st 1. 7. 2020 v 20:19 odesÃlatel Vik Fearing <v...@postgresfriends.org> napsal:
> On 7/1/20 3:36 PM, Robert Haas wrote: > > I actually don't have a very clear idea of what the standard has to > > say about SQL-language functions. Does it just say it's a list of > > statements, or does it involve variables and control-flow constructs > > and stuff like that, too? > > > It's either a single sql statement, or a collection of them between > "begin atomic" and "end". There are no variables or flow control > constructs or anything like that, just as there are no such things > outside of a function. > What is the source of this comment? Maybe we are speaking (and thinking) about different languages. I thought the language of SQL functions (ANSI/SQL) is SQL/PSM. Regards Pavel > (There are a few statements that are not allowed, such as COMMIT.) > -- > Vik Fearing > > >
