Author: Filip Sergeys
Email: [EMAIL PROTECTED]
Here are some more details about result error in php (see mail 7 feb: "small error in
Search on : winter
returns : 152 results
Search on : timber
returns : 2 results
Search on : tracks
returns : 10 results
Search on : timber AND tracks
returns : 1 result
Search on : timber OR tracks
returns : 11 results
Search on winter NOT timber
returns : 150 results => as expected 152 - 2
Search on (timber OR tracks) AND winter
returns : 6 results
This means that: if you search on all sites that contain the word
winter but not the words timber or tracks you must receive:
152 links with winter minus 6 links because there are 6 links that contain the words
winter and the word tracks or timber
Search on winter NOT (timber OR tracks)
returns : 6 results => not as expected 152 - 6 = 146
! this is the same result as for (timber OR tracks) AND winter.
I also redid the query with: winter & ~(timber | tracks)
result : An error occured at '&&'
Platform Windows 95 and 98 and linux Redhat 6.2
Php version 22.214.171.124
Mysql on windows:3.20.25 Beta
Mysql on Linux: 3.20.30
Same problem occured on all platforms. Could this be a bug?
Has anybody else run similar test on accuracy and noticed the same problem?
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