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…
Tag: flask
Select row where column is different from previous row
I am trying to write a query to track the changes of a boolean column in a table. The table looks like this So what i would want is row 3 where the is_active changed to false. Then after that i would want the next row where it changed to true again. This is what i tried: So the subquery
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 onl…
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 dum…
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 se…