C++ (Cpp) ColumnsDescription示例

示例#1

文件： StorageSystemReplicationQueue.cpp 项目： kellylg/ClickHouse

StorageSystemReplicationQueue::StorageSystemReplicationQueue(const std::string & name_)
    : name(name_)
{
    setColumns(ColumnsDescription({
        /// Table properties.
        { "database",                std::make_shared<DataTypeString>() },
        { "table",                   std::make_shared<DataTypeString>() },
        { "replica_name",            std::make_shared<DataTypeString>() },
        /// Constant element properties.
        { "position",                std::make_shared<DataTypeUInt32>() },
        { "node_name",               std::make_shared<DataTypeString>() },
        { "type",                    std::make_shared<DataTypeString>() },
        { "create_time",             std::make_shared<DataTypeDateTime>() },
        { "required_quorum",         std::make_shared<DataTypeUInt32>() },
        { "source_replica",          std::make_shared<DataTypeString>() },
        { "new_part_name",           std::make_shared<DataTypeString>() },
        { "parts_to_merge",          std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>()) },
        { "is_detach",               std::make_shared<DataTypeUInt8>() },
        /// Processing status of item.
        { "is_currently_executing",  std::make_shared<DataTypeUInt8>() },
        { "num_tries",               std::make_shared<DataTypeUInt32>() },
        { "last_exception",          std::make_shared<DataTypeString>() },
        { "last_attempt_time",       std::make_shared<DataTypeDateTime>() },
        { "num_postponed",           std::make_shared<DataTypeUInt32>() },
        { "postpone_reason",         std::make_shared<DataTypeString>() },
        { "last_postpone_time",      std::make_shared<DataTypeDateTime>() },
    }));
}

示例#2

文件： StorageSystemBuildOptions.cpp 项目： kellylg/ClickHouse

StorageSystemBuildOptions::StorageSystemBuildOptions(const std::string & name_)
    : name(name_)
{
    setColumns(ColumnsDescription({
        { "name", std::make_shared<DataTypeString>() },
        { "value", std::make_shared<DataTypeString>() },
    }));
}

示例#3

文件： StorageSystemGraphite.cpp 项目： kellylg/ClickHouse

StorageSystemGraphite::StorageSystemGraphite(const std::string & name_)
    : name(name_)
{
    setColumns(ColumnsDescription({
        {"config_name", std::make_shared<DataTypeString>()},
        {"regexp",      std::make_shared<DataTypeString>()},
        {"function",    std::make_shared<DataTypeString>()},
        {"age",         std::make_shared<DataTypeUInt64>()},
        {"precision",   std::make_shared<DataTypeUInt64>()},
        {"priority",    std::make_shared<DataTypeUInt16>()},
        {"is_default",  std::make_shared<DataTypeUInt8>()},
    }));
}

示例#4

文件： StorageSystemTables.cpp 项目： filimonov/ClickHouse

StorageSystemTables::StorageSystemTables(const std::string & name_)
    : name(name_)
{
    setColumns(ColumnsDescription(
    {
        {"database", std::make_shared<DataTypeString>()},
        {"name", std::make_shared<DataTypeString>()},
        {"engine", std::make_shared<DataTypeString>()},
        {"is_temporary", std::make_shared<DataTypeUInt8>()},
        {"data_path", std::make_shared<DataTypeString>()},
        {"metadata_path", std::make_shared<DataTypeString>()},
        {"metadata_modification_time", std::make_shared<DataTypeDateTime>()},
        {"dependencies_database", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
        {"dependencies_table", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
        {"create_table_query", std::make_shared<DataTypeString>()},
        {"engine_full", std::make_shared<DataTypeString>()},
        {"partition_key", std::make_shared<DataTypeString>()},
        {"sorting_key", std::make_shared<DataTypeString>()},
        {"primary_key", std::make_shared<DataTypeString>()},
        {"sampling_key", std::make_shared<DataTypeString>()},
    }));
}