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* mu-query: create the query in a smarter way, which makes --include-related *much* faster

This commit is contained in:
djcb 2012-12-26 10:12:25 +02:00
parent e70f66647c
commit e456998e7d
2 changed files with 8 additions and 12 deletions
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18
lib/mu-query.cc
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@ -422,7 +422,7 @@ get_related_query (MuMsgIter *iter)
{
GHashTable *hash;
GList *id_list, *cur;
Xapian::Query query;
std::vector<Xapian::Query> qvec;
static std::string pfx (1, mu_msg_field_xapian_prefix
(MU_MSG_FIELD_ID_THREAD_ID));
@ -432,20 +432,16 @@ get_related_query (MuMsgIter *iter)
* References. */
id_list = g_hash_table_get_keys (hash);
/* now, let's create a new query matching all of those */
// g_print ("list: %u\n", (unsigned) g_list_length (id_list));
for (cur = id_list; cur; cur = g_list_next(cur)) {
query = Xapian::Query (Xapian::Query::OP_OR,
query,
Xapian::Query((std::string
(pfx + (char*)cur->data))));
}
// now, we create a vector with queries for each of the
// thread-ids, which we combine below. This is /much/ faster
// than creating the query as 'query = Query (OR, query)'...
for (cur = id_list; cur; cur = g_list_next(cur))
qvec.push_back (Xapian::Query((std::string (pfx + (char*)cur->data))));
g_hash_table_destroy (hash);
g_list_free (id_list);
/* now, `query' should match all related messages */
return query;
return Xapian::Query (Xapian::Query::OP_OR, qvec.begin(), qvec.end());
}

2
man/mu-find.1
View File

@ -439,7 +439,7 @@ same message, which is a common occurence when using e.g. Gmail together with
the matched messages -- i.e.. include messages that are part of the same
message thread as some matched messages. This is useful if you want
Gmail-style 'conversations'. Note, finding these related messages can take a
bit of time if there are more than a thousand matches.
bit of time if there are thousands of matches.
.TP
\fB\-t\fR, \fB\-\-threads\fR show messages in a 'threaded' format -- that is,