On 2017-04-25 21:11:08 +0000, Doug Doole wrote:
> When I did this in DB2, I didn't use the parser - it was too expensive. I
> just tokenized the statement and used some simple rules to bypass the
> invalid cases. For example, if I saw the tokens "ORDER" and "BY" then I'd
> disallow replacement replacement until I hit the end of the current
> subquery or statement.
How did you manage plan invalidation and such?
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