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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
..
access Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
bootstrap Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
catalog Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
commands Add GUC temp_tablespaces to provide a default location for temporary 2007-01-25 04:35:11 +00:00
executor Add support for cross-type hashing in hashed subplans (hashed IN/NOT IN cases 2007-02-06 02:59:15 +00:00
lib Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
libpq Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
mb Fix machine-dependent crash in sqlchar_to_unicode(). Get rid of 2006-12-24 00:57:48 +00:00
nodes Add support for cross-type hashing in hashed subplans (hashed IN/NOT IN cases 2007-02-06 02:59:15 +00:00
optimizer Add COST and ROWS options to CREATE/ALTER FUNCTION, plus underlying pg_proc 2007-01-22 01:35:23 +00:00
parser Support ORDER BY ... NULLS FIRST/LAST, and add ASC/DESC/NULLS FIRST/NULLS LAST 2007-01-09 02:14:16 +00:00
port On Windows, use pgwin32_waitforsinglesocket() instead of select() to wait for 2007-01-26 20:06:52 +00:00
postmaster Arrange for autovacuum to be killed when another operation wants to be alone 2007-01-16 13:28:57 +00:00
regex Wording cleanup for error messages. Also change can't -> cannot. 2007-02-01 19:10:30 +00:00
rewrite Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
storage Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
tcop Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
utils Combine cmin and cmax fields of HeapTupleHeaders into a single field, by 2007-02-09 03:35:35 +00:00
c.h Rename MaxTupleSize to MaxHeapTupleSize to clarify that it's not meant to 2007-02-05 04:22:18 +00:00
fmgr.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
funcapi.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
getaddrinfo.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
getopt_long.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
Makefile Allow installation into directories containing spaces in the name. 2005-12-09 21:19:36 +00:00
miscadmin.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
pg_config.h.in Add strlcat() from OpenBSD, to be used for replacing strncat and other 2007-02-07 00:28:55 +00:00
pg_config.h.win32 Squelch some VC++ compiler warnings. Mark float literals with the "f" 2007-01-26 17:45:42 +00:00
pg_config_manual.h Move NAMEDATALEN definition from postgres_ext.h to pg_config_manual.h. It 2007-02-06 09:16:08 +00:00
pg_trace.h pgindent run for 8.2. 2006-10-04 00:30:14 +00:00
pgstat.h Add a function pg_stat_clear_snapshot() that discards any statistics snapshot 2007-02-07 23:11:30 +00:00
pgtime.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
port.h Add strlcat() from OpenBSD, to be used for replacing strncat and other 2007-02-07 00:28:55 +00:00
postgres.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
postgres_ext.h Move NAMEDATALEN definition from postgres_ext.h to pg_config_manual.h. It 2007-02-06 09:16:08 +00:00
postgres_fe.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
rusagestub.h Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00