#pragma once

#include <Core/Defines.h>
#include <Core/BaseSettings.h>

namespace DB
{

class ASTStorage;

#define LIST_OF_EXECUTABLE_SETTINGS(M, ALIAS) \
    M(Bool, send_chunk_header, false, "Send number_of_rows\n before sending chunk to process.", 0) \
    M(UInt64, pool_size, 16, "Processes pool size. If size == 0, then there is no size restrictions.", 0) \
    M(UInt64, max_command_execution_time, 10, "Max command execution time in seconds.", 0) \
    M(UInt64, command_termination_timeout, 10, "Command termination timeout in seconds.", 0) \
    M(UInt64, command_read_timeout, 10000, "Timeout for reading data from command stdout in milliseconds.", 0) \
    M(UInt64, command_write_timeout, 10000, "Timeout for writing data to command stdin in milliseconds.", 0)

DECLARE_SETTINGS_TRAITS(ExecutableSettingsTraits, LIST_OF_EXECUTABLE_SETTINGS)

/// Settings for ExecutablePool engine.
struct ExecutableSettings : public BaseSettings<ExecutableSettingsTraits>
{
    std::string script_name;
    std::vector<std::string> script_arguments;

    bool is_executable_pool = false;

    void loadFromQuery(ASTStorage & storage_def);
};

}