Support buffer forwarding in read_stream.c.
In preparation for a follow-up change to the buffer manager, teach
read_stream.c to manage buffers "forwarded" from one StartReadBuffers()
call to the next after a short read. This involves a small amount of
extra book-keeping, and opens the way for low
doc: Remove incorrect description about dropping replication slots.
pg_drop_replication_slot() can drop replication slots created on
a different database than the one where it is executed. This behavior
has been in place since PostgreSQL 9.4, when pg_drop_replication_slot()
was introduced.
Howeve
doc: Remove incorrect description about dropping replication slots.
pg_drop_replication_slot() can drop replication slots created on
a different database than the one where it is executed. This behavior
has been in place since PostgreSQL 9.4, when pg_drop_replication_slot()
was introduced.
Howeve
doc: Remove incorrect description about dropping replication slots.
pg_drop_replication_slot() can drop replication slots created on
a different database than the one where it is executed. This behavior
has been in place since PostgreSQL 9.4, when pg_drop_replication_slot()
was introduced.
Howeve
doc: Remove incorrect description about dropping replication slots.
pg_drop_replication_slot() can drop replication slots created on
a different database than the one where it is executed. This behavior
has been in place since PostgreSQL 9.4, when pg_drop_replication_slot()
was introduced.
Howeve
Simplify EXPLAIN code for Memoize
This removes a needless special case for Memoize's FORMAT TEXT EXPLAIN
output.
ExplainPropertyText() outputs the same thing in text mode as the
special-case code was doing, so removing the special-case code results in
the same EXPLAIN output, just with less code.
smgr: Hold interrupts in most smgr functions
We need to hold interrupts across most of the smgr.c/md.c functions, as
otherwise interrupt processing, e.g. due to a < ERROR elog/ereport, can
trigger procsignal processing, which in turn can trigger smgrreleaseall(). As
the relevant code is not reentr
Add an additional hook for EXPLAIN option validation.
Commit c65bc2e1d14a2d4daed7c1921ac518f2c5ac3d17 made it possible for
loadable modules to add EXPLAIN options. Normally, any necessary
validation can be performed by the hook function passed to
RegisterExtensionExplainOption, but if a loadable m
Add test for pg_upgrade file transfer modes.
This new test checks all of pg_upgrade's file transfer modes. For
each mode, we verify that pg_upgrade either succeeds (and some test
objects successfully reach the new version) or fails with an error
that indicates the mode is not supported on the cur
Add vacuum_truncate configuration parameter.
This new parameter works just like the storage parameter of the
same name: if set to true (which is the default), autovacuum and
VACUUM attempt to truncate any empty pages at the end of the table.
It is primarily intended to help users avoid locking iss
On Thursday, March 20, 2025, Tom Lane wrote:
> Nathan Bossart writes:
> > Since there's presently no way to determine whether a Boolean
> > storage parameter is explicitly set or has just picked up the
> > default value, this commit also introduces an isset_offset member
> > to relopt_parse_elt.
On Thu, 13 Mar 2025 at 21:33, Peter Eisentraut wrote:
> Ok, this is weird, because we have pg_unreachable() support for MSVC:
>
> #if defined(HAVE__BUILTIN_UNREACHABLE) && !defined(USE_ASSERT_CHECKING)
> #define pg_unreachable() __builtin_unreachable()
> #elif defined(_MSC_VER) && !defined(USE_ASS
Revert workarounds for -Wmissing-braces false positives on old GCC
We have collected several instances of a workaround for GCC bug 53119,
which caused false-positive compiler warnings. This bug has long been
fixed, but was still seen on the buildfarm, most recently on lapwing
with gcc (Debian 4.7
Fix extension control path tests
Change expected extension to be installed from amcheck to plpgsql since
not all build farm animals has the contrib module installed.
Author: Matheus Alcantara
Reported-by: Tom Lane
Discussion:
https://www.postgresql.org/message-id/flat/e7c7bffb-8857-48d4-a71f-8
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