Post image schema fix (#15763)

store/sqlstore/upgrade.go

@@ -19,7 +19,8 @@ import (
 )
 
 const (
-	CURRENT_SCHEMA_VERSION   = VERSION_5_28_0
+	CURRENT_SCHEMA_VERSION   = VERSION_5_28_1
+	VERSION_5_28_1           = "5.28.1"
 	VERSION_5_28_0           = "5.28.0"
 	VERSION_5_27_0           = "5.27.0"
 	VERSION_5_26_0           = "5.26.0"
@@ -188,6 +189,7 @@ func upgradeDatabase(sqlStore SqlStore, currentModelVersionString string) error
 	upgradeDatabaseToVersion526(sqlStore)
 	upgradeDatabaseToVersion527(sqlStore)
 	upgradeDatabaseToVersion528(sqlStore)
+	upgradeDatabaseToVersion5281(sqlStore)
 
 	return nil
 }
@@ -848,12 +850,19 @@ func upgradeDatabaseToVersion528(sqlStore SqlStore) {
 		sqlStore.AlterColumnTypeIfExists("Teams", "SchemeId", "VARCHAR(26)", "VARCHAR(26)")
 		sqlStore.AlterColumnTypeIfExists("IncomingWebhooks", "Username", "varchar(255)", "varchar(255)")
 		sqlStore.AlterColumnTypeIfExists("IncomingWebhooks", "IconURL", "text", "varchar(1024)")
-		sqlStore.CreateColumnIfNotExistsNoDefault("FileInfo", "MiniPreview", "MEDIUMBLOB", "bytea")
 
 		saveSchemaVersion(sqlStore, VERSION_5_28_0)
 	}
 }
 
+func upgradeDatabaseToVersion5281(sqlStore SqlStore) {
+	if shouldPerformUpgrade(sqlStore, VERSION_5_28_0, VERSION_5_28_1) {
+		sqlStore.CreateColumnIfNotExistsNoDefault("FileInfo", "MiniPreview", "MEDIUMBLOB", "bytea")
+
+		saveSchemaVersion(sqlStore, VERSION_5_28_1)
+	}
+}
+
 func precheckMigrationToVersion528(sqlStore SqlStore) error {
 	teamsQuery, _, err := sqlStore.getQueryBuilder().Select(`COALESCE(SUM(CASE
 				WHEN CHAR_LENGTH(SchemeId) > 26 THEN 1