/// <summary>
/// 获取数据库连接信息
/// </summary>
/// <returns>数据库连接信息</returns>
public unsafe Sql.Connection Get()
{
ProviderAttribute provider = EnumAttribute <Provider, ProviderAttribute> .Array((byte)Provider);
byte *buffer = AutoCSer.UnmanagedPool.Default.Get();
try
{
using (CharStream connectionStream = new CharStream((char *)buffer, AutoCSer.UnmanagedPool.DefaultSize >> 1))
{
connectionStream.SimpleWriteNotNull("Provider=");
connectionStream.Write(provider.Name);
connectionStream.SimpleWriteNotNull(";Data Source=");
connectionStream.Write(DataSource);
if (Password != null)
{
connectionStream.WriteNotNull(";Database Password="******";Extended Properties='");
connectionStream.Write(provider.Excel);
connectionStream.WriteNotNull(IsTitleColumn ? ";HDR=YES;IMEX=" : ";HDR=NO;IMEX=");
AutoCSer.Extension.Number.ToString((byte)Intermixed, connectionStream);
connectionStream.Write('\'');
return(new Sql.Connection {
Type = ClientType.Excel, ConnectionString = connectionStream.ToString()
});
}
}
finally { AutoCSer.UnmanagedPool.Default.Push(buffer); }
}
/// <summary>
/// 获取数据库连接信息
/// </summary>
/// <param name="isPool">是否启用数据库连接池</param>
/// <returns>数据库连接信息</returns>
public unsafe Sql.Connection Get(bool isPool = false)
{
ProviderAttribute provider = EnumAttribute <Provider, ProviderAttribute> .Array((byte)Provider);
AutoCSer.Memory.Pointer buffer = UnmanagedPool.Default.GetPointer();
try
{
using (CharStream connectionStream = new CharStream(ref buffer))
{
connectionStream.SimpleWrite("Provider=");
connectionStream.Write(provider.Name);
connectionStream.SimpleWrite(";Data Source=");
connectionStream.Write(DataSource);
if (Password != null)
{
connectionStream.Write(";Database Password="******";Extended Properties='");
connectionStream.Write(provider.Excel);
connectionStream.Write(IsTitleColumn ? ";HDR=YES;IMEX=" : ";HDR=NO;IMEX=");
AutoCSer.Extensions.NumberExtension.ToString((byte)Intermixed, connectionStream);
connectionStream.Write('\'');
return(new Sql.Connection {
Type = ClientKind.Excel, ConnectionString = connectionStream.ToString(), IsPool = isPool
});
}
}
finally { UnmanagedPool.Default.Push(ref buffer); }
}
