paul_t100 at fastmail
Nov 3, 2009, 3:54 AM
Post #2 of 2
(117 views)
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Re: How do you map a query for fieldx to fieldy
[In reply to]
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Paul Taylor wrote:
> For backwards compatabiity I have to change queries for the track
> field to the recording field. I did this by overriding
> QueryParser.newQuery() as follows
>
> protected Query newTermQuery(Term term) {
> if ( term.field() == "track" ) {
> return super.newTermQuery(new Term("recording"term.text()));
> }
> else {
> return super.newTermQuery(term);
> }
> }
>
> this seemed to work, but then I realised it didnt work for
> phrasequeries so I have to override QueryParser.newPhraseQuery() but
> now thinking will fail for wilcard queries ectera. Is there just one
> method I can override to deal with this.
FYI, did this instead and seems to work
protected Query getFieldQuery(String field, String queryText) throws
ParseException {
if( field.equals("track") {
field=RecordingIndexField.RECORDING.getName();
}
return super.getFieldQuery(field,queryText);
}
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