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Try to make the code look self-consistent again, so it doesn't confuse
future developers.
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after accepting a connection fails, and the server is compiled with GSSAPI
support. Report and patch by Alexander V. Chernikov, bug #5731.
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Original patch failed to include new exclusive states in a switch that
needed to include them; and also was guilty of very fuzzy thinking
about how to handle error cases. Per bug #5729 from Alan Choi.
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KaiGai Kohei, with minor cleanup of the comments by me.
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- Avoid closing stdin, since we didn't open it. Previously multiple
inclusions of stdin would be terminated with a single quit, now a separate
quit is needed for each invocation. Previous behavior also accessed stdin
after it was fclose()d, which is undefined behavior per ANSI C.
- Properly restore pset.inputfile, since the caller expects to be able
to free that memory.
Marti Raudsepp
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Report by Peter Eisentraut.
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that WAL file containing the checkpoint redo-location can be found. This
avoids making the cluster irrecoverable if the redo location is in an earlie
WAL file than the checkpoint record.
Report, analysis and patch by Jeff Davis, with small changes by me.
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Split the old typenameTypeId() into two functions: A new typenameTypeId() that
returns only a type OID, and typenameTypeIdAndMod() that returns type OID and
typmod. This isolates call sites better that actually care about the typmod.
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A NestLoopParam's value can only be a Var or Aggref, but this isn't the
case in general for SubPlan parameters, so print_parameter_expr had better
be prepared to cope. Brain fade in my recent patch to print the referenced
expression instead of just printing $N for PARAM_EXEC Params. Per report
from Pavel Stehule.
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This avoids a possible crash when inlining a SRF whose argument list
contains a reference to an inline-able user function. The crash is quite
reproducible with CLOBBER_FREED_MEMORY enabled, but would be less certain
in a production build. Problem introduced in 9.0 by the named-arguments
patch, which requires invoking eval_const_expressions() before we can try
to inline a SRF. Per report from Brendan Jurd.
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After much expenditure of effort, we've got this to the point where the
performance penalty is pretty minimal in typical cases.
Andrew Dunstan, reviewed by Brendan Jurd, Dean Rasheed, and Tom Lane
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A name starting with a dot can be used to match a suffix of the actual
host name (e.g., .example.com matches foo.example.com).
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the docs to reflect that OFF is now unreserved. Spotted by Tom Lane.
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as a variable or column name, and it's not reserved in recent versions of
the SQL spec either. This became particularly annoying in 9.0, before that
PL/pgSQL replaced variable names in queries with parameter markers, so
it was possible to use OFF and many other backend parser keywords as
variable names. Because of that, backpatch to 9.0.
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This patch eliminates various bizarre behaviors caused by sloppy thinking
about the difference between a domain type and its underlying array type.
In particular, the operation of updating one element of such an array
has to be considered as yielding a value of the underlying array type,
*not* a value of the domain, because there's no assurance that the
domain's CHECK constraints are still satisfied. If we're intending to
store the result back into a domain column, we have to re-cast to the
domain type so that constraints are re-checked.
For similar reasons, such a domain can't be blindly matched to an ANYARRAY
polymorphic parameter, because the polymorphic function is likely to apply
array-ish operations that could invalidate the domain constraints. For the
moment, we just forbid such matching. We might later wish to insert an
automatic downcast to the underlying array type, but such a change should
also change matching of domains to ANYELEMENT for consistency.
To ensure that all such logic is rechecked, this patch removes the original
hack of setting a domain's pg_type.typelem field to match its base type;
the typelem will always be zero instead. In those places where it's really
okay to look through the domain type with no other logic changes, use the
newly added get_base_element_type function in place of get_element_type.
catversion bumped due to change in pg_type contents.
Per bug #5717 from Richard Huxton and subsequent discussion.
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outside a transaction.
This repairs brain fade in my patch of 2009-08-30: the reason we had been
storing oldest-database name, not OID, in ShmemVariableCache was of course
to avoid having to do a catalog lookup at times when it might be unsafe.
This error explains why Aleksandr Dushein is having trouble getting out of
an XID wraparound state in bug #5718, though not how he got into that state
in the first place. I suspect pg_upgrade is at fault there.
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This call was present in the aboriginal code from Berkeley, and has
never been touched; it may very well be that it was there to mask
effects of bugs in other places and it may no longer be necessary.
The removal has been foreseen in a code comment since 2007; this seems
to be a good time to test this hypothesis.
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The trick is to not try to build executables directly from .c files,
but to always build the intermediate .o files. For obscure reasons,
Darwin's version of gcc will leave debug cruft behind in the first
case but not the second. Per complaint from Robert Haas.
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A couple of places in the planner need to generate whole-row Vars, and were
cutting corners by setting vartype = RECORDOID in the Vars, even in cases
where there's an identifiable named composite type for the RTE being
referenced. While we mostly got away with this, it failed when there was
also a parser-generated whole-row reference to the same RTE, because the
two Vars weren't equal() due to the difference in vartype. Fix by
providing a subroutine the planner can call to generate whole-row Vars
the same way the parser does.
Per bug #5716 from Andrew Tipton. Back-patch to 9.0 where one of the bogus
calls was introduced (the other one is new in HEAD).
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Report and diagnosis by Peter Eisentraut.
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The GIN code has absolutely no business exporting GIN-specific functions
with names as generic as compareItemPointers() or newScanKey(); that's
just trouble waiting to happen. I got annoyed about this again just now
and decided to fix it. This commit ensures that all global symbols
defined in access/gin/ have names including "gin" or "Gin". There were a
couple of cases, like names involving "PostingItem", where arguably the
names were already sufficiently nongeneric; but I figured as long as I was
risking creating merge problems for unapplied GIN patches I might as well
impose a uniform policy.
