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/TITLE/When?/1/1 I send the request from react like this: Answer Use javascript function encodeURIComponent() to escape special characters in URL parameters. For example
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 of whitelist and blacklist
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/userguide/database/query_builder.html#looking-for-specific-data
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 identifier which is odd since procedure has been created. Answer You’re almost there. To pass an array, try using ARRAY_CONSTRUCT or PARSE_JSON,
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 on how to fix the code below? Answer you can use the
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 your array should
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 functions which