Add db updates for WallClockTimestamps for 1.37.62

db/zm_create.sql.in

@@ -559,6 +559,7 @@ CREATE TABLE `Monitors` (
   `Encoder`     varchar(32),
   `OutputContainer` enum('auto','mp4','mkv','webm'),
   `EncoderParameters` TEXT,
+  `WallClockTimestamps` TINYINT NOT NULL DEFAULT '0',
   `RecordAudio` TINYINT NOT NULL DEFAULT '0',
   `RecordingSource`  enum('Primary','Secondary','Both') NOT NULL DEFAULT 'Primary',
   `RTSPDescribe` tinyint(1) unsigned,

db/zm_update-1.37.62.sql

@@ -0,0 +1,20 @@
+--
+-- Update Monitors table to have WallClockTimestamps
+--
+
+SELECT 'Checking for WallClockTImestamps in Monitors';
+SET @s = (SELECT IF(
+  (SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.COLUMNS
+  WHERE table_name = 'Monitors'
+  AND table_schema = DATABASE()
+  AND column_name = 'WallClockTimestamps'
+  ) > 0,
+"SELECT 'Column WallClockTimestamps already exists on Monitors'",
+"ALTER TABLE Monitors ADD `WallClockTimestamps` TINYINT NOT NULL DEFAULT '0' AFTER `EncoderParameters`" 
+));
+
+PREPARE stmt FROM @s;
+EXECUTE stmt;
+
+