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Toxic Queries

This is an experiment to test how slow can a toxic query be.

Setup

Machine: Macbook Pro

CPU: M1 Max

Memory: 32GB

OS: macOS Monterey

Record set: 500,000

Benchmarks

Statement Operation
COUNT with * 0.009784 ns/op
COUNT with Primary Key 0.01063 ns/op
COUNT with Explain 0.0001766 ns/op
Statement Operation
LIKE with Leading % 0.1275 ns/op
LIKE without Leading % 0.09251 ns/op
Statement Operation
Offset Based Pagination 204339916750 ns/op
Cursor Based Pagination 1339252750 ns/op
Statement Operation
INSERT with Stored Procedure 0.0002593 ns/op
INSERT 0.0001896 ns/op