I agree that it would be optimal to support both. I'm happy to accept a pull request if you have an update that would modify how this works.
Nathan Palmer On Sun, Jul 22, 2012 at 12:06 PM, Simone Busoli <[email protected]>wrote: > The point is basically that what the DSL is doing in that case is > replacing the body of the Execute method of an AbstractOperation with the > instantiation of the input operation, which therefore will not be executed > when the process is run. > It's a limitation of the DSL I would say, and the workaround it either to > write the input operation inline or do something like this: > > operation import_from_db: > op = ConventionInputCommandOperation("test") > op.Command = "SELECT FirstName, LastName, LoyaltyNumber FROM > LoyaltyTable" > for row in op.Execute(null): > yield row > > On Sun, Jul 22, 2012 at 4:28 PM, Nathan Palmer <[email protected]>wrote: > >> Michael, >> >> Did you get your problem resolved? Your code is almost 100% the same as >> the example here except for Simone's suggestion of inlining the first >> process. >> >> http://hibernatingrhinos.com/open-source/rhino-etl/introduction >> >> Take a look and let us know if you have questions. >> >> Nathan >> >> >> On Fri, Jul 20, 2012 at 8:54 PM, Simone Busoli >> <[email protected]>wrote: >> >>> I'm not overly familiar with the DSL but I think that inlining the first >>> operation inside the process itself instead of declaring it as a standalone >>> operation should work. >>> >>> Simone >>> >>> On Sat, Jul 21, 2012 at 1:31 AM, Michael Gates <[email protected]>wrote: >>> >>>> I'm very new to this library and am trying to understand the Boo DSL. >>>> When I run the following code, I get "Null enumerator detected, are you >>>> trying to read from the first operation in the process?" >>>> code: >>>> >>>> import FileHelpers >>>> >>>> [DelimitedRecord("|")] >>>> public class LoyaltyRow: >>>> public Name as string >>>> public Loyalty as string >>>> >>>> operation import_from_db: >>>> input "SourceDatabase", Command = """ >>>> SELECT >>>> FirstName, LastName, LoyaltyNumber >>>> FROM LoyaltyTable >>>> """ >>>> >>>> operation transform_names: >>>> for row in rows: >>>> row.Name = row.FirstName + " " + row.LastName >>>> row.Loyalty = row.LoyaltyNumber.ToString() >>>> yield row >>>> >>>> operation export_file: >>>> engine = Rhino.Etl.Core.Files.FluentFile.For[of LoyaltyRow]() >>>> file = engine.To("DatabaseExport.txt") >>>> for row in rows: >>>> record = row.ToObject[of LoyaltyRow]() >>>> file.Write(record) >>>> yield row >>>> file.Dispose() >>>> >>>> process Test: >>>> import_from_db() >>>> transform_names() >>>> export_file() >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Rhino Tools Dev" group. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msg/rhino-tools-dev/-/D_cZ6Jq53b0J. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/rhino-tools-dev?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Rhino Tools Dev" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/rhino-tools-dev?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Rhino Tools Dev" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/rhino-tools-dev?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Rhino Tools Dev" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rhino-tools-dev?hl=en. > -- You received this message because you are subscribed to the Google Groups "Rhino Tools Dev" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rhino-tools-dev?hl=en.
