Aggregation query using Sequelize and SQLITE

Aggregation query using Sequelize and SQLITE

By : Andi
Date : November 29 2020, 12:01 PM
it should still fix some issue If your version of sqlite supports the JSON1 extension, you can use something like
code :
SELECT json_group_object(A, B) FROM yourtable;

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SQLite query aggregation

SQLite query aggregation

By : hamid.ataei
Date : March 29 2020, 07:55 AM
it should still fix some issue Use group_concat() to get a list of users for every url
code :
SELECT url, 
       COUNT(users) as RESULT, 
       group_concat(users) as user_list
FROM bookmarks 
order by RESULT desc 
limit 10;
SQLite, aggregation query as where clause

SQLite, aggregation query as where clause

By : Jimmy
Date : March 29 2020, 07:55 AM
around this issue Given the schema: , So first you get count of all the enrolled classes per student
code :
FROM Enroll 
GROUP BY studentID
SELECT Student.studentName,Student.studentID,COUNT(*) AS count
       FROM Enroll
       INNER JOIN Student ON Enroll.studentID=Student.studentID
       GROUP BY Enroll.studentID
       HAVING COUNT()=(SELECT COUNT() AS num FROM Enroll GROUP BY studentID);
Sequelize generating wrong query? sequelize-auto-ts and sequelize

Sequelize generating wrong query? sequelize-auto-ts and sequelize

By : Qiannan L.
Date : March 29 2020, 07:55 AM
will be helpful for those in need So I found my mistake instead of hasOne I had to use belongsTo and it worked.For reference the documentation http://sequelizejs.com/docs/latest gave me some sense but after a while gist.github.com/sdepold/1757695
SQLite aggregation query

SQLite aggregation query

By : user2157301
Date : March 29 2020, 07:55 AM
To fix the issue you can do You need to GROUP BY both brand_name, model_name and use SUM with CASE to get the number of rows with values of 'New' and 'Used'
code :
String selectAllQuery = 
    "SELECT brand_name, model_name, " +
            "count(*) as Quantity, " + 
        "SUM(CASE WHEN condition = 'New' THEN 1 ELSE 0 END) as New, " +
        "SUM(CASE WHEN condition = 'Used' THEN 1 ELSE 0 END) as Used " +
    "FROM " + Table_Mobile_Details + " WHERE brand_name = ? AND sell_status = ? GROUP BY brand_name, model_name";
Cursor cursor = db.rawQuery(selectAllQuery, new String[]{brand_name, "unsold"});
I want to merge two sequelize query into single sequelize query

I want to merge two sequelize query into single sequelize query

By : Dyan Muska
Date : March 29 2020, 07:55 AM
Hope that helps What I'm trying to find is first select those comments which contain my search param it will return postId's then select the whole post with all comments including that comment also which we've searched using search param!
code :
    include: [{
        model: comment
    where : {
        id : {
            [Op.in] : [connection.literal(`select PostId from comment where the_comments like '%${search}%'`)]
.then(result => {
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