> But two things here are unclear to me:
> - What's insufficient with `->queryString` and other existing features?
> Does one of these overlap with `->queryString` or not?
>
The output of ATTR_SQL and queryString are essentially the same;
ATTR_EXPANDED_SQL is the novelty that gives you access to the resolved
prepared statement.  So the ATTR_SQL is there mostly for completion, if
ever something changes in terms of how PHP does pre-prepare handling this
could have utility.

- What's so special about SQLite? Wouldn't the same need be just as present
> for any other driver?
>
>
Nothing special, just that it provides library functionality to get this
data programmatically.

-- 
Ilia Alshanetsky
Technologist, CTO, Entrepreneur
E: [email protected]
T: @iliaa
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