Thanks for the info I will do some test with a SMALLINT field. Happy coding Chris > -----Ursprüngliche Nachricht----- > Von: Геннадий Забула [mailto:zabulu...@gmail.com] > Gesendet: Freitag, 26. Juni 2015 15:11 > An: christian.waldm...@rte-ag.ch; For users and developers of the > Firebird .NET providers > Betreff: Re: [Firebird-net-provider] Handling of boolean in .Net > Provider 4.6.2 > > We are using SMALLINT type in our project. > FB EF provider also generates tables with SMALLINT fields for code- > first class fields. > > On 26 June 2015 at 14:49, Christian Waldmann <christian.waldmann@rte- > ag.ch> wrote: > > I am using Firebird 2.5.4, superServer and embedded, Visula Studio > > 2013, .Net Framework 4.5.1, .Net Provider 4.6.2 > > > > > //==================================================================== > > ====== > > ================= > > I have defined a table with "CyclePassed" CHAR(1) to store a boolean > > result > > > > CREATE TABLE "SampleSummaries" ( > > "UniqueId" BIGINT DEFAULT 0 NOT NULL, > > "EndTestRunId" BIGINT NOT NULL, > > "Cycle" BIGINT NOT NULL, > > "LoadPressure" FLOAT, > > "LoadPressureMin" FLOAT, > > "LoadPressureMax" FLOAT, > > "ShutoffPressure" FLOAT, > > "ShutoffPressureMin" FLOAT, > > "ShutoffPressureMax" FLOAT, > > "TravelTime" FLOAT, > > "TravelTimeMin" FLOAT, > > "TravelTimeMax" FLOAT, > > "CyclePassed" CHAR(1) > > ); > > > > > > > //==================================================================== > > ====== > > ================= > > // access to table from C# > > > > bool cyclePassed = true; > > FbCommand command = new FbCommand(); > > > > command.CommandText = > > "INSERT INTO \"SampleSummaries\" (" + > > "\"EndTestRunId\", \"Cycle\", " + > > "\"LoadPressure\", \"LoadPressureMin\", \"LoadPressureMax\", " > + > > "\"ShutoffPressure\", \"ShutoffPressureMin\", > > \"ShutoffPressureMax\", " + > > "\"TravelTime\", \"TravelTimeMin\", \"TravelTimeMax\", > > \"CyclePassed\"" + > > ") VALUES (@EndTestRunId, @Cycle, " + > > "@LoadPressure, @LoadPressureMin, @LoadPressureMax, " + > > "@ShutoffPressure, @ShutoffPressureMin, @ShutoffPressureMax," + > > "@TravelTime, @TravelTimeMin, @TravelTimeMax, @CyclePassed )"; > > > > command.Connection = samplesTableAdapter.Connection; > > command.Transaction = transaction; > > > > command.Parameters.Add("@EndTestRunId", FbDbType.BigInt).Value = > channelId; > > ... > > > > // PROBLEM A: > > > ====================================================================== > > ====== > > ============== > > // works with stand alone server, > > // but SQL error "string conversion error '49'" > > // {Remark: 49 is the decimal ASCII code of '1'} > > command.Parameters.Add("@CyclePassed", FbDbType.Boolean).Value = > > cyclePassed ? '1' : '0'; > > > > // PROBLEM B: > > > ====================================================================== > > ====== > > ============== > > // works with embedded server, > > // but "string truncation error" with stand alone server > > command.Parameters.Add("@CyclePassed", FbDbType.Boolean).Value = > > cyclePassed; > > > > // REMARK: > > > ====================================================================== > > ====== > > ============== > > // works with embedded server and standalone server Firebird 2.5.3, > > with .Net Provider 2.0, .Net Framework 2.0, Visual Studio 2008 > > command.Parameters.Add("@CyclePassed", FbDbType.Boolean).Value = > > cyclePassed; > > > > // QUESTION > > > ====================================================================== > > ====== > > ================ > > Is this a bug or am I missing the correct usage of storing a 'bool'? > > > > Happy coding > > Christian Waldmann > >
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