ADD: function getting Users by keyword

@@ -73,6 +73,29 @@ database.getKeywordsByUserId = async function(userId) {
     return result
 }
 
+database.getUsersByKeyword = async function(keyword) {
+
+    const users = await User.findAll({
+        attributes: ['userId'],
+        where: {
+            '$keyword.keyword$': keyword
+        },
+        include: [{
+            attributes: [],
+            model: Keyword,
+            as: 'keyword'
+        }],
+        raw: true
+    })
+
+    let result = []
+    for (let i = 0; i < users.length; i++) {
+        result.push(users[i].userId)
+    }
+
+    return result
+}
+
 database.getAllUsers = async function() {
 
     const users = await User.findAll({

@@ -14,6 +14,7 @@ sequelize.sync({ force: false })
         database.getKeywordsByUserId("junseok")
         database.deleteKeyword("phobyjun", "rtx3080")
         database.getAllUsers()
+        database.getUsersByKeyword("rtx3060")
     })
     .catch((err) => {
         console.log('database connection failed');