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Re^5: DBI: Identify schema objects for a statement

by jZed (Prior)
on Aug 30, 2007 at 15:36 UTC ( #636118=note: print w/ replies, xml ) Need Help??


in reply to Re^4: DBI: Identify schema objects for a statement
in thread DBI: Identify schema objects for a statement

Compared to say LIMIT clauses or concatenation operators or function names, yes. And what's so nonstandard about the table names in your example? They are all in the format "FROM x".


Comment on Re^5: DBI: Identify schema objects for a statement
Re^6: DBI: Identify schema objects for a statement
by rdfield (Priest) on Aug 31, 2007 at 10:56 UTC
    The with clause and inline views (in both the select and from clauses) and would cause many problems with anything but a reasonably close match to the SQL engine defined in Parse::RecDescent. I've previously written a tool to cross-reference function and procedure calls across packages which was hard enough to get right, parsing SQL to get a meaningful list of dependent objects would be a whole order of magnitude harder, IMO. I'm not saying it can't be done, I'm just pointing out that just looking for words after "from" wouldn't cut the mustard.

    rdfield

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