Unable to load extensions in version 4.3.1 on Delphi 7
Hi, Setting the option EnableLoadExtension in AfterConnect has no effect. Debugging the driver shows that TSQLiteConnection.Connect is called before TSQLiteConnection.SetProp. Hence, the call to sqlite3_enable_load_extension made from TSQLiteConnection.Connect
Swapping Connectionstring between Prod and Development
Hello, Using latest SDAC and Delphi 11.3: Today I forgot to change the connection string in an application I sent to a customer. That made me think if there would not be a better, and simpler, method than to replace the connection string and recompile
Asp.net project Getting Devart error during build pipeline (Azure Devops) - License compilation file - Unable to resolve type 'Devart.Data.Oracle.OracleConnection,
Asp.net VB Project. It has Class library project & Asp.net website project in solution. Builds in dev machine. During Azure Devops build pipeline, getting below Unable to Resolve Type error during license file compilation. Please help on resolving this
Connecting Delphi client to .NET FireDAC alike server ?
I am aiming to replace Delphi FireDAC based server with .NET C# ASP.NET server which to keep providing the FireDAC requests to the Delphi clients. Is there such a thing ?
Cannot connect to SQLServer in os authentication mode
Hello! Delphi 11.3 Pro. This is my connection configuration: object UniConnection1: TUniConnection ProviderName = 'SQL Server' Port = 1433 SpecificOptions.Strings = ( 'SQL Server.Authentication=auWindows') Server = 'DESKTOP-4J9A9E5' LoginPrompt = False
Postgres
Estoy trabajando con el componente tunisql con una base de datos postgres, el problema es cómo recupero el id usando esta declaración: ON CONFLICT DO NOTHING, devolviendo id
TUniLoader - Oracle 19c: Direct path loading is not supported in Direct mode
Hello, we are currently using version 8.4.4 of the "Universal Data Access Components" for Delphi 10.4. For copying data we use the component TUniLoader, which has worked without any problems so far. We now want to copy data from one Oracle 19c instance
EORAERROR - ODAC DB Exception
We would like to handle exceptions according to the error number of the EORAERROR class. I would like to know the defined error number and message-related meaning. The following is an example of handling major exceptions when an error occurs when executing
UniDac Disconnected Mode Bug
I am using Delphi 11.3CE and UniDac 9.4.0 trial version, the problem is like this, I create two connections, one connection to SQL SERVER, one connection to Oracle (Disconnected are assigned to True), create two Query and set up the corresponding connection,
Upgrading SSIS Data flow for Salesforce Issue with License
Hello, We are using the SSIS data flow component 1.7.x for salesforce. It has been working for years. Now we have migrated servers (SQL2014=>SQL2019) and when deploying the SSIS Package and scheduling it to run using SQL Server agent we get "Cannot find
Change notification is not supported in Direct mode
Hi I would like to use change notification but i looks that this feature cannot use in Direct mode. Is there a workaround using change notification in Direct mode because our clients have no Orcale client installed. br, Robert
MS SQL Date and Time fields seen as TWideString fields by Delphi
Hi All, I know this is not a SDAC created problem, but nevertheless, it is a problem for me, using SDAC and MS SQL tables with Date and Time fields. It's with Delphi 11.3 on Win 10 and 11. The problem is that Delphi see MS SQL Date and Time fields as
xmlserialize problems in direct mode
For demo, PLS create table CREATE TABLE XML_TEST ( ID NUMBER (9,0) NOT NULL, XML_COL XMLTYPE ) / ALTER TABLE XML_TEST ADD ( CONSTRAINT XML_TEST_PK PRIMARY KEY ( ID ) / You don't need any data to reproduce. Create a new 64-bit application and add TOraSession,
Trail Period has expire, but I updated the license key and Still Fails
Trail Period has expire, but I updated the license key and Still Fails. TITLE: Microsoft SQL Server Management Studio ------------------------------ The test connection to the linked server failed. ------------------------------ ADDITIONAL INFORMATION:
ODBC DRIVER FOR XBASE ERROR
HELLO IM TRIYING TO CONNECT TO THE DE .DBF FILES OF MY ERP. BUT IM GETTING THE FOLLOWING ERROR IN POWER BI: DataSource.Error: ODBC: ERROR [HY000] [Devart][ODBC][xBase]table CLIENTEAC already exists Detalles: DataSourceKind=Odbc DataSourcePath=dsn=TRY
Bug UniScript
Attached is a demo project the event cannot continue even using procedure TForm.UniScript1Error(Sender: TObject; E: Exception; SQL: string; var Action: TErrorAction); begin Action := eaContinue; end; This Script can be executed by IBExpert by creating
internalcalc Necessary facilities
I'm using "unidac" comps for "delphi" with "tclientdataset" I want to use "unidac" comps without "tclientdataset" before I was use it with "tclientdataset" and use internalcalc field as in-mem field I was change it whenever i want "Devart" add internalcalc
Assertion failure
Welcome, I am using delphi 10.4 Update 2. with UNIDAC 9.4.0. The component is used in a multi-threaded service. Due to load balancing, this service is running on multiple machines. On one of the application servers (only one), the following error message
ODAC Oracle RAC SCAN direct mode support.
Hello, I was curious of Oracle SCAN name is supported with ODAC and using direct mode. We have an application we are trying to connect to an Oracle cluster using SCAN and it works fine with the Oracle client but not using the SCAN name with direct mode.
