDic = TableSchema.tableCache[key];
if (!tableDic.ContainsKey(tableName))
{
tableDic.Add(tableName, "");
}
}
}
return(result);
}
/// <summary>
/// 为指定的表架构生成SQL(Create Table)语句
/// </summary>
public static bool CreateTable(string tableName, MDataColumn columns, string conn)
{
if (string.IsNullOrEmpty(tableName) || tableName.Contains("(") && tableName.Contains(")"))
{
return(false);
}
bool result = false;
DataBaseType dalType = GetDataBaseType(conn);
string dataBase = string.Empty;
switch (dalType)
{
case DataBaseType.Txt:
case DataBaseType.Xml:
// string a, b, c;
conn = AppConfig.GetConn(conn); // CYQ.Data.DAL.DalCreate.GetConnString(conn, out a, out b, out c);
if (conn.ToLower().Contains(";ts=0")) //不写入表架构。
{
//增加缓存
result = true;
}
else
{
tableName = Path.GetFileNameWithoutExtension(tableName);
string fileName = NoSqlConnection.GetFilePath(conn) + tableName + ".ts";
result = columns.WriteSchema(fileName);
dataBase = GetDBInfo(conn).DataBaseName;
}
break;
default:
#region MyRegion
using (MProc proc = new MProc(null, conn))
{
dataBase = proc.DataBaseName;
try
{
proc.dalHelper.IsRecordDebugInfo = false;
proc.SetAopState(Aop.AopOp.CloseAll);
proc.ResetProc(GetCreateTableSql(tableName, columns, proc.DataBaseType, proc.DataBaseVersion)); //.Replace("\n", string.Empty)
result = proc.ExeNonQuery() > -2;
if (result)
{
//获取扩展说明
string descriptionSql = GetCreateTableDescriptionSql(tableName, columns, proc.DataBaseType).Replace("\r\n", " ").Trim(' ', ';');
if (!string.IsNullOrEmpty(descriptionSql))
{
if (proc.DataBaseType == DataBaseType.Oracle)
{
foreach (string sql in descriptionSql.Split(';'))
{
proc.ResetProc(sql);
if (proc.ExeNonQuery() == -2)
{
break;
}
}
}
else
{
proc.ResetProc(descriptionSql);
proc.ExeNonQuery();
}
}
}
}
catch (Exception err)
{
Log.Write(err, LogType.DataBase);
}
finally
{
if (proc.RecordsAffected == -2)
{
_ErrorMsg.AppendLine("CreateTable:" + proc.DebugInfo);
}
}
}
#endregion
break;
}
if (result)
{
CrossDB.Add(tableName, "U", conn);//修改缓存。
}
return(result);
}
/// <summary>
/// 为指定的表架构生成SQL(Create Table)语句
/// </summary>
public static bool CreateTable(string tableName, MDataColumn columns, string conn)
{
if (string.IsNullOrEmpty(tableName) || tableName.Contains("(") && tableName.Contains(")"))
{
return false;
}
bool result = false;
switch (GetDalType(conn))
{
case DalType.Txt:
case DalType.Xml:
// string a, b, c;
conn = AppConfig.GetConn(conn);// CYQ.Data.DAL.DalCreate.GetConnString(conn, out a, out b, out c);
if (conn.ToLower().Contains(";ts=0"))//不写入表架构。
{
return true;
}
else
{
tableName = Path.GetFileNameWithoutExtension(tableName);
string fileName = NoSqlConnection.GetFilePath(conn) + tableName + ".ts";
result = columns.WriteSchema(fileName);
}
break;
default:
using (MProc proc = new MProc(null, conn))
{
try
{
proc.dalHelper.IsAllowRecordSql = false;
proc.SetAopOff();
proc.ResetProc(GetCreateTableSql(tableName, columns, proc.DalType, proc.DalVersion));//.Replace("\n", string.Empty)
result = proc.ExeNonQuery() > -2;
//获取扩展说明
string descriptionSql = GetCreateTableDescriptionSql(tableName, columns, proc.DalType).Replace("\r\n", string.Empty).Trim(' ', ';');
if (!string.IsNullOrEmpty(descriptionSql))
{
if (proc.DalType == DalType.Oracle)
{
foreach (string sql in descriptionSql.Split(';'))
{
proc.ResetProc(sql);
if (proc.ExeNonQuery() == -2)
{
break;
}
}
}
else
{
proc.ResetProc(descriptionSql);
proc.ExeNonQuery();
}
}
}
catch (Exception err)
{
Log.WriteLogToTxt(err);
}
}
break;
}
return result;
}
