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Jeff Davis 6ae4e8eae7 Allow simplehash to use already-calculated hash values. ... Add _lookup_hash and _insert_hash functions for callers that have already calculated the hash value of the key. The immediate use case is for hash algorithms that write to disk in partitions. The hash value can be calculated once, used to perform a lookup, used to select the partition, then written to the partition along with the tuple. When the tuple is read back, the hash value does not need to be recalculated. Author: Jeff Davis Reviewed-by: Andres Freund Discussion: https://postgr.es/m/48abe675e1330f0c264ab2fe0d4ff23eb244f9ef.camel%40j-davis.com		7 years ago
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binaryheap.h	Phase 2 pgindent run for v12.	7 years ago
bipartite_match.h	Update copyright for 2019	7 years ago
bloomfilter.h	Phase 2 pgindent run for v12.	7 years ago
dshash.h	Phase 2 pgindent run for v12.	7 years ago
hyperloglog.h	Update copyright for 2019	7 years ago
ilist.h	Update copyright for 2019	7 years ago
integerset.h	Add IntegerSet, to hold large sets of 64-bit ints efficiently.	7 years ago
knapsack.h	Phase 2 pgindent run for v12.	7 years ago
pairingheap.h	Phase 2 pgindent run for v12.	7 years ago
rbtree.h	Phase 2 pgindent run for v12.	7 years ago
simplehash.h	Allow simplehash to use already-calculated hash values.	7 years ago
stringinfo.h	Phase 2 pgindent run for v12.	7 years ago