On 7/1/20 10:34 PM, Pavel Stehule wrote:
> st 1. 7. 2020 v 22:31 odesílatel Vik Fearing <vik@postgresfriends.org>
> napsal:
>
>> On 7/1/20 9:32 PM, Pavel Stehule wrote:
>>> st 1. 7. 2020 v 20:19 odesílatel Vik Fearing <vik@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?
>>
>>
>> The SQL Standard.
>>
>
> The SQL Standard is really big, and is very possible so I miss this part.
> Can you send me a link?
ISO/IEC 9075-2:2016 Section 11.60 <SQL-invoked routine>
--
Vik Fearing