I have form that to registering some site. I want to check when user is writing username code will check that have or not in database
Tag: javascript
How to pass a question mark express router api to update sql
I want to update a varchar field (String) using and End-Point Api (Express NodeJS) but I have problem went I pass invalid inputs like question mark. Express End-Point: This code work fine: http://localhost:3001/api/updateField/posts/TITLE/When/1/1 But this NOT WORK: http://localhost:3001/api/updateField/posts…
mySQL: Select rows if text column contains an item on a blacklist
I am trying to create a query that can select all posts from my database that contain a blacklisted tag unless the post contains a whitelisted tag. Tags are stored in a text column (i.e., ” tag1 tag2 tag3 “). Take for example this pseudo code: Is it possible to generate a query using the contents …
How to update multiple records in Codeigniter
In above code snippet first function is declared in controller and second function is declared in model. I want to update owner for multiple rows having ids in $astrep. Can anyone please help me? Answer You can use whereIn() or orWhereIn() methods from query builder class. Refer https://codeigniter4.github.io…
SQLite – Sort and get the number in the list
sql.all(`SELECT * FROM users ORDER BY points DESC`).then() How can I sort the list and get the current number on the list? Example: LIST: USERID | POINTS 1 | 20 2 | 100 3 | 67 VAR MYID = 1 Output: …
UDF JavaScript implementation into Snowflake
I found usefull JS function that I want to implement into snowflake’s UDF in order to move complex computation to the dwh. http://trentrichardson.com/2010/04/06/compute-linear-regressions-in-javascript/ Attempt to rework above as SQL procedure: Execution fails with error: SQL compilation error: Invalid …
How to correctly execute this promise based SQL Query?
I’m using MySQL2 to connect my Node.js app with a MySQL Database. Unfortunately trying to perform some promise based prepared statements I just can’t get a proper function setup that either returns successfully after entering the record or to throw an error whenever something goes wrong. Any ideas…
I want this query in Sequelize form
I am getting the output in RAW SQL but I am unable to do with SequelizeJS SELECT * FROM `tbl_a` a LEFT JOIN `tbl_b` b on b.b_uuid = a.a_uuid LEFT JOIN `tbl_c` c on c.c_uuid = a.a_uuid
SQL transaction with JS Array of Objects?
Say i have an Array of Objects Now i create a comma seperated list To pass it to sql.transaction? is there any other way then to loop through the array and pass object each by one or can i pass bulk array? When i pass the comma_seperated_list_response it says Error object Object Answer If every object into yo…
IntelliJ IDEA does not recognise specific database schema in Javascript/Typescript files
At some point I was amazed when I managed to set the support of specific schema in my nodejs modules. Unfortunately, later IntelliJ IDEA decided to crash and I needed to remove my .idea folder, thus I lost all of my configurations. So, the problem is that when I write SQL queries it does not find tables or fu…