PostgreSQL Source Code  git master

auto_explain → src Relation

File in contrib/auto_explainIncludes file in src
auto_explain.cinclude / commands / explain.h
auto_explain.cinclude / utils / guc.h
auto_explain.cinclude / executor / instrument.h
auto_explain.cinclude / jit / jit.h
auto_explain.cinclude / access / parallel.h
auto_explain.cinclude / postgres.h