consistent ordering of multi-values in a field
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consistent ordering of multi-values in a field
by chrislusf
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Hi,
When using org.apache.lucene.document.Document.getValues(fieldName), will it be the same order that I added to the document? Suppose I add field1~value1, field1~value2, field2~value3 to a document. Later, maybe after several rounds of merging, will I always get an array of {value1,value2}? -- Chris Lu ------------------------- Instant Scalable Full-Text Search On Any Database/Application site: http://www.dbsight.net demo: http://search.dbsight.com Lucene Database Search in 3 minutes: http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes DBSight customer, a shopping comparison site, (anonymous per request) got 2.6 Million Euro funding! --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@... For additional commands, e-mail: java-user-help@... |
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Re: consistent ordering of multi-values in a field
by Michael McCandless-2
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Yes, order within the same field name should be preserved.
Mike On Tue, Jul 7, 2009 at 3:36 PM, Chris Lu<chris.lu@...> wrote: > Hi, > > When using org.apache.lucene.document.Document.getValues(fieldName), will it > be the same order that I added to the document? > > Suppose I add field1~value1, field1~value2, field2~value3 to a document. > Later, maybe after several rounds of merging, will I always get an array of > {value1,value2}? > > -- > Chris Lu > ------------------------- > Instant Scalable Full-Text Search On Any Database/Application > site: http://www.dbsight.net > demo: http://search.dbsight.com > Lucene Database Search in 3 minutes: > http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes > DBSight customer, a shopping comparison site, (anonymous per request) got > 2.6 Million Euro funding! > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscribe@... > For additional commands, e-mail: java-user-help@... > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@... For additional commands, e-mail: java-user-help@... |
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Re: consistent ordering of multi-values in a field
by chrislusf
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That's great and thanks for the super fast answer!
Another question if not thread-hijacking: Will the ordering of fields be preserved also? -- Chris Lu ------------------------- Instant Scalable Full-Text Search On Any Database/Application site: http://www.dbsight.net demo: http://search.dbsight.com Lucene Database Search in 3 minutes: http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes DBSight customer, a shopping comparison site, (anonymous per request) got 2.6 Million Euro funding! Michael McCandless wrote: > Yes, order within the same field name should be preserved. > > Mike > > On Tue, Jul 7, 2009 at 3:36 PM, Chris Lu<chris.lu@...> wrote: > >> Hi, >> >> When using org.apache.lucene.document.Document.getValues(fieldName), will it >> be the same order that I added to the document? >> >> Suppose I add field1~value1, field1~value2, field2~value3 to a document. >> Later, maybe after several rounds of merging, will I always get an array of >> {value1,value2}? >> >> -- >> Chris Lu >> ------------------------- >> Instant Scalable Full-Text Search On Any Database/Application >> site: http://www.dbsight.net >> demo: http://search.dbsight.com >> Lucene Database Search in 3 minutes: >> http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes >> DBSight customer, a shopping comparison site, (anonymous per request) got >> 2.6 Million Euro funding! >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscribe@... >> For additional commands, e-mail: java-user-help@... >> >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscribe@... > For additional commands, e-mail: java-user-help@... > > |
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Re: consistent ordering of multi-values in a field
by Michael McCandless-2
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On Tue, Jul 7, 2009 at 3:49 PM, Chris Lu<chris.lu@...> wrote:
> Will the ordering of fields be preserved also? Alas, no. This used to be true (before 2.3), but 2.3 broke it (mea culpa -- sorry!), and we're now going to fix it again in 2.9. LUCENE-1727 is tracking this. So in 2.9 it will be true, but in 2.3.x & 2.4.x it isn't. Mike --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@... For additional commands, e-mail: java-user-help@... |
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