Yves Weißig wrote: > I can not find "amcostestimate" in hash.h or anywhere, or am I > missing something? Search for hashcostestimate here: http://git.postgresql.org/gitweb?p=postgresql.git;a=blob;f=src/backend/utils/adt/selfuncs.c To find that, I ran this query: select * from pg_am; That showed me that the name for the hash implementation of that function was hashcostestimate. Then I ran this in my bash shell, at the root of the source tree: find -name '*.h' -or -name '*.c' \ | egrep -v '^\./src/test/.+/tmp_check/' \ | xargs egrep -n '\bhashcostestimate\b' -Kevin
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