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Re: Upgrading our minimum required flex version for 8.5

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Upgrading our minimum required flex version for 8.5
Date: 2009-07-02 15:07:13
Message-ID: 4A4CCD21.90403@dunslane.net (view raw or flat)
Thread:
Lists: pgsql-hackers

Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
>   
>> I think it would need to be benchmarked. My faint recollection is that 
>> the re-entrant lexers are slower.
>>     
>
> The flex documentation states in so many words:
>
> 	The option `--reentrant' does not affect the performance of the scanner.
>
> Do you feel a need to verify their claim?
>
>
>   

No, I'll take their word for it. I must have been thinking of something 
else.

cheers

andrew

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