I have a rather complex peewee query that looks like that: This one actually works, generating the following SQL query: But I don’t really want to use RIGHT_JOIN as it isn’t supported by SQLite. When trying to query using the subquery query and JOINing the Solution table into the subquery’s result, I get an error from peewee. The new query:
Tag: flask
Updating HTML Table Every 60 Seconds
I am trying to use an ajax call to update an HTML table every 60 seconds on a flask app. I am very new to flask and jquery, and followed this similar stackoverflow question: Python Flask Refresh table every 60 seconds However my table isn’t displaying any data. Currently my app.py file is setup as below: And my nfl_template.html: When
AttributeError: ‘NoneType’ object has no attribute ’email’. Flask-sqlalchemy
i’ve a strange problem… i do this: and gives me this problem: Who can help me?? thanks <3 Answer it means it didn’t find any users matching your filter
ORM query many to many to one, Flask sql-alchemy
I have three flask-sqlalchemy-models. Books – unique entries by admin: class Book(db.Model): id = db.Column(db.Integer, primary_key=True, autoincrement=True) book_name = db.Column(db.String(20)…
Best way to create and host a python webapp that takes user input and adds it to sql databases?
I’m currently working on a project to make data entry easier for myself, I have sql tables set up in an azure database, and i can write python code that adds data to them easily enough, but what i …
The function processes the sql request
The function processes the sql request. It receives parameters and one of them can be either “null” or a value (uuid), I need to add this value to where. But there is a problem, because with null “where param is null”, but with the value “where param = value” Example Answer In sql, null = null and null <> null
single or multiple search with a single query based on condition
For example i have this table component_information with these atrribute I will pass the group_code,category_code,compnent_code from the frontend for searching.Now i want to do single or multiple search based on this. Like on first condition if it gets only group_code value from frontend it will do search only based on group_code.On second condition,If it gets group_code and category_code then it
For loop in Jinja2 splitting the chars in nested list, instead of returning whole of nested list
My doubts list is [[‘a’,’b’,’This is a sentence’]] My HTML (Jinja) is My Flask is :- x is giving a,b,T,h,i,s,i,s,a,s,e,n,t,e,n,c,e [Each char one iteration] I expected a,b,This is a sentence. [Only one iteration] How do I resolve this? Thanks in advance! Answer You have dumped the output to json for some reason. Don’t do that. Pass the value of cursor.fetchall()
How to implement a search function using a raw SQL query
I am creating an app guided by CS50’s web series, which requires me to ONLY use raw SQL queries not ORM. I am trying to make a search function where a user can look up the list of books that’s …
SQL wildcards in PYMYSQL search
I am struggling to put together a simple SQL wildcard search for my Flask application. I am using an HTML form field to run a simple mysql query “WHERE CustomerName LIKE ‘a%'”- https://www.w3schools.com/sql/sql_wildcards.asp – However I am unable to get the right positioning for the search place holder… here the HTML form field (working fine) The python route and finally