index 62ef78412a51a322402ff72e9b93ae13fb7137a7..f8157d8dc6762592df540dc82163ccff30bf44ac 100644 (file)
to index tuples to indicate if a tuple is currently visible to
all transactions when the first valid heap lookup happens. This
bit would have to be cleared when a heap tuple is expired.
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+
* Consider automatic caching of queries at various levels:
o Parsed query tree
o Query execute plan