fix

dbms/programs/server/Server.cpp

@@ -273,15 +273,6 @@ int Server::main(const std::vector<std::string> & /*args*/)
 
     global_context->setPath(path);
 
-    /// Check that we have read and write access to all data paths
-    auto disk_selector = global_context->getDiskSelector();
-    for (const auto & [name, disk] : disk_selector.getDisksMap())
-    {
-        Poco::File disk_path(disk->getPath());
-        if (!disk_path.canRead() || !disk_path.canWrite())
-            throw Exception("There is no RW access to disk " + name + " (" + disk->getPath() + ")", ErrorCodes::PATH_ACCESS_DENIED);
-    }
-
     StatusFile status{path + "status"};
 
     SCOPE_EXIT({

dbms/src/Databases/DatabaseAtomic.cpp

@@ -27,14 +27,18 @@ String DatabaseAtomic::getTableDataPath(const String & table_name) const
     auto it = table_name_to_path.find(table_name);
     if (it == table_name_to_path.end())
         throw Exception("Table " + table_name + " not found in database " + getDatabaseName(), ErrorCodes::UNKNOWN_TABLE);
-    return data_path + it->second;
+    assert(it->second != data_path && !it->second.empty());
+    return it->second;
 }
 
 String DatabaseAtomic::getTableDataPath(const ASTCreateQuery & query) const
 {
     //stringToUUID(query.uuid);   /// Check UUID is valid
     const size_t uuid_prefix_len = 3;
-    return data_path + toString(query.uuid).substr(0, uuid_prefix_len) + '/' + toString(query.uuid) + '/';
+    auto tmp = data_path + toString(query.uuid).substr(0, uuid_prefix_len) + '/' + toString(query.uuid) + '/';
+    assert(tmp != data_path && !tmp.empty());
+    return tmp;
+
 }
 
 void DatabaseAtomic::drop(const Context &)
@@ -44,6 +48,7 @@ void DatabaseAtomic::drop(const Context &)
 
 void DatabaseAtomic::attachTable(const String & name, const StoragePtr & table, const String & relative_table_path)
 {
+    assert(relative_table_path != data_path && !relative_table_path.empty());
     DatabaseWithDictionaries::attachTable(name, table, relative_table_path);
     std::lock_guard lock(mutex);
     table_name_to_path.emplace(std::make_pair(name, relative_table_path));

dbms/src/Databases/DatabaseOrdinary.cpp

@@ -62,7 +62,7 @@ namespace
             StoragePtr table;
             std::tie(table_name, table)
                 = createTableFromAST(query, database_name, database.getTableDataPath(query), context, has_force_restore_data_flag);
-            database.attachTable(table_name, table);
+            database.attachTable(table_name, table, database.getTableDataPath(query));
         }
         catch (Exception & e)
         {

dbms/src/Databases/DatabaseWithDictionaries.cpp

@@ -100,7 +100,7 @@ void DatabaseWithDictionaries::createDictionary(const Context & context, const S
             out.sync();
         out.close();
     }
-    
+
     bool succeeded = false;
     SCOPE_EXIT({
         if (!succeeded)

dbms/src/Interpreters/Context.cpp

@@ -745,7 +745,9 @@ void Context::addDependencyUnsafe(const StorageID & from, const StorageID & wher
 {
     checkDatabaseAccessRightsImpl(from.database_name);
     checkDatabaseAccessRightsImpl(where.database_name);
-    shared->view_dependencies[from].insert(where);
+    // FIXME when loading metadata storage may not know UUIDs of it's dependencies, because they are not loaded yet,
+    // so UUID of `from` is not used here.
+    shared->view_dependencies[{from.database_name, from.table_name}].insert(where);
 
     // Notify table of dependencies change
     auto table = tryGetTable(from);
@@ -763,7 +765,7 @@ void Context::removeDependencyUnsafe(const StorageID & from, const StorageID & w
 {
     checkDatabaseAccessRightsImpl(from.database_name);
     checkDatabaseAccessRightsImpl(where.database_name);
-    shared->view_dependencies[from].erase(where);
+    shared->view_dependencies[{from.database_name, from.table_name}].erase(where);
 
     // Notify table of dependencies change
     auto table = tryGetTable(from);
@@ -792,7 +794,7 @@ Dependencies Context::getDependencies(const StorageID & from) const
         checkDatabaseAccessRightsImpl(db);
     }
 
-    ViewDependencies::const_iterator iter = shared->view_dependencies.find(StorageID(db, from.table_name, from.uuid));
+    ViewDependencies::const_iterator iter = shared->view_dependencies.find(StorageID(db, from.table_name));
     if (iter == shared->view_dependencies.end())
         return {};
 

dbms/src/Interpreters/InterpreterShowCreateQuery.cpp

@@ -69,6 +69,10 @@ BlockInputStreamPtr InterpreterShowCreateQuery::executeImpl()
     if (!create_query && show_query && show_query->temporary)
         throw Exception("Unable to show the create query of " + show_query->table + ". Maybe it was created by the system.", ErrorCodes::THERE_IS_NO_QUERY);
 
+    //FIXME temporary print create query without UUID for tests (remove it)
+    auto & create = create_query->as<ASTCreateQuery &>();
+    create.uuid = UUID{UInt128{0, 0}};
+
     std::stringstream stream;
     formatAST(*create_query, stream, false, true);
     String res = stream.str();

dbms/src/Storages/MergeTree/MergeTreeData.cpp

@@ -1334,7 +1334,7 @@ void MergeTreeData::rename(
     for (const auto & disk : disks)
     {
         auto new_table_path_parent = Poco::Path(new_table_path).makeParent().toString();
-        disk->createDirectory(new_table_path_parent);
+        disk->createDirectories(new_table_path_parent);
         disk->moveDirectory(relative_data_path, new_table_path);
     }