The author shares their journey of optimizing a Postgres query to make it 1,000 times faster. They discovered that the query was taking longer and longer each time it was executed due to processing all rows in the table and the use of a filter instead of an index condition. By using row constructor comparisons, they were able to significantly improve the query performance.

16m read time From mattermost.com
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The first investigationThe first solutionActually understanding everythingThe beautiful solutionThe solution we needWhat we learned
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