Re: incorrect syntax for offset

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От Bruce Momjian
Тема Re: incorrect syntax for offset
Дата
Msg-id 201002232247.o1NMlmi26595@momjian.us
обсуждение исходный текст
Ответ на incorrect syntax for offset  (Jaime Casanova <jcasanov@systemguards.com.ec>)
Список pgsql-docs
Jaime Casanova wrote:
> Hi.
>
> Our current docs says that we support the following syntax (i'm
> putting just the lines that disturbes me) inside a SELECT statement
> """
> [ LIMIT { count | ALL } ]
> [ OFFSET start [ ROW | ROWS ] ]
> [ FETCH { FIRST | NEXT } [ count ] { ROW | ROWS } ONLY ]
> """
>
> i read that as allow me to use the ROWS in an OFFSET clause whatever i
> use LIMIT or FETCH for limiting results but seems like we try hard to
> make a distinguish from old syntax and new (sql standard) syntax
>
> pruebas=# select * from tab1 limit 3 offset 2 rows;
> ERROR:  syntax error at or near "rows"
> LINE 1: select * from tab1 limit 3 offset 2 rows;
>                                             ^
> pruebas=# select * from tab1 offset 2 fetch next 3 rows only;
> ERROR:  syntax error at or near "fetch"
> LINE 1: select * from tab1 offset 2 fetch next 3 rows only;

FYI, this is fixed in 9.0:

    test=> select * from tab1 limit 3 offset 2 rows;
     x
    ---
    (0 rows)

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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
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