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addition.
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4TB large objects (standard 8KB BLCKSZ case). For this purpose new
libpq API lo_lseek64, lo_tell64 and lo_truncate64 are added. Also
corresponding new backend functions lo_lseek64, lo_tell64 and
lo_truncate64 are added. inv_api.c is changed to handle 64-bit
offsets.
Patch contributed by Nozomi Anzai (backend side) and Yugo Nagata
(frontend side, docs, regression tests and example program). Reviewed
by Kohei Kaigai. Committed by Tatsuo Ishii with minor editings.
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Use the terms "simple bind" and "search+bind" consistently do
distinguish the two modes (better than first mode and second mode in
any case). They were already used in some places, now it's just more
prominent.
Split up the list of options into one for common options and one for
each mode, for clarity.
Add configuration examples for either mode.
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because it is not correct.
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Instead of continuing if the next character is not an array boundary get_data()
used to continue only on finding a boundary so it was not able to read any
element after the first.
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The regular backend's main loop handles signal handling and error recovery
better than the current WAL sender command loop does. For example, if the
client hangs and a SIGTERM is received before starting streaming, the
walsender will now terminate immediately, rather than hang until the
connection times out.
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Per testing of previous patch.
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This makes the naming inside plpgsql consistent and distinguishes the
file from the backend's gram.y file. It will also allow easier
refactoring of the bison make rules later on.
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Our getnameinfo() replacement implementation in getaddrinfo.c failed
unless NI_NUMERICHOST and NI_NUMERICSERV were given as flags, because
it doesn't resolve host names, only numeric IPs. But per standard,
when those flags are not given, an implementation can still degrade to
not returning host names, so this restriction is unnecessary. When we
remove it, we can eliminate some code in postmaster.c that apparently
tried to work around that.
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The initial transition value is stored as a text string and not fed to the
transition type's input function until runtime (so that values such as
"now" don't get frozen at creation time). Previously, CREATE AGGREGATE
didn't do anything with it but that, which meant that even erroneous values
would be accepted and not complained of until the aggregate is used. This
seems unhelpful, and it's confused at least one user, as in Rhys Stewart's
recent report. It seems worth taking a few more cycles to invoke the input
function and verify that the value is acceptable. We can't do this if the
transition type is polymorphic, but in normal aggregates we know the actual
transition type so we can call the right input function.
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The previous coding of the YYLLOC_DEFAULT macro behaved strangely for empty
productions, assigning the previous nonterminal's location as the parse
location of the result. The usefulness of that was (at best) debatable
already, but the real problem is that in list-generating nonterminals like
OptFooList: /* EMPTY */ { ... } | OptFooList Foo { ... } ;
the initially-identified location would get copied up, so that even a
nonempty list would be given a bogus parse location. Document how to work
around that, and do so for OptSchemaEltList, so that the error condition
just added for CREATE SCHEMA IF NOT EXISTS produces a sane error cursor.
So far as I can tell, there are currently no other cases where the
situation arises, so we don't need other instances of this coding yet.
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These reference pages still claimed that you have to be superuser to create
a database or schema owned by a different role. That was true before 8.1,
but it was changed in commits aa1110624c08298393dfce996f7b21809d98d3fd and
f91370cd2faf1fd35a1ac74d84652a85ed841919 to allow assignment of ownership
to any role you are a member of. However, at the time we were thinking of
that primarily as a change to the ALTER OWNER rules, so the need to touch
these two CREATE ref pages got missed.
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Per discussion, schema-element subcommands are not allowed together with
this option, since it's not very obvious what should happen to the element
objects.
Fabrízio de Royes Mello
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Remove duplicate implementation of catalog munging and miscellaneous
privilege and consistency checks. Instead rely on already existing data
in objectaddress.c to do the work.
Author: KaiGai Kohei
Tweaked by me
Reviewed by Robert Haas
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examine_simple_variable supposed that any RTE_SUBQUERY rel it gets pointed
at must have been planned already. However, this isn't a safe assumption
because we must do selectivity estimation while generating indexscan paths,
and that code might look at join clauses involving a rel that the loop in
set_base_rel_sizes() hasn't reached yet. The simplest fix is to play dumb
in such a situation, that is give up trying to extract any stats for the
Var. This could possibly be improved by making a separate pass over the
RTE list to plan each unflattened subquery before we start the main
planning work --- but that would be pretty invasive and it doesn't seem
worth it, for now at least. (We couldn't just break set_base_rel_sizes()
into two loops: the prescan would need to handle all subquery rels in the
query, not only those in the current join subproblem.)
This bug was introduced in commit 1cb108efb0e60d87e4adec38e7636b6e8efbeb57,
although I think that subsequent changes may have exposed it more than it
was originally. Per bug #7580 from Maxim Boguk.
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Apparently this was considered in the original code (see commit
cec3b0a9) but I failed to notice that such entries would always be
skipped by the database check at the start of the loop.
Per bugs #7578 by Nikolay, #6116 by tushar.qa@gmail.com.
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This allows logging only some fraction of transactions, greatly reducing
the amount of log generated.
Tomas Vondra, reviewed by Robert Haas and Jeff Janes.
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You can now get the number of rows processed by a COPY statement in a
PL/pgSQL function with "GET DIAGNOSTICS x = ROW_COUNT".
Pavel Stehule, reviewed by Amit Kapila, with some editing by me.
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The comment explaining the naming of timeline history files was wrong, and
the history file was not being arhived.
Pointed out by Fujii Masao.
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Backpatch to 9.2.
