fixed that Filesort_on_disk in slow query log works again

montywi · vuvova · commit b60419e0e47c · 2024-05-27T12:39:03.000+02:00
A commit in 10.10 caused it to be always 'No'
diff --git a/sql/filesort.cc b/sql/filesort.cc
@@ -426,6 +426,7 @@ SORT_INFO *filesort(THD *thd, TABLE *table, Filesort *filesort,
   else
   {
     /* filesort cannot handle zero-length records during merge. */
+    thd->query_plan_flags|= QPLAN_FILESORT_DISK;
     DBUG_ASSERT(param.sort_length != 0);
 
     if (sort->buffpek.str && sort->buffpek.length < maxbuffer)

Original file line number	Diff line number	Diff line change
`@@ -426,6 +426,7 @@ SORT_INFO filesort(THD thd, TABLE table, Filesort filesort,`
`426`	`426`	`else`
`427`	`427`	`{`
`428`	`428`	`/* filesort cannot handle zero-length records during merge. */`
	`429`	`+ thd->query_plan_flags\|= QPLAN_FILESORT_DISK;`
`429`	`430`	`DBUG_ASSERT(param.sort_length != 0);`
`430`	`431`
`431`	`432`	`if (sort->buffpek.str && sort->buffpek.length < maxbuffer)`