255 lines
7.4 KiB
Plaintext
255 lines
7.4 KiB
Plaintext
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Database: staedtememtest
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Restore : No
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Operator : GROUP
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Number : 1
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Signature: ((stream x)) -> (mrel x)
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Example : query Orte feed groupby[BevT; Number: fun(g1: GROUP) g1 count] consume
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Result : crashes
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Operator : TUPLE2
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Number : 1
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Signature: ((stream x) (stream y) ...) -> y, ((mrel x) (mrel y) ...) -> y
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Example : query ten feed ten feed {B} symmjoin[ fun(t1: TUPLE, t2: TUPLE2) attr(t1, no) = attr(t2, no_B)] count
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Result : bug
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Remark : not clear for what the operator can be used
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Operator : TUPLE
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Number : 1
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Signature: ((stream x)...) -> x, ((mrel x)...) -> x
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Example : query ten feed extend[No2: fun(t1: TUPLE) attr(t1, no) * 2] consume
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Result : file
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Operator : attr
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Number : 1
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Signature: ((tuple ((x1 t1)...(xn tn))) xi) -> ti)
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Example : query ten feed extend[No2: fun(t1: TUPLE) attr(t1, no)] count
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Result : 10
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Operator : avg
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x ai) -> real
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Example : query Staedte feed avg[Bev]
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Result : 325017.2413793103
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Operator : cancel
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Number : 1
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Signature: ((stream x) (map x bool)) -> (stream x)
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Example : query Staedte feed cancel [.SName = "Dortmund"] consume
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Result : crashes
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Operator : concat
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Number : 1
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Signature: ((stream (mtuple (a1:d1 ... an:dn))) (stream (mtuple (b1:d1 ... bn:dn)))) -> (stream (mtuple (a1:d1 ... an:dn)))
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Example : query ten feed ten feed concat consume
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Result : file
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Operator : consume
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Number : 1
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Signature: (stream x) -> (mrel x)
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Example : query ten feed consume
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Result : file
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Operator : count
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Number : 1
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Signature: ((stream/mrel (mtuple x))) -> int
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Example : query Orte count
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Result : 506
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Operator : extend
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Number : 1
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Signature: (stream(mtuple(x)) x [(a1, (mtuple(x) -> d1)) ... (an, (mtuple(x) -> dn))] -> stream(mtuple(x@[a1:d1, ... , an:dn])))
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Example : query ten feed extend [mult5 : .no * 5, mod2 : .no mod 2] consume
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Result : file
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Operator : extract
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x ai) -> di
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Example : query Staedte feed filter[.SName = "Dortmund"] extract[Bev]
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Result : 572000
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Operator : feed
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Number : 1
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Signature: (mrel x) -> (stream x)
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Example : query Staedte feed count
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Result : 58
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Operator : filter
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Number : 1
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Signature: ((stream x) (map x bool)) -> (stream x)
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Example : query Staedte feed filter [.Bev > 500000] consume
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Result : file
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Operator : groupby
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Number : 1
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Signature: ((stream (mtuple (a1:d1 ... an:dn))) (ai1 ... aik) ((bj1 (fun (mrel (mtuple (a1:d1 ... an:dn))) (_))) ... (bjl (fun (mrel (mtuple (a1:d1 ... an:dn))) (_))))) -> (stream (mtuple (ai1:di1 ... aik:dik bj1 ... bjl)))
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Example : query Orte feed sortby[BevT asc] groupby[BevT; Anzahl: group count] consume
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Result : crashes
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Operator : hashjoin
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn)))) (stream (mtuple ((y1 d1) ... (ym dm)))) xi yj nbuckets) -> (stream (mtuple ((x1 t1) ... (xn tn) (y1 d1) ... (ym dm))))
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Example : query Staedte feed {s} Orte feed {o} hashjoin[SName_s, Ort_o, 99997] count
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Result : 44
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Operator : head
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x int) -> (stream (mtuple([a1:d1, ... ,an:dn])))
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Example : query Staedte feed head[10] consume
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Result : file
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Operator : loopjoin
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Number : 1
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Signature: ((stream mtuple1) (map mtuple1 mrel(mtuple2))) -> (stream mtuple1*mtuple2)
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Example : query Staedte feed {s} loopjoin [fun(t:TUPLE) Orte feed filter [.Ort = attr(t, SName_s)]] count
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Result : 44
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Operator : loopjoinrel
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Number : 1
