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Is three a MEL Type( string or array) function or workaround?

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

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Jaisan

(@jaisan)

Posts: 29

Trusted Member

Topic starter

In writing a complex form with many function calls, during debugging I would like to determine whether a passed variable is actually passed as a string or an array. I can determine this with a MelTrace but would like to insert a Type(passedVar) in a userok to follow the progress of data flow.

Does anyone know is such a function exists in MEL or have a work-around to use within the white space coding userok() call such as Type(TempAry) = array if array or Str if actually a string.

Otherwise when things go haywire, I use a userok("CHECK POINT" + str(item) + '\r\nSize" + str(size(item)) ) then do a Ctrl-F to find this spot in the MelTrace.

Appreciate any ideas or suggestions

Posted : October 27, 2020 8:46 am

DavidShower

(@davidshower)

Posts: 1255

Noble Member

I don't know of a symbol to do that. You could use OBSNOW(,"SOMEOBSNAME",variable) to test. If it errors out/is empty it is a number and if it works it is a string.

Posted : October 27, 2020 11:37 am

gibsonmi

(@gibsonmi)

Posts: 827

Prominent Member

Just an idea - insert() works with strings and arrays, you could take size of the variable, insert a two character string, and take size again. If it increases by two, then its a string, if it increases by one, its an array. Will only work with those two types, but you could probably find a similar way to check integer v a string.

Posted : October 28, 2020 12:26 am

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