LakshyaNandwana commented on issue #640:
URL: https://github.com/apache/age/issues/640#issuecomment-1790636638
I'm currently working on updating values using the following code block:
```csharp
try
{
var connString =
"Host=myserver;Username=puser;Password=psqlpw;Database=mydatabase";
using var conn = new NpgsqlConnection(connString);
await conn.OpenAsync();
Console.WriteLine("Connection Successful");
using var cmd = new NpgsqlCommand("SELECT * FROM
ag_catalog.cypher('mydata', $$ MATCH(v:Device {DeviceName: 'My Fancy Device'})
SET v.specversion = '3.0' RETURN v $$) as (v agtype) ;", conn);
cmd.AllResultTypesAreUnknown = true;
await cmd.ExecuteNonQueryAsync();
// var reader = cmd.ExecuteReader();
// reader.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
> I encountered an error: "type 'agtype' does not exist."
Do you have any suggestions for executing this update command?
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