Integer[] value cannot be inserted into a PostgreSql database with LinqConnect
Hello, We have a column with datatype integer[] in one of our database tables. Using repository pattern, when we run this code: OurTableEntity entity = new OurTableEntity(); entity.OurColumn = "{-1,-1,-1,-1,-1}"; ourTableRepository.Add(entity); unitOfWork.Save();
ODBC PostgreSQL: Data Source Error "Object not found"
Hi Community We use the DevArt ODBC PostgreSQL Connection on a daily base in order to connect Microsoft Excel directly to our Postgre-DB. All has been working fine until a few days ago. If I try to use an existing connection or create a new one, regardless
MsSQL New transaction is not allowed because there are other threads running in the session
Dears, we are trying to move large project from Delphi 11.2 ADO to Delphi 11.3 UniDAC. We use Firebird and MsSQL. We use main DbConnection and separate DbConnections for specific actions. We open forms with main DbConnection and we often use SpecificOptions.Values[FETCH_ALL]
DevArt SSIS Components for Salesforce - Support of Later Salesforce API Versions
Hi, It looks like the latest supported version of the Salesforce API is version 52. Is there a way to get the DevArt SSIS Components for Salesforce to connect using a more recent/higher API version number, as I need my SSIS package to have access to some
ORA-01745: invalid host/bind variable name when parameters are reused in the linq query version 10.0.1.134.7 & EF7
Using 10.0.1.134.7 & EF7 When in .net the same variable is used more than once in a linq query, the bind variable in the query is rendered the second with 2 time ':' thus ::p__query_varname eg. excerpt: qry = qry.Where(z => z.DidoDocDosVersies.Where(y
dotConnect for Oracle and Entity Framework guide
Hello, I would like you to guide me about dotConnect for Oracle and Entity Framework configurations for the project I described with the following keywords. This help can be a sample project already exists, a post explaining the configuration, or a help
How to get the MySQL table structure
I am developing a MySQL database table structure synchronization function. The client will request the structure of the specified table on the server and receive it through the Json string. Then the client will compare whether the local table structure
How to setup dedicated server in ODAC direct mode
Hello, we have implemented the use of 'direct mode' in our applications with ODAC, which is very useful to us. However, we would like to know what the equivalent of 'Dedicated Server' TNS connection type would be in ODAC direct mode
Save as different framework model?
As I requested a year ago, the reason I bought this was to migrate to EF from Telerik but my models are significant in size. I just need the basic relations in order for me to migrate since they list in the hundreds if not thousands in my models as the
Arabic language
Hey devart The ODBC you present is very useful but when I'm useing it on microsoft access I found that arabic language apears as question marks like "حسين" apears "؟؟؟؟" so how can I make your ODBC support arabic language Thank you
Use Devart ODBC to retrieve and store Quickbooks access token
Hello, Is it possible to retrieve the access token that the ODBC connection uses? I was thinking I could use SQL Server Agent or other service to retrieve the access token and create 1x1 table with its value. Thank You for the help!
Access Violation - in Delphi 11 UP3 - after installing UNIDAC 10.4
Hello, after installing the latest UNIDAC version I am getting Access Violations when I try to install other components. I also have those problems within the RAD Studio when I click e.g. into the project tree - after de-installing UNIDAC - problems are
c++ builder compile error after unidac upgrade
Using c++ builder xe10.3.2, vcl win32 bits app. After update from unidac 9.2.1 to unidac 9.4.0 I got a compile error in standard includes: [bcc32 Error] ws2tcpip.h(604): E2015 Ambiguity between 'std::size_t' and 'Litecalluni::size_t' Any idea why?
Firebird 5
Hi, I would like to prepare/test for Firebird 5.0. When is a driver expected +/- ? Kind regards, Filip
SSIS Components for MySql - SSL CA Cert - How To Use?
Hello, we have a MySql Database that we'd like to connect to. The database asks us to activate the following property: require_secure_transport=ON Where can this property be set? Also, which format is requested in the "SSL CA Cert" option in the manager
[DEVART][ODBC][PostreSQL]Trial period is expired
hi, last year i tried devart odbc driver for postresql on a server with windows2012 R2, it was for a POC with an instance postressql for test. now i want to industialise solution and before buy devart odbc driver, i want to try access on the same but
TSmartQuery SQLTYPE property sometimes 0 when in Direct Mode
Hello, When in Direct mode, and running certain SQL in a TSmartQuery, the SQLType value is zero. Some examples are: CREATE INDEX test_ind ON TEST_TBL (EMPNO); ALTER TABLE TEST_TBL ADD (ddd DATE); It works correctly for these statements: create table test_tbl
Error "System.InvalidOperationException: Transaction already exists."
Hi, That error has already been mentioned here, but no solution. Wen can reproduce by doing this: //-------------------------------- try { //--step 1 try { Data1 dat1 = new() { field1 = 1, field2 = 2 }; ctx.Add(dat1); ctx.SaveChanges(); } catch(Exception
No DbUpdateConcurrencyException when OracleDbContextOptionsBuilder.MaxBatchSize > 1
Hi, we have an issue while enforcing optimistic concurrency in combination with an OracleDbContextOptionsBuilder.MaxBatchSize greater than 1 (eg. 50): there is no thrown DbUpdateConcurrencyException when there should be one. How to reproduce: Create an
SQL Server Always On feature
Do SDAC components for Delphi support SQL Server Always On feature? The "FailoverPartner" property was added for mirroring, but I am not sure if it would work with Always On.
