1 files changed, 3 insertions, 0 deletions
diff --git a/src/whereInt.h b/src/whereInt.h
index 40a720ab9..3a9353e07 100644
--- a/src/whereInt.h
+++ b/src/whereInt.h
@@ -280,6 +280,9 @@ struct WhereTerm {
   u8 eMatchOp;            /* Op for vtab MATCH/LIKE/GLOB/REGEXP terms */
   int iParent;            /* Disable pWC->a[iParent] when this term disabled */
   int leftCursor;         /* Cursor number of X in "X <op> <expr>" */
+#ifdef SQLITE_DEBUG
+  int iTerm;              /* Which WhereTerm is this, for debug purposes */
+#endif
   union {
     struct {
       int leftColumn;         /* Column number of X in "X <op> <expr>" */