FIREDAC接続プール構成
1882 ワード
以下delphi XE 7でテストする
fdphysrcldrvrlnk1: TFDPhysOracleDriverLink;
fdgxwtcrsr1: TFDGUIxWaitCursor;
fdphysmysqldrvrlnk1: TFDPhysMySQLDriverLink;
var
adm:TFDManager;
oParams: TStrings;
begin
adm:=TFDManager.Create(nil);
oParams := TStringList.Create;
try
oParams.Add('Database=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=ip)(PORT=1521))(CONNECT_DATA=(SERVER=dedicated)(SERVICE_NAME=sid)))');
oParams.Add('User_Name=dbuser');
oParams.Add('Password=dbpwd');
oParams.Add('Pooled=True');
oParams.Add('CleanupTimeout=0');
oParams.Add('ExpireTimeout=0');
oParams.Add('PoolMaximumItems=20');
adm.AddConnectionDef('Oracle_Pooled', 'Ora', oParams);
oParams.Clear;
oParams.Add('Server=ip');
oParams.Add('Port=port');
oParams.Add('Database=dbname');
oParams.Add('CharacterSet=utf8');
oParams.Add('User_Name=dbuser');
oParams.Add('Password=dbpwd');
oParams.Add('Pooled=True');
oParams.Add('PoolMaximumItems=10');
adm.AddConnectionDef('Mysql_Pooled', 'Mysql', oParams);
finally
oParams.Free;
end;
end;
procedure TConnectThread.Execute;
var
oConn: TFDConnection;
oQuery: TFDQuery;
i: Integer;
begin
oConn := TFDConnection.Create(nil);
oQuery := TFDQuery.Create(nil);
try
oQuery.Connection := oConn;
oConn.ConnectionDefName := 'Oracle_Pooled';
for i := 1 to 5 do begin
oQuery.SQL.Text := 'select count(1) from table';
oQuery.Open;
oConn.Close;
Synchronize(FForm.Executed);
end;
finally
oConn.Free;
oQuery.Free;
end;
end;