Re: BETWEEN SYMMETRIC/ASYMMETRIC - Mailing list pgsql-hackers

From Tom Lane
Subject Re: BETWEEN SYMMETRIC/ASYMMETRIC
Date
Msg-id 1456.1018413343@sss.pgh.pa.us
Whole thread Raw
In response to Re: BETWEEN SYMMETRIC/ASYMMETRIC  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
Responses Re: BETWEEN SYMMETRIC/ASYMMETRIC  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
List pgsql-hackers
"Christopher Kings-Lynne" <chriskl@familyhealth.com.au> writes:
> Can someone comment on my use of %prec BETWEEN?  Is that still correct now
> that we have the extra BETWEEN forms?

Looks fine.  AFAICS we want all these forms to have the binding
precedence assigned to BETWEEN.  If you don't do the %prec thing
then the productions will have the precedence of their rightmost
terminal symbol, ie, AND, ie, wrong.
        regards, tom lane


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