The timestamps were entered as free text in a web form. No checking of any kind - pick a format, any format. I have a roughly 200 line perl regexp script that has got (nearly)all of them into ISO format (YYYY-MM-DD).

Spotting who is currently a member is easy (apart from anything else, that info exists in another database I didn't tell you about). What I was looking for was a more elegant way of handling the other queries, e.g. using Date::Range, than a brute force approach...

In reply to Re: Re: Re: Re: Multiple date ranges by AndyH
in thread Multiple date ranges by AndyH

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