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Generalize concept of temporary relations to "relation persistence".
This commit replaces pg_class.relistemp with pg_class.relpersistence; and also modifies the RangeVar node type to carry relpersistence rather than istemp. It also removes removes rd_istemp from RelationData and instead performs the correct computation based on relpersistence. For clarity, we add three new macros: RelationNeedsWAL(), RelationUsesLocalBuffers(), and RelationUsesTempNamespace(), so that we can clarify the purpose of each check that previous depended on rd_istemp. This is intended as infrastructure for the upcoming unlogged tables patch, as well as for future possible work on global temporary tables.
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- src/backend/access/gin/ginbtree.c 3 additions, 3 deletionssrc/backend/access/gin/ginbtree.c
- src/backend/access/gin/ginfast.c 3 additions, 3 deletionssrc/backend/access/gin/ginfast.c
- src/backend/access/gin/gininsert.c 2 additions, 2 deletionssrc/backend/access/gin/gininsert.c
- src/backend/access/gin/ginutil.c 1 addition, 1 deletionsrc/backend/access/gin/ginutil.c
- src/backend/access/gin/ginvacuum.c 2 additions, 2 deletionssrc/backend/access/gin/ginvacuum.c
- src/backend/access/gist/gist.c 6 additions, 6 deletionssrc/backend/access/gist/gist.c
- src/backend/access/gist/gistvacuum.c 1 addition, 1 deletionsrc/backend/access/gist/gistvacuum.c
- src/backend/access/heap/heapam.c 17 additions, 17 deletionssrc/backend/access/heap/heapam.c
- src/backend/access/heap/pruneheap.c 1 addition, 1 deletionsrc/backend/access/heap/pruneheap.c
- src/backend/access/heap/rewriteheap.c 3 additions, 3 deletionssrc/backend/access/heap/rewriteheap.c
- src/backend/access/nbtree/nbtinsert.c 3 additions, 3 deletionssrc/backend/access/nbtree/nbtinsert.c
- src/backend/access/nbtree/nbtpage.c 5 additions, 5 deletionssrc/backend/access/nbtree/nbtpage.c
- src/backend/access/nbtree/nbtsort.c 6 additions, 6 deletionssrc/backend/access/nbtree/nbtsort.c
- src/backend/bootstrap/bootparse.y 2 additions, 0 deletionssrc/backend/bootstrap/bootparse.y
- src/backend/catalog/catalog.c 15 additions, 1 deletionsrc/backend/catalog/catalog.c
- src/backend/catalog/heap.c 8 additions, 5 deletionssrc/backend/catalog/heap.c
- src/backend/catalog/index.c 6 additions, 4 deletionssrc/backend/catalog/index.c
- src/backend/catalog/namespace.c 6 additions, 6 deletionssrc/backend/catalog/namespace.c
- src/backend/catalog/storage.c 20 additions, 4 deletionssrc/backend/catalog/storage.c
- src/backend/catalog/toasting.c 2 additions, 1 deletionsrc/backend/catalog/toasting.c
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