Page 315 - Nodejs 교과서 개정2판

where: { id: 2 },
});

destroy ݫࢲ٘۽ ࢏ઁ೤פ׮ where ২࣌ী ઑѤٜਸ ੸णפ׮

ҙ҅ ௪ܻ
findOne੉ա findAll ݫࢲ٘ܳ ഐ୹ೡ ٸ ೐۽޷झ੄ Ѿҗ۽ ݽ؛ਸ ߈ജ೤פ׮ findAll਷ ݽف ଺ח Ѫ੉޲۽

ݽ؛੄ ߓৌਸ ߈ജ೤פ׮

const user = await User.findOne({});
console.log(user.nick); // 사용자 닉네임

6TFS ݽ؛੄ ੿ࠁীب ߄۽ ੽Ӕೡ ࣻ ੓૑݅ ؊ ಞܻೠ ੼਷ ҙ҅ ௪ܻܳ ૑ਗೠ׮ח Ѫੑפ׮ .Z42-۽ ٮ૑

ݶ +0*/ ӝמੑפ׮ അ੤ 6TFS ݽ؛਷ $PNNFOU ݽ؛җ hasMany-belongsTo ҙ҅о ݛযઉ ੓णפ׮ ݅ড
ౠ੿ ࢎਊ੗ܳ оઉয়ݶࢲ Ӓ ࢎۈ੄ ؆Ӗө૑ ݽف оઉয়Ҋ र׮ݶ include ࣘࢿਸ ࢎਊ೤פ׮

const user = await User.findOne({
include: [{
model: Comment,
}]
});
console.log(user.Comments); // 사용자 댓글

যڃ ݽ؛җ ҙ҅о ੓ח૑ܳ include ߓৌী ֍য઱ݶ ؾפ׮ ߓৌੋ ੉ਬח ׮নೠ ݽ؛җ ҙ҅о ੓ਸ ࣻ ੓

ӝ ٸޙੑפ׮ ؆Ӗ਷ ৈ۞ ѐੌ ࣻ ੓ਵ޲۽ hasMany user.Comments۽ ੽Ӕ оמ೤פ׮ ژח ׮਺җ э੉
؆Ӗী ੽Ӕೡ ࣻب ੓णפ׮

const user = await User.findOne({});
const comments = await user.getComments();
console.log(comments); // 사용자 댓글

ҙ҅ܳ ࢸ੿೮׮ݶ getComments ઑഥ ৻ীب setComments ࣻ੿ addComment ೞա ࢤࢿ addComments ৈ۞

ѐ ࢤࢿ removeComments ࢏ઁ ݫࢲ٘ܳ ૑ਗ೤פ׮ زࢎ ٍী ݽ؛੄ ੉ܴ੉ ࠢח ഋधੑפ׮

زࢎ ٍ੄ ݽ؛ ੉ܴਸ ߄ԲҊ र׮ݶ ҙ҅ ࢸ੿ द as ২࣌ਸ ࢎਊೡ ࣻ ੓णפ׮