1 files changed, 3 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 0e02db8cc..a437cc0d2 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3583,6 +3583,9 @@ struct IndexedExpr {
   int iIdxCol;            /* The index column that contains value of pExpr */
   u8 bMaybeNullRow;       /* True if we need an OP_IfNullRow check */
   IndexedExpr *pIENext;   /* Next in a list of all indexed expressions */
+#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
+  const char *zIdxName;   /* Name of index, used only for bytecode comments */
+#endif
 };
 
 /*