Where did you get that understanding? https://github.com/mblakele/xqysp
mentions groups and shows parens as part of the grammar.
> Recently I needed to parse a fairly sophisticated search syntax for a
> project. I needed a pure XQuery solution, and MarkLogic's built-in search API
> wouldn't handle some of the syntax: nested groups, for example. So I wrote
> another one.
...
> L ::= expr*
> expr ::= group | infixExpr | term
> group ::= prefixOp? '(' expr* ')'
> ...
Still in doubt? Construct a test. Here's one.
import module namespace p="com.blakeley.xqysp" at "xqysp.xqy";
p:parse(
'(alpha
OR (beta AND X=(gamma))
OR (delta))
AND fubar')
=>
<root xmlns="com.blakeley.xqysp">
<expression op="AND" type="infix">
<expression op="OR" type="infix">
<literal>alpha</literal>
<expression op="AND" type="infix">
<literal>beta</literal>
<field name="X" op="=">
<literal>gamma</literal>
</field>
</expression>
<literal>delta</literal>
</expression>
<literal>fubar</literal>
</expression>
</root>
-- Mike
On 9 Dec 2012, at 09:41 , Abhishek53 S <[email protected]> wrote:
> Hi All,
>
> As per my understanding XQYSP completely ignores parenthesis [Applying
> precedence to query] so all the query will be parsed from left to right
> precedence.
>
> Do we have any suggestion on how/where to change query to consider
> parenthesis as precedence.
> Thanks in advance!!!
>
> Abhishek Srivastav
> Tata Consultancy Services
> Cell:- +91-9883389968
> Mailto: [email protected]
> Website: http://www.tcs.com
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