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to avoid losing useful Xid information in not-so-old tuples. This makes CLUSTER behave the same as VACUUM as far a tuple-freezing behavior goes (though CLUSTER does not yet advance the table's relfrozenxid). While at it, move the actual freezing operation in rewriteheap.c to a more appropriate place, and document it thoroughly. This part of the patch from Tom Lane. |
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common | ||
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hash | ||
heap | ||
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nbtree | ||
transam | ||
Makefile |