utils_db_query: Introduced the query & result preparation areas.

[collectd.git] / src / utils_db_query.h

diff --git a/src/utils_db_query.h b/src/utils_db_query.h
index 6703e92..da235f7 100644 (file)
--- a/src/utils_db_query.h
+++ b/src/utils_db_query.h
@@ -30,6 +30,9 @@
 struct udb_query_s;
 typedef struct udb_query_s udb_query_t;
 
+struct udb_query_preparation_area_s;
+typedef struct udb_query_preparation_area_s udb_query_preparation_area_t;
+
 typedef int (*udb_query_create_callback_t) (udb_query_t *q,
     oconfig_item_t *ci);
 
@@ -62,11 +65,19 @@ void *udb_query_get_user_data (udb_query_t *q);
  */
 int udb_query_check_version (udb_query_t *q, unsigned int version);
 
-int udb_query_prepare_result (udb_query_t *q,
+int udb_query_prepare_result (const udb_query_t const *q,
+    udb_query_preparation_area_t *prep_area,
     const char *host, const char *plugin, const char *db_name,
     char **column_names, size_t column_num);
-int udb_query_handle_result (udb_query_t *q, char **column_values);
-void udb_query_finish_result (udb_query_t *q);
+int udb_query_handle_result (const udb_query_t const *q,
+    udb_query_preparation_area_t *prep_area, char **column_values);
+void udb_query_finish_result (const udb_query_t const *q,
+    udb_query_preparation_area_t *prep_area);
+
+udb_query_preparation_area_t *
+udb_query_allocate_preparation_area (udb_query_t *q);
+void
+udb_query_delete_preparation_area (udb_query_preparation_area_t *q_area);
 
 #endif /* UTILS_DB_QUERY_H */
 /* vim: set sw=2 sts=2 et : */