Add a caveat to hash_seq_init_with_hash_value() header comment
The typical use-case for hash_seq_init_with_hash_value() is syscache
callback. Add a caveat that the default hash function doesn't match syscache
hash function. So, one needs to define a custom hash function.
Reported-by: Pavel Stehule
Discussion: https://postgr.es/m/CAFj8pRAXmv6eyYx%3DE_BTfyK%3DO_%2ByOF8sXB%3D0bn9eOBt90EgWRA%40mail.gmail.com
Reviewed-by: Pavel Stehule
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/d0c8cf2a56fadb08705433bffb301559d97b0712
Modified Files
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src/backend/utils/hash/dynahash.c | 5 +++++
1 file changed, 5 insertions(+)