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* mu-store.cc: some optimizations, and add the possibility to use the slightly

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faster 'add_document' instead of 'replace_document' (it's not used yet though)
This commit is contained in:
Dirk-Jan C. Binnema
2011-04-30 11:31:34 +03:00
parent fda03bd562
commit efa026648b
4 changed files with 40 additions and 21 deletions
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42
src/mu-store.cc
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@ -47,7 +47,7 @@ struct _MuStore {
_MuStore (const char *xpath, const char *contacts_cache) :
_db (xpath, Xapian::DB_CREATE_OR_OPEN), _in_transaction(0),
_processed (0), _trx_size(MU_STORE_DEFAULT_TRX_SIZE), _contacts (0),
_version (0){
_version (0) {
if (!check_version (this))
throw std::runtime_error
@ -84,7 +84,7 @@ struct _MuStore {
int _processed;
size_t _trx_size;
guint _batchsize; /* batch size of a xapian transaction */
/* contacts object to cache all the contact information */
MuContacts *_contacts;
@ -456,7 +456,6 @@ xapian_pfx (MuMsgContact *contact)
}
static void
each_contact_info (MuMsgContact *contact, MsgDoc *msgdoc)
{
@ -488,25 +487,33 @@ each_contact_info (MuMsgContact *contact, MsgDoc *msgdoc)
}
}
/* get a unique id for this message */
static std::string
/* get a unique id for this message; note, this function returns a
* static buffer -- not reentrant */
static const char*
get_message_uid (const char* path)
{
static const std::string pathprefix
(1, mu_msg_field_xapian_prefix(MU_MSG_FIELD_ID_PATH));
char pfx = 0;
static char buf[PATH_MAX + 10];
if (G_UNLIKELY(!pfx)) {
pfx = mu_msg_field_xapian_prefix(MU_MSG_FIELD_ID_PATH);
buf[0]=pfx;
}
return pathprefix + path;
strcpy (buf + 1, path);
return buf;
}
static const std::string
/* get a unique id for this message; note, this function returns a
* static buffer -- not reentrant */
static const char*
get_message_uid (MuMsg *msg)
{
return get_message_uid (mu_msg_get_path(msg));
return get_message_uid (mu_msg_get_path(msg));
}
MuResult
mu_store_store (MuStore *store, MuMsg *msg)
mu_store_store (MuStore *store, MuMsg *msg, gboolean replace)
{
g_return_val_if_fail (store, MU_ERROR);
g_return_val_if_fail (msg, MU_ERROR);
@ -529,8 +536,15 @@ mu_store_store (MuStore *store, MuMsg *msg)
(MuMsgContactForeachFunc)each_contact_info,
&msgdoc);
/* we replace all existing documents for this file */
id = store->_db.replace_document (uid, newdoc);
/* add_document is slightly
faster, we can use it when
* we know the document does not exist yet, eg., in
* case of a rebuild */
if (replace) /* we replace all existing documents for this file */
id = store->_db.replace_document (uid, newdoc);
else
id = store->_db.add_document (newdoc);
++store->_processed;
commit_trx_if (store,
store->_processed % store->_trx_size == 0);