From dd3cf0fe0aaf528a555d51487bc5c74c83d31591 Mon Sep 17 00:00:00 2001
From: alesapin <alesapin@gmail.com>
Date: Wed, 10 Jun 2020 21:02:45 +0300
Subject: [PATCH] Don't miss columns TTLs update

---
 src/Storages/StorageReplicatedMergeTree.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Storages/StorageReplicatedMergeTree.cpp b/src/Storages/StorageReplicatedMergeTree.cpp
index 7e42b75104d..1465cef58e1 100644
--- a/src/Storages/StorageReplicatedMergeTree.cpp
+++ b/src/Storages/StorageReplicatedMergeTree.cpp
@@ -474,8 +474,17 @@ void StorageReplicatedMergeTree::setTableStructure(ColumnsDescription new_column
 {
     StorageInMemoryMetadata new_metadata = getInMemoryMetadata();
     if (new_columns != new_metadata.columns)
+    {
         new_metadata.columns = new_columns;
 
+        new_metadata.column_ttls_by_name.clear();
+        for (const auto & [name, ast] : new_metadata.columns.getColumnTTLs())
+        {
+            auto new_ttl_entry = TTLDescription::getTTLFromAST(ast, new_metadata.columns, global_context, new_metadata.primary_key);
+            new_metadata.column_ttls_by_name[name] = new_ttl_entry;
+        }
+    }
+
     if (!metadata_diff.empty())
     {
         if (metadata_diff.sorting_key_changed)