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postgresql/src/backend/access/common
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Tom Lane c398300330 Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 
keeping private state in each backend that has inserted and deleted the same
tuple during its current top-level transaction.  This is sufficient since
there is no need to be able to determine the cmin/cmax from any other
transaction.  This gets us back down to 23-byte headers, removing a penalty
paid in 8.0 to support subtransactions.  Patch by Heikki Linnakangas, with
minor revisions by moi, following a design hashed out awhile back on the
pghackers list.
 		2007-02-09 03:35:35 +00:00
..
Makefile Remove remains of old depend target. 2007-01-20 17:16:17 +00:00
heaptuple.c Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
indextuple.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
printtup.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
reloptions.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
scankey.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
tupdesc.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00