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Printing the generated query including parameters

Sun 23 October 2016 by Johannes Bornhold in develop Tags sqlalchemy / sql

Small example how to print out a SQLAlchemy query with parameters being expanded.

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Sort certain result items on top in PostgreSQL

Wed 19 October 2016 by Johannes Bornhold in develop Tags sql / postgres / search

When displaying items based on a database search, one sometimes wants to display a specific set of items at the top or bottom of the result set. Applying the custom order inside of the database query allows to still use LIMIT and OFFSET in a natural way.

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Comparing tables in PostgreSQL

Thu 29 September 2016 by Johannes Bornhold in develop Tags postgresql / sql / snippet

Two approaches to quickly compare two similar tables and get an idea of how many records differ based on an example with geo data.

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Roughly counting rows in PostgreSQL

Wed 07 September 2016 by Johannes Bornhold in develop Tags postgresql / sql

Small SQL snippet to quickly get an overview of the row count in a PostgreSQL database.

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