Add read_stream_{pause,resume}()
Read stream users can now pause lookahead when no blocks are currently
available. After resuming, subsequent read_stream_next_buffer() calls
continue lookahead with the previous lookahead distance.
This is especially useful for read stream users with self-referent
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Fix rare instability in recovery TAP test 009_twophase
The phase of the test where we want to check that 2PC transactions
prepared on a primary can be committed on a promoted standby relied on
an immediate stop of the primary. This logic has a race condition: it
could be possible that some record
Remove redundant restriction checks in apply_child_basequals
In apply_child_basequals, after translating a parent relation's
restriction quals for a child relation, we simplify each child qual by
calling eval_const_expressions. Historically, the code then called
restriction_is_always_false and re
Remove obsolete SAMESIGN macro
The SAMESIGN macro was historically used as a helper for manual
integer overflow checks. However, since commit 4d6ad3125 introduced
overflow-aware integer operations, this manual sign-checking logic is
no longer necessary.
The macro remains defined in brin_minmax_m
Add some tests for CREATE OR REPLACE VIEW with column additions
When working on an already-defined view with matching attributes, CREATE
OR REPLACE VIEW would internally generate an ALTER TABLE command with a
set of AT_AddColumnToView sub-commands, one for each attribute added.
Such a command is
Change default value of default_toast_compression to "lz4", when available
The default value for default_toast_compression was "pglz". The main
reason for this choice is that this option is always available, pglz
code being embedded in Postgres. However, it is known that LZ4 is more
efficient th
Reduce the scope of volatile qualifiers
Commit c66a7d75e652 introduced a new "cast discards ‘volatile’"
warning (-Wcast-qual) in vac_truncate_clog().
Instead of making use of unvolatize(), remove the warning by reducing the
scope of the volatile qualifier (added in commit 2d2e40e3bef) to only
2 f
doc: Add restart on failure to example systemd file
The documentation previously had a systemd unit file that would not
attempt to recover from process failures such as OOM's, segfaults,
etc. This commit adds "Restart=on-failure",` which tells systemd to
attempt to restart the process after failu
Reduce scope of for-loop-local variables to avoid shadowing
Adjust a couple of for-loops where a local variable was shadowed by
another in the same scope, by renaming it as well as reducing its scope
to the containing for-loop.
Author: Chao Li
Reviewed-by: Peter Smith
Reviewed-by: Álvaro Herrer
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