- Mastering PostgreSQL 9.6
- Hans Jurgen Schonig
- 49字
- 2021-07-09 19:57:19
Hacking up an operator class for a B-tree
To give you a practical example of what an operator class looks like, I have hacked up some code to handle social security numbers. To keep it simple, I have paid no attention to details such as checksums and so on.
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