We have used our own DLL for accessing SQL as well as pervasive blobs long before DF had support for them. We still use our own library because it handles these things much better
We have used our own DLL for accessing SQL as well as pervasive blobs long before DF had support for them. We still use our own library because it handles these things much better
Michael Salzlechner
StarZen Technologies, Inc
http.://www.starzen.com
IT Director at Balloons Everywhere
Development Blog
http://www.salzlechner.com/dev
DataFlex Package Manager (aka Nuget for DataFlex)
http://windowsdeveloper.com/dfPackage
Hi michael
Is there any documentation or guidelines that you have followed to create your own drivers?
Is there anything at high level that could de shared?
I am not teying to reinvent the whell but there are a few areas that I would like to explore and I have no idea where and how to start.
Thanks
Samuel Pizarro
Would be good if DAW jumped in on this one, there may be a particular technique that needs to be used. I think there are a couple of different issues involving memory allocation. A blog on BLOB's and CLOB's would be great.
Our first one was a long time ago for pervasive. It allowed us to create a pervasive table and then read and write blob object into the table. We also added a memory object class that we use to store and manipulate blob objects and it has connections to our richedit control as well.
Later when we switched to SQL Server we created a DLL with the same interface for SQL Server.
While we are still using this in some projects we have started using embedded SQL quite a while ago to read and write blobs from and to SQL Server tables.
We are storing different types of documents (RTF, PDF, HTML, etc) as well as photos
Michael Salzlechner
StarZen Technologies, Inc
http.://www.starzen.com
IT Director at Balloons Everywhere
Development Blog
http://www.salzlechner.com/dev
DataFlex Package Manager (aka Nuget for DataFlex)
http://windowsdeveloper.com/dfPackage
bump...
It would be nice if DAW could say something about this...
Is there anything in the plan ?
Not yet, but we are willing to consider this request...
Oh yeah... this is comming for DF 2021... :-)
I would appreciate.
Thanks
Samuel Pizarro
+1
Yes I'd like to know. Had battles with this before.