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Rename nodes/relation.h to nodes/pathnodes.h.

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The old name of this file was never a very good indication of what it
was for.  Now that there's also access/relation.h, we have a potential
confusion hazard as well, so let's rename it to something more apropos.
Per discussion, "pathnodes.h" is reasonable, since a good fraction of
the file is Path node definitions.

While at it, tweak a couple of other headers that were gratuitously
importing relation.h into modules that don't need it.

Discussion: https://postgr.es/m/7719.1548688728@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2019-01-29 16:49:25 -05:00
parent f09346a9c6
commit fa2cf164aa
44 changed files with 60 additions and 59 deletions
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4
src/backend/nodes/copyfuncs.c
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@ -24,8 +24,8 @@
#include "miscadmin.h"
#include "nodes/extensible.h"
#include "nodes/pathnodes.h"
#include "nodes/plannodes.h"
#include "nodes/relation.h"
#include "utils/datum.h"
#include "utils/rel.h"
@ -2196,7 +2196,7 @@ _copyOnConflictExpr(const OnConflictExpr *from)
}
/* ****************************************************************
* relation.h copy functions
* pathnodes.h copy functions
*
* We don't support copying RelOptInfo, IndexOptInfo, or Path nodes.
* There are some subsidiary structs that are useful to copy, though.