ClickHouse/dbms/include/DB/Dictionaries/ExternalResultDescription.h

#pragma once

#include <DB/Core/Block.h>


namespace DB
{

/** Common part for implementation of MySQLBlockInputStream, MongoDBBlockInputStream and others.
  */
struct ExternalResultDescription
{
    enum struct ValueType
    {
        UInt8,
        UInt16,
        UInt32,
        UInt64,
        Int8,
        Int16,
        Int32,
        Int64,
        Float32,
        Float64,
        String,
        Date,
        DateTime
    };

    Block sample_block;
    std::vector<ValueType> types;
    std::vector<std::string> names;
    ConstColumnPlainPtrs sample_columns;

    void init(const Block & sample_block_);
};

}