Michael Paquier wrote:

> Exposing compression and decompression APIs of pglz makes possible its
> use by extensions and contrib modules. pglz_decompress contained a call
> to elog to emit an error message in case of corrupted data. This function
> is changed to return a boolean status to let its callers return an error
> instead.

I think pglz_compress belongs into src/common instead.  It
seems way too high-level for src/port.

Isn't a simple boolean return value too simple-minded?  Maybe an enum
would be more future-proof, as later you might want to add more values,
say distinguish between different forms of corruption, or fail due to
out of memory, whatever.

Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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