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0 votes
1 answer
89 views

How to get single row of values from database

Reading multiple values from a Postgres database using npgsql and EF Core in an ASP.NET Core MVC view: var tulem = await ctx.Database .SqlQuery<(string Klient, int Krediit, int ...
Andrus's user avatar
  • 28k
1 vote
0 answers
63 views

"42883: procedure usp_delete_announcements(integer) does not exist" while calling stored procedure with out paremeters from .NET Core

I am trying to call a PostgreSQL stored procedure with OUT parameters from my .NET Core 3.1 API to delete a record based on an ID. However, when I attempt to execute the stored procedure with OUT ...
yaminisai's user avatar
4 votes
1 answer
196 views

Polymorphism in Entity Framework Core 9 with PostgreSQL and jsonb column

I am currently working on a database table, that shall contain some base properties of the data and one property that is a jsonb column in the database that can contain different objects that are ...
Octoate's user avatar
  • 509
0 votes
0 answers
45 views

Multi tenancy support for Single database shared schema

We are using a single database with a shared schema multi-tenancy model, as it is the most practical way to support a large number of tenants. Is there a recommended pattern or approach in Npgsql to ...
Neeraj's user avatar
  • 1
0 votes
0 answers
71 views

Database tool in Performance Profiler not working when program is pointed to PostgreSQL

My program in C# using Entity Framework Core I can point to a PostgreSQL or SQLite database. When pointed to PostgreSQL the Database tool of Performance Analyzer does not work. There only appear ...
Zachary Mollohan's user avatar
0 votes
0 answers
46 views

How to pass a user-defined table type (UDT) to a PostgreSQL stored procedure using C# and Npgsql?

I'm trying to pass a user-defined table type (UDT) to a PostgreSQL stored procedure using C# and Npgsql. Here are the details - PostgreSQL composite type definition: CREATE TYPE public....
ravikiran reddy's user avatar
0 votes
0 answers
35 views

Connect ErikEJ Powertools to Google Cloud Postgres Database

Been fighting with this for some time. Normally got around this running a local copy of my database on my local machine to get around all of the Google/SSL insanity. Burned myself on at least one ...
Shane Brodie's user avatar
0 votes
1 answer
76 views

CREATE a stored procedure using plain query text via NpgsqlConnection::ExecuteAsync

I am trying to create a stpored procedure via Npsql from C# private async Task TestExecute(string cmdQuery) { var cnnString = $"Server=localhost;User Id=admin;Password=somepass;...
Kiko's user avatar
  • 359
0 votes
0 answers
37 views

Exception "System.IO.IOException" in Npgsql.dll

My project uses .NET Framework 4.0. During the execution of a program for a certain operation, a message appears in the debugging console: An exception was raised: "System.IO.IOException" in ...
Twinkles's user avatar
0 votes
0 answers
59 views

Unable to Persist HashSet<T> with jsonb Column Type in EF Core after Upgrading to .NET 9 and PostgreSQL 9.0.1

I'm upgrading a project from .NET 6 to .NET 9 and PostgreSQL to version 9.0.1. In my domain model, I have the following property: public HashSet<Guid> Property { get; set; } In the database, ...
coder123's user avatar
1 vote
0 answers
74 views

Unnest Npgsql bulk query for integer array element

I have a integer[] slots in my PostgreSQL table and would like to use unnest to fill it in bulk. cmd.CommandText = "INSERT INTO inventory (slots) " + "SELECT t.slots &...
Michal Krča's user avatar
1 vote
1 answer
736 views

DynamicJson enabling in NpgSql

I have updated few days ago .NET version in my project to 8. Also Npgsql.EntityFrameworkCore.PostgreSQL package have been updated to version 8.0.10. Some part of my code inserts a class Entity into DB,...
DmitriiTG's user avatar
0 votes
0 answers
42 views

Why can't I use a NpgsqlParameter for a channel or a payload in npgsql notify

I want to execute an NOTIFY in a Postgres RDBMS by c# library npgsql. in SELECTS, INSERTS or UPDATES I used NpgsqlParameters to keep them flexible and save. So I thought, I could also use ...
woelfchen42's user avatar
0 votes
1 answer
243 views

"TimeoutException: Exception while reading from stream" during "dotnet ef database update" using Npgsql with PostgreSQL

I'm trying to update my PostgreSQL database using Entity Framework Core in a .NET application. However, when I run the command dotnet ef database update, I get a TimeoutException with the following ...
Hridoy Hasan's user avatar
1 vote
1 answer
233 views

Npgsql Password Provider only changes the password, not the entire connection string

In NpgsqlDatasourceBuilder, .UsePasswordProvider and .UsePeriodicPasswordProvider only change the password, not the connection string. Is this the normal behavior of both ? If so, what is the purpose ...
Ibrahim Saber's user avatar

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