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No.	query	time
1	let $all := collection("weblog")/user/blog/post[@status="published"][not(@private='yes')][contains("ensk",@lang)], $list := subsequence( for $i in $all order by ( if ($i/dateTopOut) then xs:integer($i/dateTopOut/@timestamp) else (if ($i/dateTop) then (xs:integer($i/date/@timestamp)+360024720) else xs:integer($i/date/@timestamp)) ) descending return $i,1,20), $last := count($all), $posts:= (for $current in $list let $user := $current/ancestor::user return <post>{$current/@ID}{$current/@lang}{$current/@accessCount} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$current/*} </post> ) return <module name="Articles"><newPosts last="{$last}" end="20" start="1">{$posts}</newPosts></module>	0.312361001968
2	for $i in collection("weblog")/user let $lastName:=if ($i/info/lastName!="") then lower-case(translate($i/info/lastName/text(),"áéíóuýčďľĺňôřšťžÁÉÍÓÚÝČĎĽĹŇÔŘŠŤŽ","aeiouycdllnorstzaeiouycdllnorstz")) else $i/info/nick/text(), $realName:=if ($i/info/realName!="") then $i/info/realName/text() else $i/info/nick/text() where count($i/blog/post[contains("ensk",@lang)])>0 order by $lastName ascending return <user> {$i/info/nick} {$i/info/email} <realName>{$realName}</realName> <lastName>{$lastName}</lastName> </user>	0.0333731174469
3	subsequence( (for $i in collection("weblog")/user/blog/post[@status="published"][contains("ensk",@lang)][ranks/reputationScore>5][tags/tag="kr09"] let $user := $i/ancestor::user order by ( if ($i/ranks/reputationScore) then xs:double($i/ranks/reputationScore) else xs:double(0.0) ) descending return <post>{$i/@*} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$i/title} {$i/subtitle} {$i/ranks} </post>) ,1,10)	0.0454478263855
4	subsequence( (for $i in collection("weblog")/user/blog/post[@status="published"][contains("ensk",@lang)][tags/tag="kr09"][@accessCount>50] let $user := $i/ancestor::user order by xs:integer($i/@accessCount) descending return <post>{$i/@ID}{$i/@lang}{$i/@accessCount} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$i/title} {$i/subtitle} </post>) ,1,10)	0.0428528785706
5	subsequence( (for $tag in collection("weblog")/tags/tag[contains("ensk",@lang)]order by $tag/@strength return <tag strength="{$tag/@strength}">{data($tag/@canonical)}</tag> ),1,50)	0.00995802879333
*	total time	0.443992853165

No.

query

time

let $all := collection("weblog")/user/blog/post[@status="published"][not(@private='yes')][contains("ensk",@lang)], $list := subsequence( for $i in $all order by ( if ($i/dateTopOut) then xs:integer($i/dateTopOut/@timestamp) else (if ($i/dateTop) then (xs:integer($i/date/@timestamp)+3600*24*720) else xs:integer($i/date/@timestamp)) ) descending return $i,1,20), $last := count($all), $posts:= (for $current in $list let $user := $current/ancestor::user return <post>{$current/@ID}{$current/@lang}{$current/@accessCount} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$current/*} </post> ) return <module name="Articles"><newPosts last="{$last}" end="20" start="1">{$posts}</newPosts></module>

0.312361001968

for $i in collection("weblog")/user let $lastName:=if ($i/info/lastName!="") then lower-case(translate($i/info/lastName/text(),"áéíóuýčďľĺňôřšťžÁÉÍÓÚÝČĎĽĹŇÔŘŠŤŽ","aeiouycdllnorstzaeiouycdllnorstz")) else $i/info/nick/text(), $realName:=if ($i/info/realName!="") then $i/info/realName/text() else $i/info/nick/text() where count($i/blog/post[contains("ensk",@lang)])>0 order by $lastName ascending return <user> {$i/info/nick} {$i/info/email} <realName>{$realName}</realName> <lastName>{$lastName}</lastName> </user>

0.0333731174469

subsequence( (for $i in collection("weblog")/user/blog/post[@status="published"][contains("ensk",@lang)][ranks/reputationScore>5][tags/tag="kr09"] let $user := $i/ancestor::user order by ( if ($i/ranks/reputationScore) then xs:double($i/ranks/reputationScore) else xs:double(0.0) ) descending return <post>{$i/@*} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$i/title} {$i/subtitle} {$i/ranks} </post>) ,1,10)

0.0454478263855

subsequence( (for $i in collection("weblog")/user/blog/post[@status="published"][contains("ensk",@lang)][tags/tag="kr09"][@accessCount>50] let $user := $i/ancestor::user order by xs:integer($i/@accessCount) descending return <post>{$i/@ID}{$i/@lang}{$i/@accessCount} <user>{$user/@ID}{$user/@type} {$user/info/nick} {$user/info/realName} </user> {$i/title} {$i/subtitle} </post>) ,1,10)

0.0428528785706

subsequence( (for $tag in collection("weblog")/tags/tag[contains("ensk",@lang)]order by $tag/@strength return <tag strength="{$tag/@strength}">{data($tag/@canonical)}</tag> ),1,50)

0.00995802879333

total time

0.443992853165

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