[Xapian-discuss] Fwd: inmemory throwing DatabaseModifiedError
Andrew Betts
andrew.betts at ft.com
Tue Feb 11 08:12:25 GMT 2014
Hi,
I have a weird situation with an inmemory database, which appears to be
throwing a DatabaseModifiedError. I had a look at the Xapian test code and
found a comment that said:
// Inmemory never throws DatabaseModifiedError
But my code (PHP bindings):
$xapian_database = Xapian\Xapian::inmemory_open();
$xapian_database->add_document($xdoc);
$xapian_database->commit();
Is throwing:
DatabaseModifiedError: The revision being read has been discarded - you
should call Xapian::Database::reopen() and retry the operation
On the add_document line. Here's a backtrace:
#0: writabledatbase_add_document() in
/vendor/ftlabs/xapian-query/src/Xapian/XapianWritableDatabase.php:40
#1: add_document() in /app/classes/XapianDatabases:111
#2: filterQueriesForPost() in
/app/classes/indexingjobs/XapianStreamFinder.php:38
Any idea why this error would be thrown by an inmemory database? As I
understand it, there should be no reason why this database is subject to
interference outside of the process that creates it. In practice, these
errors are occurring when we have a large number of inmemory databases
being created and destroyed at the same time, so is there any way they
could be clashing?
Andrew
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