Tag Archives: hashtypes
PostgreSQL: Retroactively Adding Binary I/O to a Type
Here we go through the motions af adding binary input/output functions to an already existing type. We start by introducing a program that tests binary I/O for the given types, then show how to implement the binary I/O in C and finally how to fix the PostgreSQL catalog tables for the new functionality. We also include the changes in the installation script for normal installation of the new version.
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