65 lines
2.2 KiB
Plaintext
65 lines
2.2 KiB
Plaintext
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Database: testData/staedtetest
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Restore : YES
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Operator : createhash
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Number : 1
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Signature: (((rel (tuple (x1 t1)...(xn tn)))) xi) -> (hash (tuple ((x1 t1)...(xn tn))) ti)
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Example : query Staedte createhash[SName]
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Result : file
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Operator : createhash
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Number : 2
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Signature: ((stream (tuple (x1 t1)...(xn tn) (id tid))) xi) -> (hash (tuple ((x1 t1)...(xn tn))) ti)
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Example : query Staedte feed extend[ID: tupleid(.)] sortby[SName asc] createhash[SName]
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Result : file
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Operator : createhash
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Number : 3
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Signature: ((stream (tuple (x1 t1)...(xn tn) (id tid))) xi) -> (hash (tuple ((x1 t1)...(xn tn))) ti)
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Example : query Staedte createhash[SName] Staedte exactmatch["Bremen"] count
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Result : 1
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Operator : deletehash
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Number : 1
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Signature: stream(tuple(x@[TID tid])) x (hash(tuple(x) ti) xi) -> stream(tuple(x@[TID tid]))]
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Example : query Staedte feed filter[.Bev < 200000] Staedte deletedirect staedte_SName_h deletehash[SName] staedte_Bev_h deletehash[Bev] consume
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Result : file
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Operator : exactmatch
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Number : 1
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Signature: ((hash (tuple ((x1 t1)...(xn tn))) ti)(rel (tuple ((x1 t1)...(xn tn)))) ti) -> (stream (tuple ((x1 t1)...(xn tn))))
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Example : query staedte_SName_h Staedte exactmatch["Dortmund"] count
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Result : 1
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Operator : exactmatchS
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Number : 1
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Signature: (hash( (tuple(X))) ti) ti->)(stream((id tid)))
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Example : query staedte_SName_h exactmatchS["Bochum"] Staedte gettuples consume
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Result : file
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Operator : inserthash
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Number : 1
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Signature: stream(tuple(x@[TID tid])) x (hash(tuple(x) ti) xi) -> stream(tuple(x@[TID tid]))]
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Example : query Kleinstaedte feed Staedte insert staedte_SName_h inserthash[SName] staedte_Bev_h inserthash[Bev] consume
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Result : file
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Operator : updatehash
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Number : 1
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Signature: stream(tuple(x@[(a1_old x1)...(an_old xn)(TID tid)])) x (hash(tuple(x) ti) xi) -> stream(tuple(x@[(a1_old x1)...(an_old xn)(TID tid)]))]
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Example : query Staedte feed filter [.SName = "Saarbruecken"] Staedte updatedirect [SName: "Saarbr<62>cken"] staedte_Bev_h updatehash[Bev] staedte_SName_h updatehash[SName] count
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Result : 1
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Operator : getFileInfo
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Number : 1
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Signature: (hash(tuple(x) ti) xi) -> text
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Example : query isdefined(getFileInfo(staedte_Bev_h))
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Result : TRUE
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