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  • 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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