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From: Bruce Momjian <[email protected]>
To: Pavel Stehule <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: pgsql-docs <[email protected]>
Subject: Re: remove undocumented assign syntax from plpgsql doc
Date: Wed, 15 Jan 2014 15:36:04 -0500
Message-ID: <[email protected]> (raw)
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On Wed, Jan 15, 2014 at 05:39:22PM +0100, Pavel Stehule wrote:
> I don't understand last sentence of comment
> 
>  ! /*
> !  * Ada-based PL/SQL uses := for assignment and variable defaults, while
> !  * the SQL standard uses equals for these cases and for GET
> !  * DIAGNOSTICS, so we support both.  FOR and OPEN only support :=.
> !  */
> ! assign_operator    : '='
> 
> "FOR and OPEN only support :="
> 
> FOR statement nor OPEN statement doesn't use ":="

Uh, I see it in the documented syntax:

	OPEN <replaceable>bound_cursorvar</replaceable> <optional> ( <optional>
	<replaceable>argument_name</replaceable> := </optional>  <---
	<replaceable>argument_value
	
	FOR <replaceable>recordvar</replaceable> IN
	<replaceable>bound_cursorvar</replaceable> <optional> ( <optional>
	<replaceable>argument_name</replaceable> :=   <---
	</optional> <replaceable>argument_value

-- 
  Bruce Momjian  <[email protected]>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


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