void StorageMaterializedView::drop()
{
context.getGlobalContext().removeDependency(
DatabaseAndTableName(select_database_name, select_table_name),
DatabaseAndTableName(database_name, table_name));
auto inner_table_name = getInnerTableName();
if (context.tryGetTable(database_name, inner_table_name))
{
/// Состваляем и выполняем запрос drop для внутреннего хранилища.
auto drop_query = std::make_shared<ASTDropQuery>();
drop_query->database = database_name;
drop_query->table = inner_table_name;
ASTPtr ast_drop_query = drop_query;
InterpreterDropQuery drop_interpreter(ast_drop_query, context);
drop_interpreter.execute();
}
}
Dependencies Context::getDependencies(const String & database_name, const String & table_name) const
{
auto lock = getLock();
String db = database_name.empty() ? current_database : database_name;
checkDatabaseAccessRights(db);
ViewDependencies::const_iterator iter = shared->view_dependencies.find(DatabaseAndTableName(db, table_name));
if (iter == shared->view_dependencies.end())
return {};
return Dependencies(iter->second.begin(), iter->second.end());
}
