pgsql: Add a caveat to hash_seq_init_with_hash_value() header comment - Mailing list pgsql-committers

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(+)