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On some platforms these functions return NULL, rather than the more common
practice of returning a pointer to a zero-sized block of memory. Hack our
various wrapper functions to hide the difference by substituting a size
request of 1. This is probably not so important for the callers, who
should never touch the block anyway if they asked for size 0 --- but it's
important for the wrapper functions themselves, which mistakenly treated
the NULL result as an out-of-memory failure. This broke at least pg_dump
for the case of no user-defined aggregates, as per report from
Matthew Carrington.
Back-patch to 9.2 to fix the pg_dump issue. Given the lack of previous
complaints, it seems likely that there is no live bug in previous releases,
even though some of these functions were in place before that.
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Instead of having each object type implement the catalog munging
independently, centralize knowledge about how to do it and expand the
existing table in objectaddress.c with enough data about each object
type to support this operation.
Author: KaiGai Kohei
Tweaks by me
Reviewed by Robert Haas
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We had a number of variants on the theme of "malloc or die", with the
majority named like "pg_malloc", but by no means all. Standardize on the
names pg_malloc, pg_malloc0, pg_realloc, pg_strdup. Get rid of pg_calloc
entirely in favor of using pg_malloc0.
This is an essentially cosmetic change, so no back-patch. (I did find
a couple of places where psql and pg_dump were using plain malloc or
strdup instead of the pg_ versions, but they don't look significant
enough to bother back-patching.)
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Fujii Masao
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objects does not match between the old and new clusters.
Backpatch to 9.2.
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entries are not dumped. This fixes an error caused by
droping/recreating the information_schema, but other failures were also
possible.
Backpatch to 9.2.
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comparison; also report the old/new values if they don't match.
Backpatch to 9.2.
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timeval.t_sec is of type time_t, which is not always compatible with long.
I'm not sure if this was just harmless warning or a real bug, but this
fixes it, anyway.
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checking pg_upgrade.
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Hopefully this makes the *BSD buildfarm animals happy.
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This is just refactoring, to make the functions accessible outside xlog.c.
A followup patch will make use of that, to allow fetching timeline history
files over streaming replication.
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This affects date_in(), and a couple of other funcions that use DecodeDate().
Hitoshi Harada
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don't accidentally remove it.
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The error messages they generate are not portable enough.
Also, since the only point of the alter_generic_1 expected file was to
cover platforms with no collation support, it's now useless, so remove
it.
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Jeff Janes
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On reflection (especially after noticing how many buildfarm critters have
__builtin_types_compatible_p but not _Static_assert), it seems like we
ought to try a bit harder to make these macros do something everywhere.
The initial cut at it would have been no help to code that is compiled only
on platforms without _Static_assert, for instance; and in any case not all
our contributors do their initial coding on the latest gcc version.
Some googling about static assertions turns up quite a bit of prior art
for making it work in compilers that lack _Static_assert. The method
that seems closest to our needs involves defining a struct with a bit-field
that has negative width if the assertion condition fails. There seems no
reliable way to get the error message string to be output, but throwing a
compile error with a confusing message is better than missing the problem
altogether.
In the same spirit, if we don't have __builtin_types_compatible_p we can at
least insist that the variable have the same width as the type. This won't
catch errors such as "wrong pointer type", but it's far better than
nothing.
In addition to changing the macro definitions, adjust a
compile-time-constant Assert in contrib/hstore to use StaticAssertStmt,
so we can get some buildfarm coverage on whether that macro behaves sanely
or not. There's surely more places that could be converted, but this is
the first one I came across.
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Currently, the macros only work with fairly recent gcc versions, but there
is room to expand them to other compilers that have comparable features.
Heavily revised and autoconfiscated version of a patch by Andres Freund.
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There are apparently some incompatibilities, per buildfarm.
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The tar output module did some very ugly and ultimately incorrect hacking
on COPY commands to try to get them to work in the context of restoring a
deconstructed tar archive. In particular, it would fail altogether for
table names containing any upper-case characters, since it smashed the
command string to lower-case before modifying it (and, just to add insult
to injury, did that in a way that would fail in multibyte encodings).
I don't see any particular value in being flexible about the case of the
command keywords, since the string will just have been created by
dumpTableData, so let's get rid of the whole case-folding thing.
Also, it doesn't seem to meet the POLA for the script to restore data only
in COPY mode, so add \i commands to make it have comparable behavior in
--inserts mode.
Noted while looking at the tar-output code in connection with Brian
Weaver's patch.
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Many distributors use this, so we might as well see the warnings as
well.
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Since Python 2.2 is no longer supported, we can now use Py_RETURN_TRUE
and Py_RETURN_FALSE instead of the old workaround.
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oid is a numeric type, so transform it to the appropriate Python
numeric type like the other ones.
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The original only expected file failed to consider machines without
non-default collation support. Per buildfarm.
Also, move the test to another parallel group; the one it was originally
put in is already full according to comments in the schedule file. Per
note from Tom Lane.
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This makes refactoring of parts of the ALTER command safe(r) because we
ensure no change in functionality.
Author: KaiGai Kohei
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Both programs got the "magic" string wrong, causing standard-conforming tar
implementations to believe the output was just legacy tar format without
any POSIX extensions. This doesn't actually matter that much, especially
since pg_dump failed to fill the POSIX fields anyway, but still there is
little point in emitting tar format if we can't be compliant with the
standard. In addition, pg_dump failed to write the EOF marker correctly
(there should be 2 blocks of zeroes not just one), pg_basebackup put the
numeric group ID in the wrong place, and both programs had a pretty
brain-dead idea of how to compute the checksum. Fix all that and improve
the comments a bit.
pg_restore is modified to accept either the correct POSIX-compliant "magic"
string or the previous value. This part of the change will need to be
back-patched to avoid an unnecessary compatibility break when a previous
version tries to read tar-format output from 9.3 pg_dump.
Brian Weaver and Tom Lane
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