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);
+
/*
* Public functions
*/
int udb_query_create (udb_query_t ***ret_query_list,
- size_t *ret_query_list_len, oconfig_item_t *ci);
+ size_t *ret_query_list_len, oconfig_item_t *ci,
+ udb_query_create_callback_t cb, int legacy_mode);
void udb_query_free (udb_query_t **query_list, size_t query_list_len);
+int udb_query_pick_from_list_by_name (const char *name,
+ udb_query_t **src_list, size_t src_list_len,
+ udb_query_t ***dst_list, size_t *dst_list_len);
int udb_query_pick_from_list (oconfig_item_t *ci,
udb_query_t **src_list, size_t src_list_len,
udb_query_t ***dst_list, size_t *dst_list_len);
void udb_query_set_user_data (udb_query_t *q, void *user_data);
void *udb_query_get_user_data (udb_query_t *q);
+/*
+ * udb_query_check_version
+ *
+ * Returns 0 if the query is NOT suitable for `version' and >0 if the
+ * query IS suitable.
+ */
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);
+ char **column_names, size_t column_num, int interval);
+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 : */