Re: [GENERAL] interesting PHP/MySQL thread

Looks like there's some parts of that that would make a good todo.

nolan(at)celery(dot)tssi(dot)com wrote:

>>>Personally, if I want case insensitivity, I'll WRITE IT INTO THE CODE,
>>>but I can see how some people might think that 'NOLAN', 'Nolan' and
>>>'nolan' should be considered as the same data.
>>
>>Oh, you mean like "SELECT * FROM table WHERE field ~* 'nolan';"?
>
>
> No, I mean as in "SELECT * FROM table WHERE field = 'nolan';"
>
> That will match values with any combination of upper and lower case
> letters that fold to 'nolan': 'Nolan', 'NOLAN', etc.
>
> Also, unlike PostgreSQL (at least in 7.3), if you define an index on
> the column, mysql appears to use it for LIKE queries.
>
> "SELECT * FROM table WHERE field LIKE 'nolan%';"
>
> is very fast in mysql but not in 7.3, and even non-anchored LIKE searches
> in mysql appear to be using the index.
>
> "SELECT * FROM table WHERE field LIKE '%nolan%';"
>
> executes considerably faster with an index on field than without one.
> --
> Mike Nolan
>
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