Subject Re: PHP and query plans
Author Ard Biesheuvel

The PHP/Firebird extension is a wrapper around the so-called DSQL API of
Firebird. This DSQL API has its own features and limitations, but
generally speaking, everything that DSQL provides should be available
through PHP/Firebird.

Specifying query plans is something DSQL does allow, but by means of the
SQL statement itself, not by using functions at the PHP level. That's the
reason there's nothing in the PHP source about plans (just like you won't
find JOIN or ORDER BY in the PHP/Firebird source either). There's
information about this on the Internet. Look for the Interbase 6
Documentation PDFs, this is still the most comprehensive manual available
at the moment, as far as I know.


Ard Biesheuvel
Research Scientist, Storage Systems & Applications Group

Room 1.50 (WY12)
High Tech Campus 37
5656 AE Eindhoven, The Netherlands
Tel: +31 40 27 42990
Email: ard.biesheuvel@...

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