I didn't touch any static symbol names. There might be some places
where it'd be appropriate to rename some static functions to match
siblings that are exported, but I'll leave that for another time.
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The better estimate requires more statistics than we previously stored:
in particular, counts of "entry" versus "data" pages within the index,
as well as knowledge of the number of distinct key values. We collect
this information during initial index build and update it during VACUUM,
storing the info in new fields on the index metapage. No initdb is
required because these fields will read as zeroes in a pre-existing
index, and the new gincostestimate code is coded to behave (reasonably)
sanely if they are zeroes.
Teodor Sigaev, reviewed by Jan Urbanski, Tom Lane, and Itagaki Takahiro.
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Look only at the non-localized part of the output from "vcbuild /?",
which is used to determine the version of Visual Studio in use. Different
languages seem to localize different amounts of the string, but we assume
the part "Microsoft Visual C++" won't be modified.
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This is not the hoped-for facility of using INSERT/UPDATE/DELETE inside
a WITH, but rather the other way around. It seems useful in its own
right anyway.
Note: catversion bumped because, although the contents of stored rules
might look compatible, there's actually a subtle semantic change.
A single Query containing a WITH and INSERT...VALUES now represents
writing the WITH before the INSERT, not before the VALUES. While it's
not clear that that matters to anyone, it seems like a good idea to
have it cited in the git history for catversion.h.
Original patch by Marko Tiikkaja, with updating and cleanup by
Hitoshi Harada.
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Peter Eisentraut, reviewed by KaiGai Kohei and Tom Lane
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Author: Quan Zongliang
Documentation updates by David Fetter
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Corrupt RADIUS responses were treated as errors and not ignored
(which the RFC2865 states they should be). This meant that a
user with unfiltered access to the network of the PostgreSQL
or RADIUS server could send a spoofed RADIUS response
to the PostgreSQL server causing it to reject a valid login,
provided the attacker could also guess (or brute-force) the
correct port number.
Fix is to simply retry the receive in a loop until the timeout
has expired or a valid (signed by the correct RADIUS server)
packet arrives.
Reported by Alan DeKok in bug #5687.
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* Microsoft reports it is related to mutex failure:
* http://archives.postgresql.org/pgsql-hackers/2010-09/msg00790.php
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This patch eliminates the former need to sort the output of an Append scan
when an ordered scan of an inheritance tree is wanted. This should be
particularly useful for fast-start cases such as queries with LIMIT.
Original patch by Greg Stark, with further hacking by Hans-Jurgen Schonig,
Robert Haas, and Tom Lane.
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xgettext is only required when make init-po is run manually; it is not
required for a build. The intent to handle that was already there, but
the ifdef's were in the wrong place.
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A tidy up for recently committed changes to startup latch.
Fujii Masao
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Fujii Masao
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ecpglib. Instead of parsing the statement just as ask the database server. This
patch removes the whole client side track keeping of the current transaction
status.
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to see if a particular privilege has been granted to PUBLIC.
The issue was reported by Jim Nasby.
Patch by Alvaro Herrera, and reviewed by KaiGai Kohei.
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We may as well make pgstat_count_heap_scan() and related macros just count
whenever rel->pgstat_info isn't null. Testing pgstat_track_counts buys
nothing at all in the normal case where that flag is ON; and when it's OFF,
the pgstat_info link will be null, so it's still a useless test.
This change is unlikely to buy any noticeable performance improvement,
but a cycle shaved is a cycle earned; and my investigations earlier today
convinced me that we're down to the point where individual instructions in
the inner execution loops are starting to matter.
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This was broken in 9.0 while improving plpython's conversion behavior for
bytea and boolean. Per bug report from maizi.
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The original coding was quite sloppy about handling the case where
XLogReadBuffer fails (because the page has since been deleted). This
would result in either "bad buffer id: 0" or an Assert failure during
replay, if indeed the page were no longer there. In a couple of places
it also neglected to check whether the change had already been applied,
which would probably result in corrupted index contents. I believe that
bug #5703 is an instance of the first problem. These issues could show up
without replication, but only if you were unfortunate enough to crash
between modification of a GIN index and the next checkpoint.
Back-patch to 8.2, which is as far back as GIN has WAL support.
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This patch merges the responsibility for NOT-flattening into
eval_const_expressions' processing. It wasn't done that way originally
because prepqual.c is far older than eval_const_expressions. But putting
this work into eval_const_expressions saves one pass over the qual trees,
and in fact saves even more than that because we can exploit the knowledge
that the subexpressions have already been recursively simplified. Doing it
this way also lets us do it uniformly over all expressions, whereas
prepqual.c formerly just did it at top level to save cycles. That should
improve the planner's ability to recognize logically-equivalent constructs.
While at it, also add the ability to fold a NOT into BooleanTest and
NullTest constructs (the latter only for the scalar-datatype case).
Per discussion of bug #5702.
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Completion is supported in the context of \set and when interpolating
a variable value using :foo etc.
In passing, fix some places in tab-complete.c that weren't following
project style for comment formatting.
Pavel Stehule, reviewed by Itagaki Takahiro
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This patch adds the SQL-standard concept of an INSTEAD OF trigger, which
is fired instead of performing a physical insert/update/delete. The
trigger function is passed the entire old and/or new rows of the view,
and must figure out what to do to the underlying tables to implement
the update. So this feature can be used to implement updatable views
using trigger programming style rather than rule hacking.
In passing, this patch corrects the names of some columns in the
information_schema.triggers view. It seems the SQL committee renamed
them somewhere between SQL:99 and SQL:2003.
Dean Rasheed, reviewed by Bernd Helmle; some additional hacking by me.
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comment.
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