transformation question

> Hi,
>
>
>
> I did try simple xquery on sandbox, take o look at log.
>
>
>
> Question: is it really need to do same transformation several times (20!!!)?
>
> I don't have any experience at that and see only two solutions:
>
> 1.       Use a set for options.
>
> 2.       Use a check to merge two options if they near.
>
>
>
> Dima
>
>
>
> Log:
>
>
>
> 2008-09-08 22:21:29,937 [P1-8] DEBUG (XQuery.java [compile]:161) - Query
> diagnostics:
>
> for  <1>
>
>     $speech in [root-node]
>
>     (# exist:optimize #)
>
>     {
>
>         descendant-or-self::SPEECH[child::LINE &= "love"]
>
>     }
>
>
>
> return <2>
>
>     $speech
>
>
>
> 2008-09-08 22:21:29,937 [P1-8] DEBUG (XQuery.java [compile]:167) -
> Compilation took 16 ms
>
> 2008-09-08 22:21:30,281 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 344 ms
>
> 2008-09-08 22:21:30,437 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 578 ms
>
> 2008-09-08 22:21:30,453 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:30,578 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:30,578 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:30,578 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:30,609 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:30,703 [P1-8] DEBUG (NativeSerializer.java
> [serializeToReceiver]:107) - serializing document 2
> (/db/sandbox/xml-highlight.xsl) to SAX took 63
>
> 2008-09-08 22:21:30,781 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 219 ms
>
> 2008-09-08 22:21:30,781 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:30,984 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:31,000 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:31,000 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:31,000 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:31,078 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 94 ms
>
> 2008-09-08 22:21:31,078 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:31,187 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:31,187 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:31,187 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:31,203 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:31,218 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:31,218 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:31,343 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:31,343 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:31,343 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:31,343 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:31,390 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 47 ms
>
> 2008-09-08 22:21:31,390 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:31,546 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:31,546 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:31,546 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:31,546 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:31,578 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 32 ms
>
> 2008-09-08 22:21:31,578 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:31,718 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:31,718 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:31,718 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:31,734 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:31,781 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 63 ms
>
> 2008-09-08 22:21:31,781 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:32,031 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:32,031 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:32,031 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:32,046 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:32,062 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:32,062 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:32,234 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:32,234 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:32,234 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:32,234 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:32,250 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 16 ms
>
> 2008-09-08 22:21:32,250 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:32,421 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:32,421 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:32,421 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:32,421 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:32,437 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:32,437 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:32,625 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:32,625 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:32,625 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:32,625 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:32,640 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:32,640 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:32,859 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:32,859 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:32,859 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:32,859 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:32,890 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 47 ms
>
> 2008-09-08 22:21:32,890 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:33,093 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:33,093 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:33,093 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:33,093 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:33,109 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 16 ms
>
> 2008-09-08 22:21:33,109 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:33,312 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:33,312 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:33,312 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:33,312 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:33,343 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:33,343 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:33,562 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:33,562 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:33,578 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:33,578 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:33,593 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:33,593 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:34,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:34,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:34,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:34,171 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:34,187 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 16 ms
>
> 2008-09-08 22:21:34,187 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:36,703 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:36,703 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:36,718 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:36,718 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:36,734 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:36,734 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:36,937 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:36,937 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:36,953 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:36,953 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:36,953 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 16 ms
>
> 2008-09-08 22:21:36,953 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:37,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:37,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:37,171 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:37,171 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:37,187 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 31 ms
>
> 2008-09-08 22:21:37,187 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:37,390 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:37,390 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:37,390 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:37,390 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:37,406 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 16 ms
>
> 2008-09-08 22:21:37,406 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
> 2008-09-08 22:21:37,656 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> media-type = text/xml
>
> 2008-09-08 22:21:37,656 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma:
> omit-xml-declaration = no
>
> 2008-09-08 22:21:37,656 [P1-8] DEBUG (XQueryContext.java
> [checkOptions]:2546) - Setting serialization property from pragma: indent =
> no
>
> 2008-09-08 22:21:37,656 [P1-8] DEBUG (TransformerFactoryAllocator.java
> [getTransformerFactory]:98) - Set transformer factory:
> org.apache.xalan.processor.TransformerFactoryImpl
>
> 2008-09-08 22:21:37,687 [P1-8] DEBUG (XQuery.java [execute]:220) - Execution
> took 47 ms
>
> 2008-09-08 22:21:37,687 [P1-8] DEBUG (HTTPUtils.java
> [addLastModifiedHeader]:61) - mostRecentDocumentTime: 0
>
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