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Invent WAL timelines, as per recent discussion, to make point-in-time

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recovery more manageable.  Also, undo recent change to add FILE_HEADER
and WASTED_SPACE records to XLOG; instead make the XLOG page header
variable-size with extra fields in the first page of an XLOG file.
This should fix the boundary-case bugs observed by Mark Kirkwood.
initdb forced due to change of XLOG representation.
This commit is contained in:
Tom Lane
2004-07-21 22:31:26 +00:00
parent 8d3517dc1f
commit 2042b3428d
26 changed files with 1322 additions and 982 deletions
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14
src/backend/commands/vacuum.c
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@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.283 2004/07/20 22:56:29 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.284 2004/07/21 22:31:21 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2341,7 +2341,7 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
recptr = log_heap_clean(onerel, buf, unused, uncnt);
PageSetLSN(page, recptr);
PageSetSUI(page, ThisStartUpID);
PageSetTLI(page, ThisTimeLineID);
}
else
{
@@ -2491,10 +2491,10 @@ move_chain_tuple(Relation rel,
if (old_buf != dst_buf)
{
PageSetLSN(old_page, recptr);
PageSetSUI(old_page, ThisStartUpID);
PageSetTLI(old_page, ThisTimeLineID);
}
PageSetLSN(dst_page, recptr);
PageSetSUI(dst_page, ThisStartUpID);
PageSetTLI(dst_page, ThisTimeLineID);
}
else
{
@@ -2611,9 +2611,9 @@ move_plain_tuple(Relation rel,
dst_buf, &newtup);
PageSetLSN(old_page, recptr);
PageSetSUI(old_page, ThisStartUpID);
PageSetTLI(old_page, ThisTimeLineID);
PageSetLSN(dst_page, recptr);
PageSetSUI(dst_page, ThisStartUpID);
PageSetTLI(dst_page, ThisTimeLineID);
}
else
{
@@ -2807,7 +2807,7 @@ vacuum_page(Relation onerel, Buffer buffer, VacPage vacpage)
recptr = log_heap_clean(onerel, buffer, unused, uncnt);
PageSetLSN(page, recptr);
PageSetSUI(page, ThisStartUpID);
PageSetTLI(page, ThisTimeLineID);
}
else
{