I am using on conflict clause for insert query like this: insert into "public"."tbl" ("id", "col1", "col2") values ($1, $2, $3) on conflict ("id") do update set "id" = $4,"col1" = $5,"col2" = $6 returning "id" and I am getting…
I have the following table - orders: id value price amount 2 'orange' $12 7 8 'yellow' $14 29 5 'green' $17 9 I have to perform SELECT query with WHERE IN clause SELECT value FROM order WHERE id IN…
I want to query items from Postgres database with knex. In the database, I have two separate columns first_name and last_name, but I need to compare them both to a single value which is formatted "last_name, first_name". How can I…
I have a table like: id login amount 22 *@mail.co 230 39 state}.com 340 I need to replace (escape) special characters of login column cells like in this JS method: strstr.replace(/[.*+?^${}()|[]\]/g, "\$&"). Using knexjs library with Postgres DB, I tried…
This is currently what I am doing to insert data to sqlite db from a csv file that has ~2,000,000 rows. Is there a more memory efficient way? When I try to insert data using knex.js inside the .on('data' ...),…
I have created a webpage and using postgresql as database. It works simply :- register users name, email and password login using registered email and password and then a welcome messege appears Now, i added another button 'forgot password' button…
My Code: function checkLogIn() { var emailValue = document.getElementById("emails").value; var usernameValue = document.getElementById("username").value; var passwordValue = document.getElementById("password").value; knex("users").select("id").where({ email: emailValue, username: usernameValue, password: passwordValue, }); } It should takes values from HTML and compare HTML values with MySQL DB values.…
/I've already established a connection in knex with mysql and i am trying to do a loginForm connected to mysql db and right now i am doing a login check.I was wondering if there is any difference between this: knex().select("id").from("users)…
I have a list of sensitive fields that needs to encrypted before inserting into my MySQL tables, and decrypt them post retrieving it. I thought of the following ways to implement this. Implement a DATABASE Trigger that will encrypt/decrypt the…
Currently I'm using a timer with node-schedule to check for changes in the database, making queries every 1 minute and then comparing with the information already registered to see if there were changes since the last check. With what I…