On 2013-11-14 10:56, Dang Minh Huong wrote:
> Hi,
>
> 2013/11/15 0:38、Elliot <yields.falsehood@gmail.com> のメッセージ:
>
>>> On 2013-11-14 10:32, Dang Minh Huong wrote:
>>> Hi,
>>>
>>> 2013/11/15 0:20、Elliot <yields.falsehood@gmail.com> のメッセージ:
>>>
>>>>> On 2013-11-14 10:13, Dang Minh Huong wrote:
>>>>> Hi all,
>>>>>
>>>>> I am using PostgreSQL 9.1 and get a syntax error with the following PL/pgSQL clause.
>>>>> Is there any equivalent syntax in PL/pgSQL to solve it.
>>>>>
>>>>> ------
>>>>> rec typ[];
>>>>> (typ[1]).t1 := 1;
>>>>> ------
>>>>>
>>>>> typ is type which was created by command below.
>>>>>
>>>>> Create type typ as(
>>>>> t1 interger,
>>>>> t2 text);
>>>>>
>>>>> I am migrating data from Oracle to PostgreSQL and encounter this issue.
>>>>>
>>>>> Thanks,
>>>>> Huong,
>>>> If typ is the type and rec is the variable, do you mean to access rec[1]?
>>> Sorry for this miss.
>>> Yes, typ is the type and rec is the variable.
>>> I only want to assign a value to rec[1].t1.
>>>
>>> Thanks,
>>> Huong,
>> I can't recall a source on this but I'm not sure you can assign to
>> composite types' members in plpgsql
> I think so too.
>
>> (unlike in straight sql where update
>> set rec.t1 := 1 is valid). You can build the entire record at once like
>> "rec[1] := (1, null)::typ;".
>>
> But if do like that, the rec[1].t2 will replaced by null.
> Is there another way?
>
> Thanks,
> Huong,
>
Yes - see David Johnston's response