Try to do something about sqlite locking.

diff --git a/src/libstat/backends/sqlite3_backend.c b/src/libstat/backends/sqlite3_backend.c
index 13d82b7a33ea03564bd18b88f8aa100eabf185f9..39934d44e205eaaba5757c72118464870a835bae 100644 (file)
--- a/src/libstat/backends/sqlite3_backend.c
+++ b/src/libstat/backends/sqlite3_backend.c
@@ -54,7 +54,7 @@ struct rspamd_stat_sqlite3_rt {
 };
 
 static const char *create_tables_sql =
-               "BEGIN;"
+               "BEGIN IMMEDIATE;"
                "CREATE TABLE users("
                "id INTEGER PRIMARY KEY,"
                "name TEXT,"
@@ -537,6 +537,11 @@ rspamd_sqlite3_process_token (struct rspamd_task *task, struct token_node_s *tok
        if (rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_GET_TOKEN,
                        idx, rt->user_id, rt->lang_id, &iv) == SQLITE_OK) {
                res->value = iv;
+
+               /* TODO: purge empty values */
+               if (iv == 0) {
+                       return FALSE;
+               }
        }
        else {
                res->value = 0.0;
@@ -628,9 +633,9 @@ rspamd_sqlite3_inc_learns (struct rspamd_task *task, gpointer runtime,
 
        g_assert (rt != NULL);
        bk = rt->db;
-       rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_GET_LEARNS, &res);
        rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_INC_LEARNS,
                        SQLITE3_DEFAULT, SQLITE3_DEFAULT);
+       rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_GET_LEARNS, &res);
 
        return res;
 }
@@ -645,9 +650,9 @@ rspamd_sqlite3_dec_learns (struct rspamd_task *task, gpointer runtime,
 
        g_assert (rt != NULL);
        bk = rt->db;
-       rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_GET_LEARNS, &res);
        rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_DEC_LEARNS,
                        SQLITE3_DEFAULT, SQLITE3_DEFAULT);
+       rspamd_sqlite3_run_prstmt (bk, RSPAMD_STAT_BACKEND_GET_LEARNS, &res);
 
        return res;
 }