fix table description

Author: swalrus1

ydb/core/ydb_convert/table_description.cpp

@@ -509,11 +509,22 @@ Ydb::Type* AddColumn<NKikimrSchemeOp::TColumnDescription>(Ydb::Table::ColumnMeta
 
 template <typename TYdbProto, typename TTtl>
 static void AddTtl(TYdbProto& out, const TTtl& inTTL) {
+    static const auto& fillCommonFields = []<class TModeSettings>(TModeSettings& out, const TTtl& in) {
+        out.set_column_name(in.GetColumnName());
+        if (in.HasExpireAfterSeconds()) {
+            out.set_expire_after_seconds(in.GetExpireAfterSeconds());
+        }
+        for (const auto& in_tier : in.GetTiers()) {
+            auto* out_tier = out.add_storage_tiers();
+            out_tier->set_evict_after_seconds(in_tier.GetEvictAfterSeconds());
+            out_tier->set_storage_name(in_tier.GetStorageName());
+        }
+    };
+
     switch (inTTL.GetColumnUnit()) {
     case NKikimrSchemeOp::TTTLSettings::UNIT_AUTO: {
         auto& outTTL = *out.mutable_ttl_settings()->mutable_date_type_column();
-        outTTL.set_column_name(inTTL.GetColumnName());
-        outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds());
+        fillCommonFields(outTTL, inTTL);
         break;
     }
 
@@ -522,9 +533,8 @@ static void AddTtl(TYdbProto& out, const TTtl& inTTL) {
     case NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS:
     case NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS: {
         auto& outTTL = *out.mutable_ttl_settings()->mutable_value_since_unix_epoch();
-        outTTL.set_column_name(inTTL.GetColumnName());
+        fillCommonFields(outTTL, inTTL);
         outTTL.set_column_unit(static_cast<Ydb::Table::ValueSinceUnixEpochModeSettings::Unit>(inTTL.GetColumnUnit()));
-        outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds());
         break;
     }