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VACUUM's rel_pages field indicates the size of the target heap rel just
after the table_relation_vacuum() operation began. There are specific
expectations around how rel_pages can be related to other nearby state.
In particular, the range of rel_pages must contain every tuple in the
relation whose tuple headers might contain an XID < OldestXmin.
Consistently refer to the field as rel_pages to make this clearer and
more discoverable.
This is follow-up work to commit
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backend | ||
bin | ||
common | ||
fe_utils | ||
include | ||
interfaces | ||
makefiles | ||
pl | ||
port | ||
template | ||
test | ||
timezone | ||
tools | ||
tutorial | ||
.gitignore | ||
DEVELOPERS | ||
Makefile | ||
Makefile.global.in | ||
Makefile.shlib | ||
nls-global.mk |