SecureBridge: Prevent File Creation with TScSFTPServer
I am uploading files with a SFTP Client to a TScFTPServer, but I want to process the stream directly without creating a file alongside it. I tried overriding OnWriteFile, but then an empty file gets created, which I want to avoid. It seems like OnOpenFile
UniDac with Quickbooks QODBC - Enterprise
I am trying to use the QODBC driver to create a "simple" report for Positive Pay for the bank using Delphi, UniDac, and QODBC. I can connect to the QB DB, but opening the BillPaymentChecks table only returns ONE record. Presumably the top/first record.
Connecting to Oracle Autonomous instances with Unidac
Hello, We are using Unidac in Delphi 11 to connect to Oracle Autonomous instances in Direct mode but we can't get it to work. If we give "adb.region.oraclecloud.com" as the server and valid user/password credentials, we receive the following error: ora-03113
UniDac DBF Direct Connection - PACK Table
In the UniDac documentation, in the native DBF provider section a mention is made that PACK-ing of DBF tables (files) is supported. Searching the source code I came upon the TDBFDBase class which implements the PackTable method. I tried to use it by creating
UnpreparedExecute not set for migrations
Hello, I have ran into issue with dotConnect for PostgreSQL with EF Core. After adding a custom script to a migration, i get a Devart.Data.PostgreSql.PgSqlException with a message "cannot insert multiple commands into a prepared statement". I have the
Unidac - MSSQL - Linux
Hi everyone I am migrating a REST application (DMVC Framework) that uses Unidac to access a MS SQL Server 2022. When executing a query with data containing accented characters, all of them are replaced by "?". When compiled and executed on Windows, the
Salesforce ODBC - null-able columns marked as not null?
Your ODBC driver reports some columns as not null-able and then sends rows containing null values for them: Calendar.Name DuplicateRule.Language EntityDefinition.LastModifiedById FeedComment.HasEntityLinks FlowDefinitionView.LastModifiedDate Folder.Name
Ongoing problems with TIMESTAMP datatype
Hello, This problem with timestamps in the TZR format still exists in the latest version. https://forums.devart.com/viewtopic.php?t=36016 Similarly, I have had this request for years (the ability to configure time stamp format) https://forums.devart.com/viewtopic.php?f=5&t=44301&p=178343&hilit=tzr#p178343
SDAC Connection Pooling with TWebModule in Linux environment
We are trying to evaluate whether we can, and exactly how, we can use connection pooling with TWebModule in a Linux env (Apache specifically). We have essentially stripped all threading from our application as it does not seem to play well under Linux.
Assertion failure - Devart on Delphi 10.2 Tokyo
Hello, I am having trouble using Devart to connect to PostgreSQL. I am currently using Delphi 10.2 Tokyo and C++ Builder 10.2 Update 2. The error message is: Assertion failure (D:\Projects\Delphi\Dac\PostgreSql\Source\PgClasses.pas, line 4195). I would
Delphi TMSStoredProc parameter issues
Hello, we are replacing ADO with SDAC in our application. I cannot get one thing work.. myAdvStoredProcedure := TMSStoredProc.Create(nil); myAdvStoredProcedure.StoredProcName := 'GetCustomerTest'; myAdvStoredProcedure.Params.Clear; myAdvStoredProcedure.Params.CreateParam(ftInteger,
SQLite binaries for Linux
Hi, We are developing an application using .NET 8 and EF Core. When installing dotConnect there are sqlite3 binaries only for Windows. Do you also provide binaries for Linux? Cheers, Paul
UniDAC SQLite Float type issue on Windows ARM virtual maschine
Hello! I am working since years on a Mac (M1) with VM-Tool Parallels within a Windows ARM version. Recently I have a problem with updating any float values in the database. It's really strange. If I want to update 1 field with type "float", "double",
Unidac + Firebird: error if unicode is used in SQL query
With UniDac 9.4 (demo), Delphi 11 and Firebird 4 If I use some characters in a query I get a Dynamic SQL Error SQL error code = -206 Attached a "working" example! It's my fault or a bug? Thanks Nicola
Entity Framework Error
Hi, I am trying to update the schema through ORM, however I got the below error, it seems the connection is good, please advise. EF version: 6.1.3 VS version: 2022
dotConnect for Quickbooks: All of a sudden my App no longer connects and will not reconnect.
How do I reconnect my ADO.NET fir QB provider?
Devart license not found on new laptops
We have an issue where the following exception is thrown: "License not found. Please view "Licensing" topic in dotConnect for SQLite documentation for details or contact Devart technical support." and System.Data.Entity.Core.ProviderIncompatibleException:
New User: Following EntityiDAC PDF - Issues
I am trying to follow the demo in the EntityDAC pdf using a sql server. I am to this step: "Then select the EntityConnection component, specify the path to the database in the ConnectionString property and set other properties as follows:" I am populating
DotConnect for Postgresql with Entity Developer - How use ConnectionLost Event
Hi, I am using DotConnect for Postgresql with Entity Developer (edml Data Model) in an ASP.NET Framework, C# and Entity Framework 5.0 application; Sometimes the connection with the Postgresql database is lost, how can I use the ConnectionLost Event in
Salesforce ODBC + MSSQL linked server - select column metadata?
