How to Filter Records Submitted Today in SQLite Using SQLAlchemy

Learn how to effectively filter records for today’s date in SQLite using SQLAlchemy. This guide provides clear explanations and code solutions for developers.
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Filter records submitted today in SQLite using SQLAlchemy

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Filtering Records Submitted Today in SQLite Using SQLAlchemy

When developing applications that manage timestamped data, being able to filter records by the current date can be crucial. If you're working with SQLite and trying to filter records submitted today using SQLAlchemy, you might encounter some challenges.

In this guide, we will explore how to effectively implement this functionality, drawing on a common problem faced by developers transitioning from Postgres to SQLite.

The Problem

You may have developed a function in Postgres that works perfectly for filtering today's entries. It uses a straightforward query:

[[See Video to Reveal this Text or Code Snippet]]

However, upon switching to SQLite, you might find that no records are returned even if you expect some. The output might show an empty list, rendering your filtering efforts unsuccessful:

[[See Video to Reveal this Text or Code Snippet]]

What you need is a query that accurately retrieves records with a timestamp of the current day in SQLite.

The Solution

Fortunately, there is a simple solution that leverages SQLAlchemy’s powerful query capabilities. By using the func module from SQLAlchemy, specifically the date() function, you can filter for records submitted today. Here’s how to do it:

Step-by-Step Breakdown

Import Necessary Libraries: Ensure you have func imported from SQLAlchemy and date from the datetime module.

[[See Video to Reveal this Text or Code Snippet]]

Construct the Query: Replace your previous query with the following code snippet:

[[See Video to Reveal this Text or Code Snippet]]

This line does the following:

Retrieve the Results: Now you can retrieve the results from your query. This query will return only those records that have been entered today.

Example Usage

Here’s a full example putting it all together:

[[See Video to Reveal this Text or Code Snippet]]

This function, get_today_records, fetches all entries made today and prints them out.

Conclusion

Now, you can confidently handle timestamp queries in both Postgres and SQLite environments effectively. Happy coding!