[ http://issues.apache.org/jira/browse/DERBY-565?page=all ]
Mike Matrigali updated DERBY-565:
---------------------------------
Component: SQL
> Misleading parser diagnostics
> -----------------------------
>
> Key: DERBY-565
> URL: http://issues.apache.org/jira/browse/DERBY-565
> Project: Derby
> Type: Bug
> Components: SQL
> Reporter: Rick Hillegas
> Priority: Minor
>
> Bryan Pendleton reports:
> When I mistype 'join' as 'joing', the error message that I
> get actually complains about the word 'left'. It ought to,
> in my opinion, complain about the word 'joing', since that
> is truly the word with the syntax error in it.
> ij> select * from t1 left outer joing t2 on t1.c2=t2.c1;
> ERROR 42X01: Syntax error: Encountered "left" at line 1, column 18.
> I don't know if this is a PITA to fix or not, but I thought
> I'd send it along anyway since it was so easy to reproduce.
> -------------------------------------------------------
> This appears to be a problem with hand-coded lookahead logic. Although fixing
> this particular lookahead issue might be trivial, this is part of a larger
> problem since the parser is liberally peppered with similar hand-coded
> lookahead logic. Coming up with a general solution might involve some
> creativity.
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