fix #2149

db/zm_update-1.31.45.sql

@@ -0,0 +1,16 @@
+--
+-- Update Servers table to have a PathPrefix field
+--
+SET @s = (SELECT IF(
+	(SELECT COUNT(*)
+	FROM INFORMATION_SCHEMA.COLUMNS
+	WHERE table_name = 'Servers'
+	AND table_schema = DATABASE()
+	AND column_name = 'PathPrefix'
+	) > 0,
+"SELECT 'Column PathPrefix already exists in Servers'",
+"ALTER TABLE `Servers` ADD COLUMN `PathPrefix` TEXT AFTER Hostname"
+));
+
+PREPARE stmt FROM @s;
+EXECUTE stmt;