Via the CLI tool `isql` I was able to retrieve column metadata using the "HELP TableName" command / query, but trying to send the same query via MSSQL linked server only produces an error: SELECT * FROM OPENQUERY (SF_LINKED_SERVER_NAME, 'HELP Account')
Issue with DescribeParams on SQL Server 2022
Hi, we are migrating from SQL Server 2012 to SQL Server 2022 and have a problem with using property DescribeParams of TMSQuery component and calling Prepare. MSQuery1.Options.DescribeParams := True; MSQuery1.SQL.Clear; MSQuery1.SQL.Add('SELECT TOP 10
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Error: "Invalid parameter "
Hello. I'm using the SQL-Server dbExpress, version 9.3 with Delphi Athens. On my development computer the connection with the database is workink perfectly. However, when I tryed to execute the application in a different computer I get this error message
Connection to MongoDB gives me authentication error
Hi, (I could've sworn I asked this question but my post seems to have disappeared.) Please note I am using Delphi 10.3 (still on a Win8.1 system). On the MongoDB system, using mongoshell: use testdb db.createUser( { user: "testx", pwd: passwordPrompt(),
wrongly generated Oracle sql query EF core NET8
I am currently upgrading or application that is made in framework 4.8 to NET8 and i have some issues with the Entity framework part where the generated sql from the linq query is incorrect. The logic with boolean seems to be the problem, I am not sure
Add SQLite DB relative path to app.config
I have a versioned project shared across a small team and I'd like to avoid using absolute paths for my connection string. Instead I'd like to use either an environment variable or a relative path based on where the project is located. My question is
Using TUniQuery w/ MongoDB
Hi, Having taken a look at https://docs.devart.com/unidac/using-mongodb.htm#tuniconnection, I'm still struggling as the amount of information is somewhat limited (particularly the examples). I have the following code: procedure TForm1.Button1Click(Sender:
Support for Open Telemetry?
OPD.net supports Open Telemetry. Most other database providers now also support this. Does dotconnect also support open telemetry? If not, this would be a very important and good feature for the future. Regards Hansjörg
Can't create a new SSIS Connection Manager
The connection type "DevartSqlServer" specified for connection manager is not recognized as a valid connection manager type. This error is returned when an attempt is made to create a connection manager for an unknown connection type. Check the spelling
Devart.Data.Oracle v9.0.12.0 to v10.3.10.0: The same update doesn't always commit
Hello, I am creating this topic because we've been having issues ever since we deployed in Production a few weeks ago. One of the biggest change we brought was a change of versions of Devart from v9.0.12.0 to v10.3.10.0. However, I've rolled back to v9.0.12.0
Unknown error in OLEDBAccess
We use the latest version of SDAC The program written as a service With several threads in Windows. Sometimes this address is announced and closed accidentally while working Assertion failure (D:\ProjectsClone2\Delphi\Dac\SqlServer\Source\OLEDBAccess.pas,
Access Database "Direct" mode DDL statements not supported
Delphi 7 with UniDac 10.2.1. We are trying to create a view in an Access database using the TUniSQL component. We are using the new "Direct" mode (which is really wonderful, by the way, because it gets around the 32bit/64bit Access Database Driver problem).
Salesforce ODBC - How to work with *ChangeEvent tables?
Hi there! We've recently bought our Devart Salesforce ODBC license and set it up so we can query our Salesforce via Microsoft SQL LinkedServer. I've now seen that nearly every Object has an additional ObjectChangeEvent table and I was wondering how we
woocommerce - unauthorized
Hello, We've just installed the Woocommerce ODBC driver, configured it with domain name, customer key and customer secret, but we keep getting the following error message The remote server returned an error 401 : unauthorized The same credentials work
Unprepared Execute False by default > why statements are prepared by default
Why UnpreparedExecute is *False* by default. So you always prepare statements by default? If i understand the help correctly, this will call an additional "PREPARE". (https://www.postgresql.org/docs/current/sql-prepare.html) This is in most cases not
[bug] with real data type
hello, PgQuery.SQL.Text := 'SELECT 0::real'; PgQuery.Options.UnpreparedExecute := true; if not(PgConnection.Connected) then PgConnection.Connect; PgQuery.Open; It will crash at opening with an exception! and sometimes (in some queries using real data
AzureAD Interactive Authentication
Hi, I'm attempting to get AzureAD Interactive Authentication (auADInteractive) working with SDAC connecting to a SQL Azure database. At the moment it always asks for my password and then a two factor auth challenge. This happens every time I start the
Visual Studio 2022 error not loading Devart.Data.PostgreSql.Vs.dll (dotConnect for PostgreSQL 8.1 Express)
Hi, I cannot find this topic in FAQ. So I posted here. It will always appear when I start Visual Studio even when with empty project. Please advice if this error can be ignored. Regards Samuel Toh
Not for profit volunteer developer
I'm doing some volunteer database work and the NFP wants to connect the DevArt plugin from their shopify account to their Microsoft Access database. I have full rights to a sandbox store, but I'm getting an error message -7711 from Access when I try to
Is there a code sample on how to use multiple DbContext
Hi devart team I am developing an ASP.Net Core application using .Net 8.0 and DevArt.Data.Oracle 10.3.10 and DevArt.Data.Oracle.EFCore 10.3.10.8. I have two projects each has a DbContext. In the program.cs for both DbContext services.AddDbContext<DatabaseContext>(options
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