fix

pingcap · Dec 14, 2022 · 8b9a945 · 8b9a945
1 parent a678f60
commit 8b9a945
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/session/bootstrap.go b/session/bootstrap.go
@@ -412,8 +412,8 @@ const (
 		modify_count bigint(64) NOT NULL,
 		count bigint(64) NOT NULL,
 		version bigint(64) NOT NULL comment 'stats version which corresponding to stats:version in EXPLAIN',
-		create_time datetime(6) NOT NULL,
     	source varchar(40) NOT NULL,
+		create_time datetime(6) NOT NULL,
 		UNIQUE KEY table_version (table_id, version),
 		KEY table_create_time (table_id, create_time)
 	);`
@@ -2198,7 +2198,7 @@ func upgradeToVer109(s Session, ver int64) {
 	if ver >= version109 {
 		return
 	}
-	doReentrantDDL(s, "ALTER TABLE mysql.stats_meta_history ADD COLUMN `source` varchar(40) NOT NULL after `version`;")
+	doReentrantDDL(s, "ALTER TABLE mysql.stats_meta_history ADD COLUMN IF NOT EXISTS `source` varchar(40) NOT NULL after `version`;")
 }
 
 func writeOOMAction(s Session) {

diff --git a/session/bootstrap_upgrade_test.go b/session/bootstrap_upgrade_test.go
@@ -72,7 +72,7 @@ func TestUpgradeVersion84(t *testing.T) {
 		{"modify_count", "bigint(64)"},
 		{"count", "bigint(64)"},
 		{"version", "bigint(64)"},
-		{"source", "varchar(16)"},
+		{"source", "varchar(40)"},
 		{"create_time", "datetime(6)"},
 	}
 	rStatsHistoryTbl, err := tk.Exec(`desc mysql.stats_meta_history`)