I want to conditionally fill the missing and update the value from another dataframe. I want to fill missing and update the data on column values in dataframe smalldf. The condition is, if the value in B column (large df) is in the range of columns Range_FROM and Range_TO in (small df). Always choose the minimum records in (largedf) to
Tag: python
Adding counts from one dataframe to another dataframe on corresponding row
I would like to count the number of record in dataframe2 and add the count to the corresponding rows in dataframe1. The first one (df1) Road RoadNo Count A 1 0 A 2 0 B 1 0 B 2 0 The second one (df2) Road RoadNo A 1 A 1 A 1 A 2 A 2 B 1 The expected
Any way to pass operators <, , >= into sql-query?
I have such piece of program: What I want to do is write ‘<‘ in command in the same way as {table} and {pkey}, that means I want to pass operators into command from variable. Can I do it? The face of the app looks like this A little bit more of code context. It’s an app, that should get
Python how to update a sql server from a dictionary?
I have an INSERT statement that looks like: How do I turn it into an UPDATE statement? I’ve got this so far… Not sure how to join the key/value pairs in the dictionary to make it in the right format. Edit: Answer here is the generated query string that you can use Read More Here
PYTHON SQLITE selecting multiple where conditions that may or may not exist
Working on some code that uses pysimplegui as the UI and SQlite for the data sorting. I’m using SQLite’s execute function to select data based on input from the user in the UI through variables. For example user wants to search for part name they input all or part of the name into the box, hit the search button which
Why does sqlite3 not escape metacharacters with parameterized values?
I’m making a database interface in python for a project where i need to encrypt everything that goes into my database and decrypt everything that goes out of it. Unfortunately some of my characters get encrypted to meta characters in sql and this gives trouble when selecting something from the database. The first thing that came up was to use
find by name the id of a multi level categorie
my main problem is how can i search by name the id of a given category, let me explain , so ,in my database i have a table called product_category where is stored a 5 level categories. let’s take an example of it: id name parent_id 1 A 2 B 1 3 C 2 4 D 5 A 4 6
Find total IDs between two dates that satisfies a condition
I have a dataset PosNeg like this. I need to find count of ID’s who have a pattern like this- P N P P or N P N N P N – that is having at least one N (negative) between two P’s(positive). If this pattern occurs at least once, then count that ID. Date is always in ascending order.
Python Script to run SQL query UPDATE statement to loop through each row in result set and update columns
Newby working on my first project. Sorry for this explanation. I have 2 x tables: t1: master table with single rows (unique project-id) and 3 status fields, s1,s2,s3 t2: list table with repeating project_id’s with 3 status fields s1,s2,s3 (and other data not relevant here). The value in the s1-3 fields is either true(1) or false(0) table1: project_id, status1, status2,
Pythonic way to optimize SQL VIEW count to extract information schema metadata from Snowflake
I have 12 VIEW tables in Snowflake and I would like to extract TABLE_NAME,CREATED,LAST_ALTERED from Snowflakes INFORMATION Schema for View tables, and also want to get row count for each 12 VIEW tables, along with metadata for Base table mentioned in below code.I was wondering if there is way get row count using below code for 12 VIEW tables or