Lock code says it calculates "hash value once and then pass around as needed".
But it actually calculates it twice for new locks. Trivial patch attached to make it follow the comments in LockTagHashCode and save a few cycles. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
hash_once.v1.patch
Description: Binary data
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