postgres/PostgreSQL/src/backend/optimizer/util/ Source Tree

../
appendinfo.c
clauses.c
inherit.c
joininfo.c
orclauses.c
paramassign.c
pathnode.c
placeholder.c
plancat.c
predtest.c OprProofCacheEntry OprProofCacheKey PredIterInfoData
relnode.c JoinHashEntry
restrictinfo.c
tlist.c
var.c

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