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I use sqldf to join 2 dataframes from 2 distinct databases : a and b come from old sqldf's. sqldf("select a.*, b.*, case a.QTY when null then b.QTY else a.QTY end as NEW_QTY" from a inner join b on a.OBJECT=b.OBJECT") R doesn't understand "when null". I tried with "when NA", "when '' ", "when ' ' " but it doesn't

Hello, Is there advancements in snippeting? (Besides what mentioned in the wiki.) I think extracting snippets is clearly IR task. And I hope Xapian will provide at least helpers to do that. I have set of documents up to 5M of extracted text and 1M in average (they are even bigger pdfs but I pre-extracted text into some sort of text cache, pdftotext is very slow). To parse ~1M documents on the fly

Hi, I want to print all the records from the passed database when the search string is not present. I quickly skimmed through the API but I couldn't find a way to do it. Can someone show some pointers. Thanks, Shri

Xapian 1.4.16 can now be downloaded from: https://xapian.org/download This release is mainly composed of bug fixes. The wiki has the usual summary of the most notable changes: https://trac.xapian.org/wiki/ReleaseOverview/1.4.16 A big thanks to Robert Stepanek, srinivasyadav22, boda sadalla, sec^nd, Lucas R., Gaurav Arora, Dipanshu Garg, Eric Wong, and Dan Callaghan for helping to make this