James,
> What's the easiest way to modify or view a function written in
> PL/pgSQL? I've been using pg_dump to get the original function, then
> dropping and creating the function and trigger after making a change.
> Is there an easier way?
Well, if you're on Win32 or on Linux, you can install PGAccess (link
from postgresql.org). PGAccess has an OK function editor, although it
doesn't support cut-and-paste on Xwindows and I've found a few bugs with
large and complex functions.
Me, I write lots and lots of PL/pgSQL functions. I've found the easiest
way to be (I'm on SuSE 7.0/KDE2.1):
1. Create text file, and write and edit function in KEdit.
2. Save text file.
3. Load function using \i in PSQL.
4. Test function. FInd bug(s).
5. Re-edit function using Kedit. Add DROP FUNCTION command at
beginning.
6. Re-load function using \i in PSQL.
7. Repeat from 4 until function is debugged.
It sounds like a lot of steps, but really it goes quickly. Plus it
allows you to save lots of intermediate versions of functions.
-Josh
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