Evan Lavelle wrote:
Check the logs, as Hans suggests. For starters, though, what's this:
NOT IN ((SELECT '*' FROM SCONST))
What sort of 'search_cond' is it? First branch, second branch, or both?
It can't be both; that's a conflict.
Sorry, didn't read your first post; seems you already knew t
Check the logs, as Hans suggests. For starters, though, what's this:
NOT IN ((SELECT '*' FROM SCONST))
What sort of 'search_cond' is it? First branch, second branch, or both?
It can't be both; that's a conflict.
Evan
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On 8 May 2008, at 17:49, RichardT wrote:
please let me know if there is another forum
where I
can post my question.
The Usenet newsgroup comp.compilers.
I am writing a parser to parse SQL (actually T-SQL for MS Sql Server).
Or netsearch for links like
http://savage.net.au/SQL/
I am
get
7;(' expression ')'
| '(' query_specification ')'
;
query_specification:SELECT '*' FROM table
;
table: SCONST
;
%%
--
View this message in context:
http://www.nabble.com/SQL-grammar-t
=
The ambiguity arise when I give a statement like this:
Statement #3:
select b from s where b not in ( (select a from t where a = 1) );
The parser can treat the search condition as an exp_list or a query_list.
Can someone point me out how to formulate
