row_purge_parse_undo_rec(): Properly parse TRX_UNDO_INSERT_DEFAULT

storage/innobase/include/trx0rec.h

@@ -326,6 +326,9 @@ record */
 					storage fields: used by purge to
 					free the external storage */
 
+/** The search tuple corresponding to TRX_UNDO_INSERT_DEFAULT */
+extern const dtuple_t trx_undo_default_rec;
+
 #include "trx0rec.ic"
 
 #endif /* trx0rec_h */

storage/innobase/row/row0purge.cc

@@ -981,12 +981,15 @@ row_purge_parse_undo_rec(
 		return(false);
 	}
 
+	if (type == TRX_UNDO_INSERT_DEFAULT) {
+		node->ref = &trx_undo_default_rec;
+		return(true);
+	}
+
 	ptr = trx_undo_rec_get_row_ref(ptr, clust_index, &(node->ref),
 				       node->heap);
 
-	switch (type) {
-	case TRX_UNDO_INSERT_DEFAULT:
-	case TRX_UNDO_INSERT_REC:
+	if (type == TRX_UNDO_INSERT_REC) {
 		return(true);
 	}
 

storage/innobase/row/row0uins.cc

@@ -452,15 +452,7 @@ row_undo_ins_parse_undo_rec(
 					node->heap);
 			} else {
 				ut_ad(type == TRX_UNDO_INSERT_DEFAULT);
-				static const dtuple_t min_rec = {
-					REC_INFO_DEFAULT_ROW, 0, 0,
-					NULL, 0, NULL,
-					UT_LIST_NODE_T(dtuple_t)()
-#ifdef UNIV_DEBUG
-					, DATA_TUPLE_MAGIC_N
-#endif /* UNIV_DEBUG */
-				};
-				node->ref = &min_rec;
+				node->ref = &trx_undo_default_rec;
 			}
 
 			if (!row_undo_search_clust_to_pcur(node)) {

storage/innobase/trx/trx0rec.cc

@@ -41,6 +41,16 @@ Created 3/26/1996 Heikki Tuuri
 #include "fsp0sysspace.h"
 #include "row0mysql.h"
 
+/** The search tuple corresponding to TRX_UNDO_INSERT_DEFAULT */
+const dtuple_t trx_undo_default_rec = {
+	REC_INFO_DEFAULT_ROW, 0, 0,
+	NULL, 0, NULL,
+	UT_LIST_NODE_T(dtuple_t)()
+#ifdef UNIV_DEBUG
+	, DATA_TUPLE_MAGIC_N
+#endif /* UNIV_DEBUG */
+};
+
 /*=========== UNDO LOG RECORD CREATION AND DECODING ====================*/
 
 /**********************************************************************//**