mysql - 返回mysql查询的列名

Question

我有一个导出为 CSV 文件的 MySQL 查询。收到 CSV 的人希望我包含列标题。显然，我可以在查询中对它们进行硬编码，但想知道是否有一种方法可以返回包含已查询的所有列的名称的行？

我当前的查询如下 - 如果可以的话，我也希望以编程方式包含列标题，以防万一我在进行更改时忘记更新它。

谢谢

SET @sql_text = 
   CONCAT (
   "SELECT
        cf_id as FoundUsFrom,
        firstname as CustomerName1,
        lastname as CustomerName2,
        address1 as CAddress1,
        address2 as CAddress2,
        '' as CAddress3,
        towncity as CCity,
        postcode as CPostCode,
        email as 'email',
        telephone as HomePhone,
        mobile as MobilePhone,
        '' as WorkPhone,
        chidname as PName,
        '' as ToBeAged,
        partyaddress1 as PAddress1,
        partyaddress2 as PAddress2,
        '' as PAddress3,
        partytowncity as PCity,
        partypostcode as PPostCode,
        /*NEED VALIDATION*/
        celebrating as PType,
        partydate as PDate,
        partyboffinstart as PTime,
        specialinstructions as SpecialInst,
        numberguests as Guests,
        IF(airexp = '','N','Y') as Air,
        IF(chemcocklngexp = '','N','Y') as CocktailLong,
        IF(chemcockshtexp = '','N','Y') as CocktailShort,
        IF(chemreact = '','N','Y') as Reactions,
        IF(dryicebolton = '','N','Y') as DryIce,
        IF(electricitybolton = '','N','Y') as Electricity,
        IF(flightbolton = '','N','Y') as Flight,
        IF(fourelementsbolton = '','N','Y') as Elements,
        IF(magicbolton = '','N','Y') as Magic,
        IF(slimebolton = '','N','Y') as Slime,
        IF(sweetbolton = '','N','Y') as Sweets,
        IF(miniimpsbolton = '','N','Y') as MiniImps,
        IF(extravaganzabolton = '','N','Y') as Extravaganza,
        IF(dryicecreambolton = '','N','Y') as AIceCream,
        IF(rocketbolton = '','N','Y') as ARocket,
        IF(foodbreakbolton = '','N','Y') as AFood,
        partybags as PBags,
        deluxepartybags as PDBags

INTO OUTFILE 'PATHTO/data/bookings",
DATE_FORMAT( NOW(), '%Y%m%d%s'),
".csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\"'
LINES TERMINATED BY '\n'
FROM sb_chronoforms_data_bookingformcombined"
);

PREPARE s1 FROM @sql_text;
EXECUTE s1;
DROP PREPARE s1;

Answer 1

单独记录它，因为这是解决问题的另一种方法:

select 'col_1', 'col_2','col_3','col_4' from dual UNION all select col_1,col_2,col_3,col_4 from table_1;