Alerter on Postgres
HI. We have set up an alerter in Postgres (15) on linux ubuntu 22.04. The alerter works when we listen in psql on the server, but placing the Unidac alerter on our server application doesnt seem to do anything. I have put log messages in both the onerror
ODAC (direct mode) non-blocking
I am having an issue with ODAC non-blocking queries. Expected result: The .open method returns immediately. Actual result: The .open method does not return until the SELECT has completed the non-data transfer part of query. In practical terms, that means
TVirtualQuery Float field loaded as memo
Hello, I have a DataModule that I use to do some calculations and eventually display a chart. I have a TTable component with 2 Float fields (Rate and PieceRate). I assign this table to a TVirtualTable (vtPools). There are other tables as well. Next I
Is there a bug in SDAC Component ?
Field of type Data is treated as a widestring when the application runs on a computer other than the computer on which SDAC is installed. each reference to a date field generates string to date conversion errors, ONLY on the computer where delphi (XE")
Old DLL Reference (Devart.Data.PostgreSql)
Hello, in my Web Forms App I did upgrade to current Devart DLLs but there's somehow a hard reference to an older DLL and the only way I could solve it, was by using a DLL redirection - see below. Here's what I tried to solve it the right way: - I removed
Expecting Devart.Data.Oracle.OracleConnection but got Devart.Data.Oracle.Entity.av when using DbConnectionInterceptor
Version used: Used NuGet Package in .net 6 Project: Devart.Data.Oracle.EFCore 10.1.134.7 Problem: I need to Intercept the DbConnection to set some metadata but when using Microsoft.EntityFrameworkCore.Diagnostics.DbConnectionInterceptor instead of getting
[Devart][ODBC][Adaptive Server Enterprise]Invalid activation key ??Trial version
hello, We have successfully installed and efficiently configured Devart on our iMac M1 with the latest operating system, Ventura 13.4. As we opted for the trial version, we encountered a minor setback during a connection test—a vexing error message appeared:
Wrong number or types of arguments in call to 'SF_GET_CLIENTS_QUERY'
Hi Team, Facing this error, when we try to call a specific Oracle function, which has a input of type Table. there are no other mismatch on the number or type of arguments. Issue only when we use this particular parameter(atbl_client_nr). Below i have
TCREncryptor support for more modern hash function
i was looking to use TCREncryptor with unidac and noticed that it only supports deprecated hash algorithms - MD5 and SHA-1. Are there any plans to support sha-2 (I.e SHA256) as well as hmac based algorithms in unidac soon ?
Configuring a stored procedure with return values
I am new to UniDAC and am trying to configure a TUniStoredProc for a stored procedure with return values. I have managed to do this in code using CreateProcCall(<procedure name>), but I would like to know how to do this by just configuring the component
I'd like to ask you to cancel my subscription
Hello. The automatic renewal was checked at the time of purchase last year, so the product that was not scheduled to be used this year was automatically paid. I'd like to cancel my subscription, can I know how?
Slow connection using Dbeaver and ODBC <> BigCommerce Connection
We're looking for a solution to connect to BC using ODBC for my team. We managed to get the connection working but its unbelievably SLOW. Like 2-3 minutes for a select statement. We have enterprise BC so we shouldn't have any rate limiting issues, is
Unidac 9.3.0, Delphi XE2 ver 16.04, Oracle EE with TDE, ORA-00600
Hello, I am using UniDac version 9.3.0 with Delphi XE2 Version 16.0.4504.48759 on an oracle database 19c Enterprise Edition with TDE configured. I have a table with two columns crypted. Here the script I've used: ALTER TABLE utenti MODIFY (USERNAME ENCRYPT
Multiple Query
Hi I have a following problem: trying to utilize multiple query feature but getting error about incorrect sql syntax (ORA-00933). I want to pass few sql queries into one command, then execute reader, fetch data from first query, then call NextResult and
Cancel Subscription
I'd like to cancel my annual subscription for MySQL Database COmponents. Where can I do this?
facing issue as Cannot describe stored procedure arguments
Hi Team, we are facing the same issue which is mentioned in below link, this is created around 2 years ago. Do not find any solution/fix provided. please help in understand the resiolution required. For reference we are adding the Procedure for reference.
Как правильно работать c компонент Encryption Unidac Firebird3?
Добрый день Подскажите пожалуйста как правильно работать c компонент Encryption Unidac Firebird3? то что работал Ibdac перестал работать Unidac База Firebird 3 тип поля VARCHAR(2000) CHARACTER SET OCTETS COLLATE OCTETS В Ibdac работает но в Unidac после
Snapshot functionality or getting sqlite3* connection handle from SQLiteConnection
I need the snapshot functionality offered by SQLite as described here: https://www.sqlite.org/c3ref/snapshot_get.html but in context of a SQLiteConnection in turn used with Enity Framework 6. As far as I can see dotConnect for SQLite does not support
IndexFieldNames
Hi, I need "natural sort" as a sorting algorithm to use with IndexFieldNames. For natural sort see: https://en.wikipedia.org/wiki/Natural_sort_order I have an article number field as varchar. Some of my customers have article numbers with mixed letters
Installation Questions
I am installing dcoracle101pro.exe on a server that functions as a development environment as well as a production web server. When I attempted the installation it said that it was going to remove any old versions and I told it to go ahead and then another
Next Page