Parsing some but not all of SQL

"GuaGuaHuang" <3328749@sina.com>
25 Sep 2002 23:57:43 -0400

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Related articles
Parsing some but not all of SQL 3328749@sina.com (GuaGuaHuang) (2002-09-25)
Re: Parsing some but not all of SQL Mark.van.den.Brand@cwi.nl (M.G.J. van den Brand) (2002-10-13)
Re: Parsing some but not all of SQL surgeonde@yahoo.de (Hannes liesen) (2002-10-13)
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From: "GuaGuaHuang" <3328749@sina.com>
Newsgroups: comp.compilers
Date: 25 Sep 2002 23:57:43 -0400
Organization: Bentium Ltd. (CN99)
Keywords: parse, SQL
Posted-Date: 25 Sep 2002 23:57:43 EDT

I am using yacc&lex to analysis a SQL batch. I only want to find out
the SELECT statements in the batch and make some transformation to
them. Other statements will not be changed.


Must I write a full syntax of SQL, or are there some other simple
ways?
[Since it's usually pretty simple to find the statement boundaries in SQL,
you can probably look at the first token of each statement, if it's
SELECT parse it and change it, if not just skip up to the next statement.
-John]



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