Subject: Re: [xsl] Which is faster: count(/Document/A/B) eq 1 ... or ... /Document/A/(count(B) eq 1) ? From: Вячеслав Седов <schematronic@xxxxxxxxx> Date: Wed, 19 Sep 2012 17:41:57 +0400 |
probably not(/Document/A[B]/B[2]) 2012/9/19 Costello, Roger L. <costello@xxxxxxxxx>: > Hi Folks, > > Consider this XML document: > > <Document> > <A> > <B>blah</B> > </A> > </Document> > > Here are two XPath expressions to test that there is exactly one <B> element in the <A> element (assume there is only one <A> element): > > 1. count(/Document/A/B) eq 1 > > 2. /Document/A/(count(B) eq 1) > > Which is faster? > > Is there an XPath expression, besides the ones listed, that is even better and faster? > > /Roger
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