sindice not executing OR properly

[jello...@gmail.com]

I have the following query

+(+(+s1 +horizontally +aligns +s2 ) and +(+s1 -overlaps +s2 ) and +(+"px less than qx") and +(+"py equals qy")) or +(+(+s1 +vertically +aligns +s2 ) and +(+s1 -overlaps +s2 ) and +(+"PY less than QY") and +(+"QX equals PX"))

When I type in just the first part of it before the OR, it yields 53 objects.  When I type in the second part of it, after the OR it yields 56 objects, which is correct.  But when I type in the complete query it yields 0 objects.  I've tried replacing the outer parenthesis with brackets but it doesn't understand. 

What am I missing?

[Renaud Delbru]

Hi

It is a question of oeprator precedence. You are mixing unary boolean
operators with binary operators. In your case, one of the unary operator
(+) has precedence over the OR operators. If you remove the +, then the
query works as expected:
http://sindice.com/search?q=%28%2B%28%2Bs1%20%2Bhorizontally%20%2Baligns%20%2Bs2%20%29%20and%20%2B%28%2Bs1%20-overlaps%20%2Bs2%20%29%20and%20%2B%28%2B%22px%20less%20than%20qx%22%29%20and%20%2B%28%2B%22py%20equals%20qy%22%29%29%20or%20%28%2B%28%2Bs1%20%2Bvertically%20%2Baligns%20%2Bs2%20%29%20and%20%2B%28%2Bs1%20-overlaps%20%2Bs2%20%29%20and%20%2B%28%2B%22PY%20less%20than%20QY%22%29%20and%20%2B%28%2B%22QX%20equals%20PX%22%29%29&nq=&fq=
--
Renaud Delbru

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