W3C home > Mailing lists > Public > public-qt-comments@w3.org > February 2004

RE: [XQuery] MS-XQ-LC1-146

From: Michael Rys <mrys@microsoft.com>
Date: Mon, 23 Feb 2004 11:40:00 -0800
Message-ID: <EB0A327048144442AFB15FCE18DC96C7021E7C1F@RED-MSG-31.redmond.corp.microsoft.com>
To: <scott_boag@us.ibm.com>
Cc: <public-qt-comments@w3.org>, <public-qt-comments-request@w3.org>

Yes. This seems to resolve the issue.

Thanks
Michael

> -----Original Message-----
> From: scott_boag@us.ibm.com [mailto:scott_boag@us.ibm.com]
> Sent: Monday, February 23, 2004 11:31 AM
> To: Michael Rys
> Cc: public-qt-comments@w3.org; public-qt-comments-request@w3.org
> Subject: Re: [XQuery] MS-XQ-LC1-146
> 
> Hi Michael.  Paul wanted me to give high priority to answering this
> particular issue (original mail at [1]).
> 
> Since the November document, the WG has agreed to change the
precedence of
> instance-of, treat, castable, and case (in response to a previous
issue
> raised [2] by you).  The precedence table is now looking more like:
> 
> 1       (comma)
> 2       FLWORExpr, some, every, TypeswitchExpr, IfExpr
> 3       or
> 4       and
> 5       eq, ne, lt, le, gt, ge, =, !=, <, <=, >, >=, is, <<, >>
> 6       to
> 7       +, -
> 8       *, div, idiv, mod
> 9       unary -, unary +
> 10      union, |
> 11      intersect, except
> 12      instance of
> 13      treat
> 14      castable
> 15      cast
> 16      ValidateExpr, /, //
> 17      [ ], ( )
> 
> so that these operators bind much more tightly.
> 
> In the most recent test parser, your expression parses fine:
> 
> Type Expression:
> "1" cast as xs:integer = "1.0" cast as xs:integer
> |QueryList
> |   Module
> |      MainModule
> |         Prolog
> |         QueryBody
> |            Expr
> |               ComparisonExpr =
> |                  CastExpr
> |                     PathExpr
> |                        StringLiteral "1"
> |                     CastAs cast as
> |                     SingleType
> |                        AtomicType
> |                           QNameForAtomicType xs:integer
> |                  CastExpr
> |                     PathExpr
> |                        StringLiteral "1.0"
> |                     CastAs cast as
> |                     SingleType
> |                        AtomicType
> |                           QNameForAtomicType xs:integer
> 
> Please let me know if this previously decided issue resolves
MS-XQ-LC1-146
> in your view.  Thanks!
> 
> -scott
> 
> 
> [1] [XQuery] MS-XQ-LC1-146
>
http://lists.w3.org/Archives/Public/public-qt-comments/2004Feb/0801.html
> 
> [2] Grammar issue: cast as
>
http://lists.w3.org/Archives/Member/w3c-xml-query-wg/2003Oct/0063.html
Received on Monday, 23 February 2004 14:40:03 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 7 January 2015 15:45:18 UTC