Add the experimental sqlite3session_changeset_size() API.
FossilOrigin-Name: b5564a6fd54875db1de884fdc0e5eeabcd6aa5595ad03a8a60843503e830a2d8
diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index ba3bdf6..b21634d 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -1907,6 +1907,17 @@
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
/*
+** This function is designed to be called from within a pre-update callback
+** only.
+*/
+int sqlite3_preupdate_blobwrite(sqlite3 *db){
+ PreUpdate *p = db->pPreUpdate;
+ return (p ? p->iBlobWrite : -1);
+}
+#endif
+
+#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
+/*
** This function is called from within a pre-update callback to retrieve
** a field of the row currently being updated or inserted.
*/