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* Error when following a documentation
@ 2018-08-28 15:13 PG Doc comments form <[email protected]>
2018-08-28 15:56 ` Re: Error when following a documentation David G. Johnston <[email protected]>
0 siblings, 1 reply; 2+ messages in thread
From: PG Doc comments form @ 2018-08-28 15:13 UTC (permalink / raw)
To: [email protected]; +Cc: [email protected]
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/10/static/plpgsql-cursors.html
Description:
As specified On page
https://www.postgresql.org/docs/10/static/plpgsql-cursors.html#PLPGSQL-CURSOR-OPENING
i am trying to run below commands
-------------------------------------------------
DECLARE
key integer;
curs4 CURSOR FOR SELECT * FROM tenk1 WHERE unique1 = key;
BEGIN
key := 42;
OPEN curs4;
--------------------------------------------------------
but i am getting below errors, please help
--------------------------------------------------------
postgres=#
postgres=# SELECT VERSION();
version
-----------------------------------------------------------------------------------------
----------------
PostgreSQL 10.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.4.7
20120313 (Red Hat 4.
4.7-18), 64-bit
(1 row)
postgres=# DECLARE
postgres-# key integer;
ERROR: syntax error at or near "integer"
LINE 2: key integer;
^
postgres=# curs4 CURSOR FOR SELECT * FROM tenk1 WHERE unique1 = key;
ERROR: syntax error at or near "curs4"
LINE 1: curs4 CURSOR FOR SELECT * FROM tenk1 WHERE unique1 = key;
^
postgres=# BEGIN
postgres-# key := 42;
ERROR: syntax error at or near "key"
LINE 2: key := 42;
^
postgres=# OPEN curs4;
ERROR: syntax error at or near "OPEN"
LINE 1: OPEN curs4;
^
postgres=#
--------------------------------------------------------
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: Error when following a documentation
2018-08-28 15:13 Error when following a documentation PG Doc comments form <[email protected]>
@ 2018-08-28 15:56 ` David G. Johnston <[email protected]>
0 siblings, 0 replies; 2+ messages in thread
From: David G. Johnston @ 2018-08-28 15:56 UTC (permalink / raw)
To: [email protected] <[email protected]>; [email protected] <[email protected]>
On Tuesday, August 28, 2018, PG Doc comments form <[email protected]>
wrote:
>
> postgres=# DECLARE
> postgres-# key integer;
> ERROR: syntax error at or near "integer"
> LINE 2: key integer;
> ^
>
You are writing pl/psql language code at the SQL input prompt. That won't
work. You have to either use the SQL DO command or write a function.
David J.
^ permalink raw reply [nested|flat] 2+ messages in thread
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