diff options
| -rw-r--r-- | vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb index 53541cb66..3f71d8e3c 100644 --- a/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb +++ b/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb @@ -206,11 +206,11 @@ module ActsAsXapian prepare_environment - new_path = @@db_path + suffix + full_path = @@db_path + suffix raise "writable_suffix/suffix inconsistency" if @@writable_suffix && @@writable_suffix != suffix # for indexing - @@writable_db = Xapian::WritableDatabase.new(new_path, Xapian::DB_CREATE_OR_OPEN) + @@writable_db = Xapian::WritableDatabase.new(full_path, Xapian::DB_CREATE_OR_OPEN) @@term_generator = Xapian::TermGenerator.new() @@term_generator.set_flags(Xapian::TermGenerator::FLAG_SPELLING, 0) @@term_generator.database = @@writable_db @@ -509,7 +509,7 @@ module ActsAsXapian # logging in the database that it has been. def ActsAsXapian.update_index(flush = false, verbose = false) # STDOUT.puts("start of ActsAsXapian.update_index") if verbose - + # Before calling writable_init we have to make sure every model class has been initialized. # i.e. has had its class code loaded, so acts_as_xapian has been called inside it, and # we have the info from acts_as_xapian. @@ -519,6 +519,12 @@ module ActsAsXapian ActsAsXapian.writable_init + # Abort if full rebuild is going on + new_path = ActsAsXapian.db_path + ".new" + if File.exist?(new_path) + raise "aborting incremental index update while full index rebuild happens; found existing " + new_path + end + ids_to_refresh = ActsAsXapianJob.find(:all).map() { |i| i.id } for id in ids_to_refresh job = nil @@ -566,8 +572,12 @@ module ActsAsXapian end end - # You must specify *all* the models here, this totally rebuilds the Xapian database. - # You'll want any readers to reopen the database after this. + # You must specify *all* the models here, this totally rebuilds the Xapian + # database. You'll want any readers to reopen the database after this. + # + # Incremental update_index calls above are suspended while this rebuild + # happens (i.e. while the .new database is there) - any index update jobs + # are left in the database, and will run after the rebuild has finished. def ActsAsXapian.rebuild_index(model_classes, verbose = false) raise "when rebuilding all, please call as first and only thing done in process / task" if not ActsAsXapian.writable_db.nil? @@ -582,12 +592,6 @@ module ActsAsXapian ActsAsXapian.writable_init(".new") # Index everything - # XXX not a good place to do this destroy, as unindexed list is lost if - # process is aborted and old database carries on being used. Perhaps do in - # transaction and commit after rename below? Not sure if thenlocking is then bad - # for live website running at same time. - - ActsAsXapianJob.destroy_all batch_size = 1000 for model_class in model_classes model_class.transaction do |