Re: Escaping placeholders, take 2

Hi Darren

On 29/12/14 13:59, Darren Duncan wrote:
>
> The API could involve an 'attr' given when preparing a SQL statement or
> other appropriate places.
>
>    placeholder_escape_delimiters => [ '\{','}' ]
>    placeholder_escape_delimiters => [ '\{','}','\[',']' ]
>    placeholder_escape_delimiters => [ '\{{{','}}}' ]
>    placeholder_escape_delimiters => [ '{{{','}}}' ]
>
> In this way, the backslash is no longer special, or necessary, though I
> anticipate it would often still be used for the mnemonics.
>
> Rather, when the driver is parsing the SQL for placeholders, if it
> encounters any left delimiter strings, if will leave the following SQL
> unaltered until it encounters the corresponding right delimiter string,
> and then it looks for placeholders again.

Perhaps a job for https://metacpan.org/release/Text-Balanced-Marpa

-- 
Ron Savage - savage.net.au