[antlr-interest] sql parser
William Lam
xeenman at yahoo.com
Tue Jan 27 10:38:48 PST 2004
Hi,
I am writing a sql parser similar to the Microsoft SELECT example on
the antlr website. I have a very complicated query (several pages)
that just hangs the parser.
It has many sql IN statements
i.e.
SELECT 1 FROM bar WHERE foo IN (SELECT 1 FROM bar WHERE foo IN ( ...
etc etc etc)
so the IN clause can go on forever
The main grammar of the IN clause is
IN LPAREN (
(selectStatement) => selectStatement
| expression (COMMA expression)*
) RPAREN
the syntatic predicate is needed because both the selectStatment &
expression rule can start with a LPAREN
any ideas?
wil
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