Re: PostgreSQL Developer Best Practices

> On Sat, Aug 22, 2015 at 1:16 PM, Tom Lane <tgl@sss.pgh.pa.us <mailto:tgl@sss.pgh.pa.us>> wrote:
>
>     Melvin Davidson <melvin6925@gmail.com <mailto:melvin6925@gmail.com>> writes:
>     >> Best Practice would rather be something along the lines:
>     >>>> Avoid coding in a way that triggers "WARNING:
>     >>>> nonstandard use of escape in a string literal". If you
>     >>>> cannot comply with this rule document your reasons.
>
>     > Thanks for the suggestion. For the past few months I've been dealing with
>     > an error log that is filled with these warnings simply because
>     > the developers do not comprehend how to use ( or the requirement to use)
>     > an escape clause.
>
>     IMO best practice in this area is "run with standard_conforming_strings = ON".
>     If you're seeing this warning at all, it's because you aren't doing that,
>     which means your code is unnecessarily unportable to other DBMSes.
>     Adopting a coding policy of always using E'' would make that worse.
>
>                              regards, tom lane
>

On 08/22/2015 02:40 PM, Melvin Davidson wrote:
> Tom,
>
> Thank you for pointing out "run with standard_conforming_strings = ON"..
> However, that is NOT the problem.
> What is occurring is that the developers are sending strings like 'Mr. M\'vey',
> which, if we set standard_conforming_strings = ON, would, and does, result in errors and the statement failing,
> which is a lot less desirable that a simple warning.
>
> Therefore, I am trying to educate the developers in the proper method of escaping strings,
> instead of loading up the error log with annoying warnings.
>


Please dont top post.

But you are not educating them correctly.  Using E'' isnt right.  The correct way to escape a quote is to double quote
it: 'Mr. M''vey' 

-Andy