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(Apparently, some but not all versions of Bison will warn about this.)
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Changes:
Pass in the keyword lookup array instead of having it be hardwired.
(This incidentally allows elimination of some duplicate coding in ecpg.)
Re-order the token declarations in gram.y so that non-keyword tokens have
numbers that won't change when keywords are added or removed.
Add ".." and ":=" to the set of tokens recognized by scan.l. (Since these
combinations are nowhere legal in core SQL, this does not change anything
except the precise wording of the error you get when you write this.)
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RevalidateCachedPlan. This is to avoid a "SPI_ERROR_CONNECT" failure when
the planner calls a SPI-using function and we are already inside one.
The alternative fix is to expect callers of RevalidateCachedPlan to do this,
which seems likely to result in additional hard-to-detect bugs of omission.
Per reports from Frank van Vugt and Marek Lewczuk.
Back-patch to 8.3. It's much harder to trigger the bug in 8.3, due to a
smaller set of cases in which plans can be invalidated, but it could happen.
(I think perhaps only a SI reset event could make 8.3 fail here, but that's
certainly within the realm of possibility.)
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- yes_or_no domain for "boolean" data
- new columns for VIEWS view
- slight section renumbering
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size_t arguments, the emitted scanner actually prototypes them with
type yy_size_t, which is sometimes not the same thing depending on
flex version and platform. Easiest fix seems to be to use yy_size_t.
Per buildfarm results.
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of features added to flex and bison since this code was originally written.
This change doesn't in itself offer any new capability, but it's needed
infrastructure for planned improvements in plpgsql.
Another feature now available in flex is the ability to make it use palloc
instead of malloc, so do that to avoid possible memory leaks. (We should
at some point change the other lexers likewise, but this commit doesn't
touch them.)
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into a header file that plpgsql's scan.l can see broke the previous
kluge. Per buildfarm results.
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distinction between the external API (parser.h) and declarations that only
need to be visible within the raw parser code (gramparse.h, which now is only
included by parser.c, gram.y, scan.l, and keywords.c). This is in preparation
for the upcoming change to a reentrant lexer, which will require referencing
YYSTYPE in the declarations of base_yylex and filtered_base_yylex, hence
gram.h will have to be included by gramparse.h. We don't want any more files
than absolutely necessary to depend on gram.h, so some cleanup is called for.
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meant or the reference to a standard was unnecessary.
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RelOptInfo targetlist. It used to be that the only possibility other than
a Var was a RowExpr representing a whole-row child Var, but as of 8.4's
expanded ability to flatten appendrel members, we can get arbitrary expressions
in there. Use the expression's type info and get_typavgwidth() to produce
an at-least-marginally-sane result. Note that get_typavgwidth()'s fallback
estimate (32 bytes) is the same as what was here before, so there will be
no behavioral change for RowExprs. Noted while looking at recent gripe
about constant quals pushed down to FunctionScan appendrel members ...
not only were we failing to recognize the constant qual, we were getting
the width estimate wrong :-(
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LC_CTYPE settings to children via BackendParameters. Per discussion,
the postmaster is now just using system defaults anyway, so we might as
well save a few cycles during backend startup.
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Otherwise, the LC_CTYPE/COLLATE setting gets reverted when using plperl, which
leads to incorrect query results and index corruption.
This was accidentally broken in the per-database locale patch in 8.4. Pointed
out by Andrew Gierth.
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exit code.
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For servers older than 8.3, sort display of child tables by relname instead
of oid::regclass::text, because the cast from regclass to text did not work
back then. The older display may be slightly worse when different schemas
are involved, but that should be rare enough.
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more pg_catalog. qualifications.
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This was an oversight in the recent patch. Found by Tom Lane.
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For character types with typmod, character_octet_length columns in the
information schema now show the maximum character length times the
maximum length of a character in the server encoding, instead of some
huge value as before.
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Safely schema-qualify the pg_get_indexdef call, make the query a bit
prettier in -E mode, remove useless join to pg_index, make it more obvious
that the header[] array is not overrun.
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timestamp_trunc, timestamptz_trunc, and interval_trunc(). This change
only affects the float-datetime case; the integer-datetime case already
behaved like truncation instead of rounding. Per gripe from Mario Splivalo.
This is a pre-existing issue but I'm choosing not to backpatch, because
it's such a corner case and there have not been prior complaints. The
issue is largely moot anyway given the trend towards integer datetimes.
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In what seems like an oversight, we used to treat 'TH' the same as lowercase
'th', but only with HH/HH12.
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substituting a child rel's output expressions into the appendrel's restriction
clauses yields a pseudoconstant restriction. We might be able to skip scanning
that child rel entirely (if we get constant FALSE), or generate a one-time
filter. 8.3 more or less accidentally generated plans that weren't completely
stupid in these cases, but that was only because an extra recursive level of
subquery_planner() always occurred and allowed const-simplification to happen.
8.4's ability to pull up appendrel members with non-Var outputs exposes the
fact that we need to work harder here. Per gripe from Sergey Burladyan.
