I prefer using PostgreSQL as my database server, but still greatly
appreciate all that MySQL has to offer, and have written several test
application in VFP that select, update, insert, and delete table rows of
a PostgreSQL database. I have experimented with both the cursor adopter
of VFP8, and updateable views of VFP8, but my favorite is using VFP
forms and grids to perform the updates, inserts, deletes, and selects
using SPT to PostgreSQL. I also like to use perl with the html embedded
within the perl code to interact with a PostgreSQL database. That works
great for a dynamicly driven database web application.
I figure if I build my own base code, I will have a better understanding
of how everything works and I will not then be dependent on any third
party tools, which might become obsolete or increase expenses some where
down the road, because of vendor lock in. <g> In the final analysis the
cursor adopter and views are just wrappers around code that uses SPT. <g>
Regards,
LelandJ
MB Software Solutions wrote:
Leland Jackson wrote:
Why wouldn't you want MySQL to handle all the heavy lifting of the
data, including parent and child tables, auto-incrementing of primary
keys, all indexes, all foreign key constrains (eg RI), all processing
within transactions, etc? Then MySQL would retrun a record set based
on SQL 92 to the VFP GUI. The data could be manipulated with the VFP
GUI/Program, and then updated back to MySQL.
And that's absolutely what I'm doing. I use a tiered design so that
VFP GUI simply expects a cursor, and the DataObject is responsible for
creating that cursor, whether that means opening a VFP view or doing a
SPT call against the non-VFP database to create the cursor (and then
using Paul McNett's MakeUpdatable.prg code to make the SPT cursor
updatable like a view---see Ed's downloads section for Paul's code if
you're interested....slick!).
Eventually, I want to move it all to MySQL, but don't have the
resources to do that all at once now, as I have clients using the app
now, and am favoring a gradual approach where new features are
implemented using the MySQL backend instead of VFP.
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