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Signature: ((stream mtuple1) (map mtuple1 mrel(mtuple2))) -> (stream mtuple1*mtuple2)
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Example : query Staedte feed {s} loopjoinrel [fun(t:TUPLE) Orte feed filter [.Ort = attr(t, SName_s)] consume] consume
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Result : crashes
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Operator : loopsel
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Number : 1
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Signature: ((stream mtuple1) (map mtuple1 mrel(mtuple2))) -> (stream mtuple2)
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Example : query Staedte feed {s} loopsel [fun(t:TUPLE) Orte feed filter [.Ort = attr(t, SName_s)]] consume
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Result : file
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Operator : max
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x ai) -> di
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Example : query Staedte feed max[Bev]
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Result : 1859000
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Operator : mergediff
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn)))) stream (mtuple ((x1 t1) ... (xn tn))))) -> (stream (mtuple ((x1 t1) ... (xn tn))))
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Example : query thousand feed ten feed mergediff count
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Result : 990
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Operator : mergejoin
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn)))) (stream (mtuple ((y1 d1) ... (ym dm)))) xi yj) -> (stream (mtuple ((x1 t1) ... (xn tn) (y1 d1) ... (ym dm))))
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Example : query Staedte feed sortby[SName asc] Orte feed sortby[Ort asc] {o} mergejoin[SName,Ort_o] count
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Result : 44
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Operator : mergesec
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn)))) stream (mtuple ((x1 t1) ... (xn tn))))) -> (stream (mtuple ((x1 t1) ... (xn tn))))
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Example : query ten feed thousand feed mergesec count
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Result : 10
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Operator : mergeunion
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn))))stream (mtuple ((x1 t1) ... (xn tn))))) -> (stream (mtuple ((x1 t1) ... (xn tn))))
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Example : query thousand feed thousand feed mergeunion count
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Result : 1000
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Operator : min
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x ai) -> di
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Example : query Staedte feed min[Bev]
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Result : 100000
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Operator : product
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Number : 1
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Signature: ((stream (mtuple (x1 ... xn))) (stream (mtuple (y1 ... ym)))) -> (stream (mtuple (x1 ... xn y1 ... ym)))
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Example : query ten feed thousand feed {t2} product count
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Result : 10000
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Operator : project
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Number : 1
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Signature: ((stream (mtuple ((x1 T1) ... (xn Tn)))) (ai1 ... aik)) -> (stream (mtuple ((ai1 Ti1) ... (aik Tik))))
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Example : query Staedte feed project[SName, Bev] consume
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Result : file
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Operator : rdup
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn])))) -> (stream (mtuple([a1:d1, ... ,an:dn])))
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Example : query ten feed ten feed concat sort rdup count
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Result : 10
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Operator : remove
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Number : 1
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Signature: ((stream (mtuple ((x1 T1) ... (xn Tn)))) (ai1 ... aik)) -> (stream (mtuple ((aj1 Tj1) ... (ajn-k Tjn-k))))
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Example : query Staedte feed remove[Vorwahl, Kennzeichen] consume
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Result : file
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Operator : rename
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn)))ar) -> (stream (mtuple([a1ar:d1, ... ,anar:dn)))
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Example : query ten feed rename [r1] consume
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Result : file
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Operator : sample
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Number : 1
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Signature: (mrel x) int real -> (stream x)
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Example : query Orte sample[0, 0.1] count
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Result : 50
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Operator : sort
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn])))) -> (stream (mtuple([a1:d1, ... ,an:dn])))
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Example : query Staedte feed sort consume
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Result : file
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Operator : sortby
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) ((xi1 asc/desc) ... (xij asc/desc))) -> (stream (mtuple([a1:d1, ... ,an:dn])))
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Example : query Orte feed sortby[BevT desc] consume
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Result : file
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Operator : sortmergejoin
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Number : 1
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Signature: ((stream (mtuple ((x1 t1) ... (xn tn)))) (stream (mtuple ((y1 d1) ... (ym dm)))) xi yj) -> (stream (mtuple ((x1 t1) ... (xn tn) (y1 d1) ... (ym dm))))
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Example : query Staedte feed Orte feed {o} sortmergejoin[SName, Ort_o] count
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Result : 44
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Operator : sum
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Number : 1
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Signature: ((stream (mtuple([a1:d1, ... ,an:dn]))) x ai) -> di
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Example : query Staedte feed sum[Bev]
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Result : 18851000
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Operator : mconsume
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Number : 1
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Signature: (stream tuple(x)) -> (mrel mtuple(x))
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Example : query Staedte2 feed mconsume count
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Result : 116
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