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This adds a column called "Definition" to the output of psql \d on an
index, which shows the full expression behind the index column. For indexes
on plain columns, this is redundant, but for expression indexes, this
reveals the real expression.
Author: Khee Chin <kheechin@gmail.com>
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parentheses around the <query expression body> that follows a WITH clause, eg
with cte(foo) as ( values(0) ) ((select foo from cte));
This seems to be just an oversight/thinko in gram.y. Noted while
experimenting with bug #4902.
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the "cteParam" as a proxy for the possibility that the underlying CTE plan
depends on outer-level variables or Params, but that doesn't work very well
because it sometimes causes calling subqueries to be treated as SubPlans when
they could be InitPlans. This is inefficient and also causes the outright
failure exhibited in bug #4902. Instead, leave the cteParam out of it and
copy the underlying CTE plan's extParams directly. Per bug #4902 from
Marko Tiikkaja.
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Author: Guillaume Smet <guillaume.smet@gmail.com>
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As per discussion, \d shows only the number of child tables, because that
could be hundreds, when used for partitioning. \d+ shows the actual list.
Author: Damien Clochard <damien@dalibo.info>
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inherited columns and check constraints. Per my recent trouble report.
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This upgrades the configure infrastructure to the latest Autoconf version.
Some notable news are:
- The workaround for the broken fseeko() test is gone.
- Checking for unknown options is now provided by Autoconf itself.
- Fixes for Mac OS X
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I wrote this one while chasing down some bugs in the closing days of 8.4. It
could be useful in the long run. This area of the code had no test coverage
at all before.
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INSTALLDIR/include/server/. Itagaki Takahiro
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archive recovery. Invent a separate state variable and inquiry function
for XLogInsertAllowed() to clarify some tests and make the management of
writing the end-of-recovery checkpoint less klugy. Fix several places
that were incorrectly testing InRecovery when they should be looking at
RecoveryInProgress or XLogInsertAllowed (because they will now be executed
in the bgwriter not startup process). Clarify handling of bad LSNs passed
to XLogFlush during recovery. Use a spinlock for setting/testing
SharedRecoveryInProgress. Improve quite a lot of comments.
Heikki and Tom
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File that are translated less than 80% have been removed, as per new
translation team policy.
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to restore gcc's ability to crosscheck format arguments within elog.c.
Noted in a test compilation with -Wformat-nonliteral enabled.
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during it:
When bgwriter is active, the startup process can't perform mdsync() correctly
because it won't see the fsync requests accumulated in bgwriter's private
pendingOpsTable. Therefore make bgwriter responsible for the end-of-recovery
checkpoint as well, when it's active.
When bgwriter is active (= archive recovery), the startup process must not
accumulate fsync requests to its own pendingOpsTable, since bgwriter won't
see them there when it performs restartpoints. Make startup process drop its
pendingOpsTable when bgwriter is launched to avoid that.
Update minimum recovery point one last time when leaving archive recovery.
It won't be updated by the end-of-recovery checkpoint because XLogFlush()
sees us as out of recovery already.
This fixes bug #4879 reported by Fujii Masao.
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acting like runs inside WAL recovery, but it doesn't. I must've copy-pasted
this from a redo-function in the relation forks patch. Noticed by Tom Lane
while he was looking through callers of smgrdounlink().
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we already do it for PAM.
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return value in the *error_p variable.
Noted by Tom.
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most external engines.
Per report and initial code from Lars Kanis
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a number of other geometric operators also depend on. It miscalculated the
slope of the perpendicular to the given line segment anytime that slope was
other than 0, infinite, or +/-1. In some cases the error would be masked
because the true closest point on the line segment was one of its endpoints
rather than the intersection point, but in other cases it could give an
arbitrarily bad answer. Per bug #4872 from Nick Roosevelt.
Bug goes clear back to Berkeley days, so patch all supported branches.
Make a couple of cosmetic adjustments while at it.
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used to work as intended, but got broken some time ago (a quoted empty string
is not an empty string), and got broken some more by the changes to generate
ecpg's preproc.y automatically. Given all the unprotected uses of $(PERL)
elsewhere, it seems best to make use of the $(missing) script rather than
trying to ensure each such use is protected individually. Also fix various
bits of documentation that omitted to mention Perl as a requirement for
building from a CVS pull. Per a complaint from Robert Haas.
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of the 256KB limit originally enforced by a patch committed 2008-11-06.
Per recent test results, the smaller size resulted in an undesirable decrease
in bulk data loading speed, due to COPY processing frequently getting blocked
for WAL flushing. This area might need more tweaking later, but this setting
seems to be good enough for 8.4.
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even when not in FM mode. This improves compatibility with Oracle and with
our pre-8.4 behavior, as per bug #4862.
Brendan Jurd
Add a couple of regression test cases for this. In passing, get rid of the
labeling of the individual test cases; doesn't seem to be good for anything
except causing extra work when inserting a test...
Tom Lane
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