optimizer → nodes Relation

File in src/include/optimizer	Includes file in src/include/nodes
clauses.h	relation.h
cost.h	plannodes.h
cost.h	relation.h
geqo.h	relation.h
geqo_gene.h	nodes.h
joininfo.h	relation.h
pathnode.h	relation.h
paths.h	relation.h
placeholder.h	relation.h
plancat.h	relation.h
planmain.h	plannodes.h
planmain.h	relation.h
planner.h	plannodes.h
planner.h	relation.h
predtest.h	primnodes.h
prep.h	plannodes.h
prep.h	relation.h
restrictinfo.h	relation.h
subselect.h	plannodes.h
subselect.h	relation.h
var.h	relation.h