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lib: add _notmuch_database_reopen

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The main expected use is to recover from a Xapian::DatabaseChanged
exception.
This commit is contained in:
David Bremner 2017-02-23 21:38:24 -04:00
parent ae731c183a
commit e17a914b77
3 changed files with 30 additions and 0 deletions
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4
lib/database-private.h
View file

@ -207,6 +207,10 @@ struct _notmuch_database {
unsigned long revision;
const char *uuid;
/* Keep track of the number of times the database has been re-opened
* (or other global invalidations of notmuch's caching)
*/
unsigned long view;
Xapian::QueryParser *query_parser;
Xapian::TermGenerator *term_gen;
Xapian::ValueRangeProcessor *value_range_processor;

23
lib/database.cc
View file

@ -951,6 +951,7 @@ notmuch_database_open_verbose (const char *path,
notmuch->mode = mode;
notmuch->atomic_nesting = 0;
notmuch->view = 1;
try {
string last_thread_id;
string last_mod;
@ -1133,6 +1134,28 @@ notmuch_database_close (notmuch_database_t *notmuch)
return status;
}
notmuch_status_t
_notmuch_database_reopen (notmuch_database_t *notmuch)
{
if (notmuch->mode != NOTMUCH_DATABASE_MODE_READ_ONLY)
return NOTMUCH_STATUS_UNSUPPORTED_OPERATION;
try {
notmuch->xapian_db->reopen ();
} catch (const Xapian::Error &error) {
if (! notmuch->exception_reported) {
_notmuch_database_log (notmuch, "Error: A Xapian exception reopening database: %s\n",
error.get_msg ().c_str ());
notmuch->exception_reported = TRUE;
}
return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
}
notmuch->view++;
return NOTMUCH_STATUS_SUCCESS;
}
static int
unlink_cb (const char *path,
unused (const struct stat *sb),

3
lib/notmuch-private.h
View file

@ -192,6 +192,9 @@ _notmuch_message_id_compressed (void *ctx, const char *message_id);
notmuch_status_t
_notmuch_database_ensure_writable (notmuch_database_t *notmuch);
notmuch_status_t
_notmuch_database_reopen (notmuch_database_t *notmuch);
void
_notmuch_database_log (notmuch_database_t *notmuch,
const char *format, ...);