128 lines
3.7 KiB
Plaintext
128 lines
3.7 KiB
Plaintext
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Database: opt
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Restore : No
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Operator : PSTREAM1
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Number : 1
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Signature: ((stream(ptuple(y)) ...) -> stream(tuple(y))
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Example : query plz pfeed[500] puse[fun (s: PSTREAM1) s head[5]] pdelete count
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Result : 5
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Operator : PSTREAM2
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Number : 1
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Signature: ((...) (stream(ptuple(y)) ...) -> stream(tuple(y))
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Example : query plz pfeed[500] plz pfeed[100] pjoin2[ symj: . .. {a2} symmjoin[.PLZ = ..PLZ_a2], smj: . .. {a2} sortmergejoin[PLZ, PLZ_a2] ] pdelete count
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Result : 248793
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Operator : memshuffle
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Number : 1
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Signature: stream(tuple(y)) -> stream(tuple(y))
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Example : query plz feed memshuffle count
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Result : 41267
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Operator : memshuffle
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Number : 2
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Signature: stream(ptuple(y)) -> stream(ptuple(y))
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Example : query plz pfeed[1000] memshuffle pdelete count
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Result : crashes
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Remark : Currently, this overloaded operator is not implemented yet!
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Operator : memshuffle2
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Number : 1
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Signature: stream(tuple(y)) -> stream(tuple(y))
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Example : query plz feed memshuffle2 count
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Result : 41267
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Operator : pcreate2
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Number : 1
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Signature: stream(tuple(y)) x int x int -> stream(ptuple(y))
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Example : query plz feed pcreate2[100, 42167] pdelete count
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Result : bug
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Remark : Not implemented yet!
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Operator : pcreate
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Number : 1
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Signature: stream(tuple(y)) x int -> stream(ptuple(y))
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Example : query plz feed pcreate[100] pdelete count
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Result : 41267
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Operator : pdelete
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Number : 1
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Signature: stream(ptuple(y) -> stream(tuple(y))
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Example : query plz pfeed[500] pdelete count
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Result : 41267
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Operator : pfeed
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Number : 1
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Signature: rel(tuple(y) -> stream(ptuple(y))
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Example : query plz pfeed[500] pdelete count
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Result : 41267
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Operator : pjoin1
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Number : 1
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Signature: ( stream(ptuple(y1)) rel(tuple(y2)) ( ( map (stream(tuple(y1))) (rel(tuple(y2))) (stream(tuple(z))) ) ... N repeats ... ))-> (stream(ptuple(z))).
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Example : query Staedte pfeed[100] puse[. {arg1}] plz pjoin1[ 1; symj: . .. feed head[1000] {1} filter[.PLZ < 50000] head[500] {2} symmjoin[.SName_arg1 = ..Ort], ilj: . loopjoin[fun(t1: TUPLE) plz_Ort .. exactmatch[attr(t1, SName_arg1)] filter[.PLZ < 50000] {3} ]] pdelete count
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Result : 4340
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Operator : pjoin2
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Number : 1
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Signature: ( stream(ptuple(y1)) stream(ptuple(y2)) ( ( map (stream(tuple(y1))) (stream(tuple(y2))) (stream(tuple(z))) ) ... N repeats ... ))-> (stream(ptuple(z))).
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Example : query plz pfeed[500] plz pfeed[100] pjoin2[ symj: . .. {a2} symmjoin[.PLZ = ..PLZ_a2], smj: . .. {a2} sortmergejoin[PLZ, PLZ_a2] ] pdelete count
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Result : 248793
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Operator : pshow
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Number : 1
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Signature: stream(ptuple(y)) -> stream(ptuple(y))
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Example : query plz pfeed[4000] pshow pdelete count
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Result : 41267
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Operator : puse
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Number : 1
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Signature: stream(ptuple(y) x ( stream(tuple(y)) -> stream(tuple(y)) ) -> stream(tuple(y))
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Example : query plz pfeed[500] puse[. filter[.PLZ = 44227]] pdelete count
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Result : 1
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Operator : shuffle
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Number : 1
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Signature: stream(tuple(y)) -> stream(tuple(y))
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Example : query plz feed shuffle count
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Result : 41267
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Operator : shuffle
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Number : 2
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Signature: stream(ptuple(y)) -> stream(ptuple(y))
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Example : query plz pfeed[1000] shuffle pdelete count
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Result : crashes
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Remark : Currently, this overloaded operator is not implemented yet!
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Operator : shuffle2
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Number : 1
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Signature: stream(tuple(y)) -> stream(tuple(y))
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Example : query plz feed shuffle2[41267] count
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Result : 41267
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Operator : shuffle3
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Number : 1
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Signature: stream(tuple(y)) -> stream(tuple(y))
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Example : query plz feed shuffle3 count
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Result : 41267
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Operator : runtime
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Number : 1
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Signature: string x int x int x real x real x real x (map ... -> int) -> int
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Example : query runtime("hj", 50, 50, 1.0, 1.0, 1.0, plz feed head[50] plz feed head[50] {A2} hashjoin[PLZ, PLZ_A2, 9997] count)
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Result : 50
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