public static void Main() { SQLRConnection con = new SQLRConnection("sqlrserver", 9000, "/tmp/example.socket", "user", "password", 0, 1); SQLRCursor cur = new SQLRCursor(con); cur.prepareQuery("begin select image into :image from images; select description into :desc from images; end;"); cur.defineOutputBindBlob("image"); cur.defineOutputBindClob("desc"); cur.executeQuery(); String image = cur.getOutputBindBlob("image"); UInt32 imagelength = cur.getOutputBindLength("image"); String desc = cur.getOutputBindClob("desc"); UInt32 desclength = cur.getOutputBindLength("desc"); con.endSession();
private void bindParameters() { _sqlrcur.clearBinds(); for (Int32 i = 0; i < Parameters.Count; i++) { SQLRelayParameter param = (SQLRelayParameter)Parameters[i]; if (param.Direction == ParameterDirection.Input) { if (param.IsNull) { _sqlrcur.inputBind(param.ParameterName, null); continue; } switch (param.SQLRelayType) { case SQLRelayType.Clob: _sqlrcur.inputBindClob(param.ParameterName, Convert.ToString(param.Value), (UInt32)Convert.ToString(param.Value).Length); continue; case SQLRelayType.Blob: _sqlrcur.inputBindBlob(param.ParameterName, (Byte[])param.Value, (UInt32)((Byte[])param.Value).Length); continue; case SQLRelayType.Cursor: throw new NotSupportedException(); } switch (param.DbType) { case DbType.AnsiString: case DbType.AnsiStringFixedLength: case DbType.String: case DbType.StringFixedLength: case DbType.Time: case DbType.Guid: _sqlrcur.inputBind(param.ParameterName, Convert.ToString(param.Value)); continue; case DbType.Date: case DbType.DateTime: case DbType.DateTime2: case DbType.DateTimeOffset: DateTime dt = Convert.ToDateTime(param.Value); _sqlrcur.inputBind(param.ParameterName, Convert.ToInt16(dt.Year), Convert.ToInt16(dt.Month), Convert.ToInt16(dt.Day), Convert.ToInt16(dt.Hour), Convert.ToInt16(dt.Minute), Convert.ToInt16(dt.Second), Convert.ToInt16(dt.Millisecond) * 1000, null, false); continue; case DbType.Binary: _sqlrcur.inputBindBlob(param.ParameterName, (Byte[])param.Value, (UInt32)((Byte[])param.Value).Length); continue; case DbType.Boolean: _sqlrcur.inputBind(param.ParameterName, (Convert.ToBoolean(param.Value) == true) ? 1 : 0); continue; case DbType.Currency: case DbType.Decimal: case DbType.Single: case DbType.Double: case DbType.VarNumeric: _sqlrcur.inputBind(param.ParameterName, Convert.ToDouble(param.Value), 0, 0); continue; case DbType.Byte: case DbType.Int16: case DbType.Int32: case DbType.Int64: case DbType.SByte: case DbType.UInt16: case DbType.UInt32: case DbType.UInt64: _sqlrcur.inputBind(param.ParameterName, Convert.ToInt64(param.Value)); continue; case DbType.Object: case DbType.Xml: _sqlrcur.inputBind(param.ParameterName, Convert.ToString(param.Value)); continue; } } else if (param.Direction == ParameterDirection.Output) { switch (param.SQLRelayType) { case SQLRelayType.Clob: _sqlrcur.defineOutputBindClob(param.ParameterName); continue; case SQLRelayType.Blob: _sqlrcur.defineOutputBindBlob(param.ParameterName); continue; case SQLRelayType.Cursor: _sqlrcur.defineOutputBindCursor(param.ParameterName); continue; } switch (param.DbType) { case DbType.AnsiString: case DbType.AnsiStringFixedLength: case DbType.String: case DbType.StringFixedLength: case DbType.Time: case DbType.Guid: _sqlrcur.defineOutputBindString(param.ParameterName, param.Size); continue; case DbType.Date: case DbType.DateTime: case DbType.DateTime2: case DbType.DateTimeOffset: _sqlrcur.defineOutputBindDate(param.ParameterName); continue; case DbType.Binary: _sqlrcur.defineOutputBindBlob(param.ParameterName); continue; case DbType.Boolean: _sqlrcur.defineOutputBindInteger(param.ParameterName); continue; case DbType.Currency: case DbType.Decimal: case DbType.Single: case DbType.Double: case DbType.VarNumeric: _sqlrcur.defineOutputBindDouble(param.ParameterName); continue; case DbType.Byte: case DbType.Int16: case DbType.Int32: case DbType.Int64: case DbType.SByte: case DbType.UInt16: case DbType.UInt32: case DbType.UInt64: _sqlrcur.defineOutputBindInteger(param.ParameterName); continue; case DbType.Object: case DbType.Xml: _sqlrcur.defineOutputBindString(param.ParameterName, param.Size); continue; } } else if (param.Direction == ParameterDirection.InputOutput) { // FIXME: SQL Relay doesn't currently support in/out parameters throw new NotSupportedException(); } } }