Firebird procedure without parameters

Describe your issue

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If you are seeing an exception, include the full exceptions details (message and stack trace).

Exception message: 

    FirebirdSql.Data.FirebirdClient.FbException : Dynamic SQL Error
    SQL error code = -104
    Token unknown - line 8, column 31
    )
      ----> FirebirdSql.Data.Common.IscException : Dynamic SQL Error
    SQL error code = -104
    Token unknown - line 8, column 31
    )
Stack trace:

    FbCommand.ExecuteReader(CommandBehavior behavior)
    DataConnection.ExecuteReader(CommandBehavior commandBehavior)
    DataConnection.ExecuteDataReader(CommandBehavior commandBehavior)
    QueryRunner.ExecuteReader()
    QueryRunner.ExecuteQuery[T](Query query, IDataContext dataContext, Mapper`1 mapper, Expression expression, Object[] ps, 
    Object[] preambles, Int32 queryNumber)+MoveNext()
    List`1.ctor(IEnumerable`1 collection)
    Enumerable.ToList[TSource](IEnumerable`1 source)
    GDIUnitOfWork.GetStocktakingPalettInformations() line 226
    CreateOrUpdateStocktakingTaskExecute.ExecuteTask(CreateOrUpdateStocktakingTask task, IServiceProvider serviceProvider) line 264
    RedisWorkerTaskExecute.CreateStocktaking() line 240
    GenericAdapter`1.GetResult()
    AsyncToSyncAdapter.Await(Func`1 invoke)
    TestMethodCommand.RunTestMethod(TestExecutionContext context)
    TestMethodCommand.Execute(TestExecutionContext context)
    <>c__DisplayClass1_0.<Execute>b__0()
    DelegatingTestCommand.RunTestMethodInThreadAbortSafeZone(TestExecutionContext context, Action action)
    --IscException
    IResponseExtensions.HandleResponseException(IResponse response)
    GdsDatabase.ReadResponse()
    GdsStatement.Prepare(String commandText)
    FbCommand.Prepare(Boolean returnsSet)
    FbCommand.ExecuteCommand(CommandBehavior behavior, Boolean returnsSet)
    FbCommand.ExecuteReader(CommandBehavior behavior)

Steps to reproduce

Create simple procedure without parameters

CREATE OR ALTER PROCEDURE GETTESTDATA ()
RETURNS (
	TESTMESSAGE VARCHAR(255)
)
AS
begin
 
	:TESTMESSAGE = 'OK';
	suspend;
end

call procedure on c#
_context.GETTESTDATA().ToList();

Environment details

linq2db.EntityFrameworkCore Version=“7.2.0” linq2db.Firebird Version=“5.0.0”

.NET Core 7 Firebird 3

[MaceWindu]

I’m not blaming you 😃. I mean Firebird did a bad job here by requiring special CALL syntax for procedure in case it doesn’t have parameters.

[MaceWindu]

Thanks. Also discovered it recently. Will be fixed in next release