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pro-isam versus c-isam


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#16 Rob Fantini

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Posted 13 April 2018 - 03:35 PM

Solved the issue.

 

i had use a new file name .  

 

for instance i had just used the same file at @F  and changed C-FLT to C-DEC .  deleted file on disk and created a new one using pro4.

 

that did not work.

 

i copied the file to a new name  in pro4   , created file and now the data displays on a pro4 screen...   there is always a workaround.   since i have 80 files to convert C-FLT to C-DEC i'm sure i'll find there is a way to get it done using existing pro4 file and just changing data type...  

 

thanks again for the help,  and if you have any other c-isam know how to pass on please post in the future.



#17 Richard Bassett

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Posted 13 April 2018 - 04:25 PM

What you did ought to have worked though, unless perhaps you didn't regen one of the functions involved?

 

Don't forget that with C-DEC you do need to pick a storage format for every field - that's a downside compared to C-FLT.  The ideal world is a genuine decimal floating type but IIRC that's only available in Oracle and DB2.

 

I know (or maybe knew) a fair bit about ProIV and C-ISAM as I implemented the support in ProIV in the late '80s or something.  Happy to try and help if needed although I don't pass this way often any more.

 

You can have my email if you want, no problem.  Rob D has loads more practical application experience with C-ISAM than me anyway though.


Nothing's as simple as you think

#18 Rob Fantini

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Posted 13 April 2018 - 04:36 PM

Thanks Richard ,   it would be good to have your email.   mine is   rob  @   

 

fantinibakery.com  .



#19 Rob Fantini

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Posted 15 May 2018 - 08:01 PM

OK  so all our files are converted to cisam,    c-dec and alpha storage types..

 

I've some questions and will start a new thread.

 

thank you both for the assistance!





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