From 3034ef2edd55f6544cdbbc4c1aec4e6a0cb70287 Mon Sep 17 00:00:00 2001
From: Philipp Kunz <gitlab@philkunz.com>
Date: Tue, 8 Mar 2022 18:54:10 +0100
Subject: [PATCH] fix(TTL): tables now have a default TTL for data of 1 MONTH

---
 ts/smartclickhouse.classes.timedatatable.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/ts/smartclickhouse.classes.timedatatable.ts b/ts/smartclickhouse.classes.timedatatable.ts
index efd4be3..196efa3 100644
--- a/ts/smartclickhouse.classes.timedatatable.ts
+++ b/ts/smartclickhouse.classes.timedatatable.ts
@@ -32,10 +32,18 @@ export class TimeDataTable {
 
     // create table in clickhouse
     await smartClickHouseDbRefArg.clickhouseClient
-      .queryPromise(`CREATE TABLE IF NOT EXISTS ${newTable.tableName} (
-      timestamp DateTime64(3, 'Europe/Berlin'),
-      message String
-    ) ENGINE=MergeTree() ORDER BY timestamp`);
+      .queryPromise(`
+        CREATE TABLE IF NOT EXISTS ${newTable.tableName} (
+          timestamp DateTime64(3, 'Europe/Berlin'),
+          message String
+        ) ENGINE=MergeTree() ORDER BY timestamp
+    `);
+    
+    // lets adjust the TTL
+    await smartClickHouseDbRefArg.clickhouseClient
+      .queryPromise(`
+        ALTER TABLE ${newTable.tableName} MODIFY TTL toDateTime(timestamp) + INTERVAL 1 MONTH;
+      `);
 
     await newTable.updateColumns();
     console.log(`=======================`)