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Be aware that there are some places where you can't use placeholders, even if your DBD supports them. The two which I hit most often are that you can't use a placeholder for a table name; and that you can't use placeholders for variable-length WHERE IN('foo', 'bar', 'baz') constructs. Another I have come across less often is the multiple-record INSERT variation.

This is because all of those alter the structure of the query, as opposed to just plugging different constant values into the same query.


In reply to Re: What are placeholders in DBI, and why would I want to use them? by DrHyde
in thread What are placeholders in DBI, and why would I want to use them? by btrott

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