Re: [MonetDB-users] MonetDB XML - slow execution of query with test on attribute
17 Jun
2010
17 Jun
'10
8:26 a.m.
Hi Peter,
thank you for your answer. using pf:collection gives me a "Speicherzugriffsfehler" (/Segmentation fault)/ when executing the query you proposed. Is that a bug in MonetDB XML?
replacing "pf:collection" by "fn:collection" leads to Trans 55.436 msec Shred 19.083 msec Query 29241.029 msec Print 0.207 msec Timer 29582.455 msec
So it is basically the same query time :(
Patrick
Hi,
How about:
smiles> { for $i in pf:collection("tu") where $i//xq:molecule/@id = "1" return <smile>{$i}</smile> } </smiles>
is that any faster?
Peter
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Patrick Schäfer