> I am trying to get a better understanding of how transactions work in
> pl/pgsql functions. I found the following text in the help:
> "It is important not to confuse the use of BEGIN/END for grouping statements
> in PL/pgSQL with the database commands for transaction control. PL/pgSQL's
> BEGIN/END are only for grouping; they do not start or end a transaction"
> but I am still a bit confused.
>
> Suppose I have a function that will be called from an application. Will all
> the statements in the function be rolled back if the last one generates an
> exception? or do I need to add code to a function to make that happen?
pl/pgsql code always runs *inside a transaction*.
As a result, if you roll something back, all of the effects of code
inside the transaction will be rolled back.
So you don't need to do anything special for things to roll back.
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