Method readText

src/Storages/MutationCommands.cpp:305–322

}

void MutationCommands::readText(ReadBuffer & in, bool with_pure_metadata_commands)
{
    String commands_str;
    readEscapedString(commands_str, in);

    ParserAlterCommandList p_alter_commands;
    auto commands_ast = parseQuery(
        p_alter_commands, commands_str.data(), commands_str.data() + commands_str.length(), "mutation commands list", 0, DBMS_DEFAULT_MAX_PARSER_DEPTH, DBMS_DEFAULT_MAX_PARSER_BACKTRACKS);

    for (const auto & child : commands_ast->children)
    {
        auto * command_ast = child->as<ASTAlterCommand>();
        auto command = MutationCommand::parse(*command_ast, true, with_pure_metadata_commands);
        if (!command)
            throw Exception(ErrorCodes::UNKNOWN_MUTATION_COMMAND, "Unknown mutation command type: {}", DB::toString<int>(command_ast->type));
        push_back(std::move(*command));
    }
}

std::string MutationCommands::toString(bool with_pure_metadata_commands) const
{