Bug#22916059 BUILD ERROR DUE TO UNINITIALIZED VARIABLE IN OPT_RANGE.CC

Tor Didriksen · Tor Didriksen · commit c79c62f9d4fd · 2016-03-31T15:32:32.000+02:00
Fix: init to zero
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
@@ -5768,7 +5768,7 @@ static TRP_RANGE *get_key_scans_params(PARAM *param, SEL_TREE *tree,
                                        bool update_tbl_stats,
                                        const Cost_estimate *cost_est)
 {
-  uint idx, best_idx;
+  uint idx, best_idx= 0;
   SEL_ARG *key, *key_to_read= NULL;
   ha_rows best_records= 0;              /* protected by key_to_read */
   uint    best_mrr_flags= 0, best_buf_size= 0;

Original file line number	Diff line number	Diff line change
`@@ -5768,7 +5768,7 @@ static TRP_RANGE get_key_scans_params(PARAM param, SEL_TREE *tree,`
`5768`	`5768`	`bool update_tbl_stats,`
`5769`	`5769`	`const Cost_estimate *cost_est)`
`5770`	`5770`	`{`
`5771`		`- uint idx, best_idx;`
	`5771`	`+ uint idx, best_idx= 0;`
`5772`	`5772`	`SEL_ARG key, key_to_read= NULL;`
`5773`	`5773`	`ha_rows best_records= 0; /* protected by key_to_read */`
`5774`	`5774`	`uint best_mrr_flags= 0, best_buf_size= 0;`