Event when a connection is taken or put back into the pool
Hi, Is there an event when a connection is made or reset in the pool ? Thank you
Query - ParamByName
Hello. RAD 11.3 / Unidac 9.4.0 / Windows 10 Pro version 22H2 I have problem with ParamByName in Query component. Field in Table is defined as CHAR(1) SQL: Select * from <table> where <field> LIKE '%A%' If the code is Q.SQL.Add('SELECT * from <table> where
Connecting Postgresql with certificate
Hello We need to connect to the Postgresql database with a digital certificate, how do we do it?
UniDac ilink32 warning
Hello. RAD 10.4.2 / Unidac 9.4.0 / Windows 10 Pro version 22H2 I am getting the warning below: [ilink32 Warning] Warning: Duplicate string: ID 102; File C:\PROGRAM FILES (X86)\DEVART\UNIDAC FOR RAD STUDIO 10.4\LIB\WIN32\DBACCESS.RES string kept: "Password";
Parameter.AsString for an integer field results in a "record not found" error
Hi, With Delphi 5 + V6.11.23 of SDAC components + request : select * from TABLE where KEYFIELD = :Key + ParamByName('Key').AsString := '123' with Key integer field evrything works fine with SQL Server 2016 with SQL Server 2008 (or 2012, not sure), error
Closing UniDac VERY slow
I have been using UniDac for years, currently in Delphi XE10.3.2 with Firebird 3 and for one particular UniDac query I have come up with a (to me) strange problem. It is taking about 8 seconds to close. The query is fairly simple (basically just a SELECT
type mismatch for field ‘xxx’ expecting string actual widestring
Hi all, I'm using SDAC 10.3 on Delphi 11.3: I got the above mentioned type mismatch, as I had created my SQL tables with NVarChar, and had persistent fields in my MSTables on the form. I found a description for the problem and a solution on this forum,
How and where do I set UseUnicode in sdac 10.3
Hi All, I have asked this question in a previous topic, but with another angle and more complex description. The simple question is: How and where do I set UseUnicode to False. I'm using SDAC 10.3 in Delphi 11.3 Regards Soren
Automatic choice of provider
Hello, We're wondering about the algorithm that chooses the provider to use to connect to a SQL Server instance when the Provider property is set to prAuto. According to the documentation (and the UniDac's source code), the Native Client is prefered over
NTDLL.DLL error when calling mstable.open, from an inherited form
Hi All, Using SDAC 10.3 and Delphi 11.3: I have a form, with 2 MsTable, which it has inherited from a standard form. On the standard, the Connection is pointing to a DB module with the MSConnection, but no tablename. In the inherited form, I set the tablename
Error during Installation of TCRSSLIOHandler for macOs
Hi, Delphi 11.2 / Windows 11 64bit I installed MyDac 11.3.0 and SecureBridge 10.3.1 with success for macOS and Win32 platforms. I'm trying to install the TCRSSH[L]IOHandler from ...\Documents\Devart\MyDAC for RAD Studio 11\Demos\TechnologySpecific\SecureBridge.
UniDAC object was open
I am migrating a project from Delphi XE with UniDAC 4.5.10 to Delphi Alexandria with UniDAC 9.2.1 and I am getting a few errors on Query.Open. These are the errors and I don’t have them in the old project. 1. illegal constraint expression 2. object was
How to Renew my dotconnect Oracle
How do I renew my licenses key of oracle dotconnect because I am facing the following error. Error : LicenseException: Feature is not supported. This error is thrown by Devart .NET Standard assemblies if license key validation fails. Possible reasons:
Missing Methods in Toolbox
Hello, I'm having an error when trying to access the ZohoConnection with the dotConnect, it hits me with a missing method error and im a little lost on where to go from there.
Export DataSet To JSON
Tell me, is it possible to export the dataset to JSON format? If not, is there a plan to do so?
ODBC for DBASE
hi, i dont see an option to imply a decryption key, dbf databases are encrypted, is here a function to be able to access them ? Thanks a lot.
Heterogeneous queries
Hello, Does it exists a way to do Heterogeneous queries, off course on Firebird Dabases + TMemDataSet (= really powerful), like it is possible to do it with Firedac ? https://docwiki.embarcadero.com/RADStudio/Rio/en/Local_SQL_(FireDAC)
Lots of issues updating to version 6.1.134 of dotConnect SQLite Free in the Visual Studio 2022 community.
When upgrading to version 6.1.134 of dotConnect SQLite Free the Visual Studio 2022 community app stops working. Is it possible to roll back dotConnect version 6.0 for Microsoft Visual Studio 2022?
Error when writing to database
Driver does not support this function State:IM001, Native:0.Origin: [Microsoft][ODBC Driver Manager] even though we purchased and applied the license, when we attempt to use it to write to our database it connects perfectly but we keep getting this error
Virtual table transfer to another
Hello, When I use the code below to transfer a table to another table, all fields with non-English names appear as question marks. What should I do to keep the field names as they are? Var MM : TMemoryStream; T1,T2 : TVirtualTable; Begin MM := TMemoryStream.Create;
DotConnect for Oracle express edition version 9.14 cause serious memory leak!
I have this code to open Oracle connection: private OracleConnection _OpenDBConn() { bool successed = false; OracleConnection conn = new OracleConnection(ConnectString) { AutoCommit = false }; try { conn.Open(); successed = true; return conn; } finally
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