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lacking it. Perhaps it was suppressed because of line length
considerations, but "table" should appear.
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single column dump that has a \. value, so the load works properly. I
also added documentation describing this issue.
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(previously we only did = and <> correctly). Also, allow row comparisons
with any operators that are in btree opclasses, not only those with these
specific names. This gets rid of a whole lot of indefensible assumptions
about the behavior of particular operators based on their names ... though
it's still true that IN and NOT IN expand to "= ANY". The patch adds a
RowCompareExpr expression node type, and makes some changes in the
representation of ANY/ALL/ROWCOMPARE SubLinks so that they can share code
with RowCompareExpr.
I have not yet done anything about making RowCompareExpr an indexable
operator, but will look at that soon.
initdb forced due to changes in stored rules.
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and add logic to try max_fsm_pages up to 200000, plus accompanying minor
docs changes.
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if (c == '\\' && cstate->line_buf.len == 0)
The problem with that is the because of the input and _output_
buffering, cstate->line_buf.len could be zero even if we are not on the
first character of a line. In fact, for a typical line, it is zero for
all characters on the line. The proper solution is to introduce a
boolean, first_char_in_line, that we set as we enter the loop and clear
once we process a character.
I have restructured the line-reading code in copy.c by:
o merging the CSV/non-CSV functions into a single function
o used macros to centralize and clarify the buffering code
o updated comments
o renamed client_encoding_only to encoding_embeds_ascii
o added a high-bit test to the encoding_embeds_ascii test for
performance
o in CSV mode, allow a backslash followed by a non-period to
continue being processed as a data value
There should be no performance impact from this patch because it is
functionally equivalent. If you apply the patch you will see copy.c is
much clearer in this area now and might suggest additional
optimizations.
I have also attached a 8.1-only patch to fix the CSV \. handling bug
with no code restructuring.
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- use "bool" rather than "int" for boolean variables
- use "PLy_malloc" rather than "malloc" in two places
- define "PLy_strdup", and use it rather than malloc() + strcpy() in
two places (which should have been memcpy(), anyway).
- remove a bunch of redundant parentheses from expressions that do not
need the parentheses for code clarity
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#define HIGHBIT (0x80)
#define IS_HIGHBIT_SET(ch) ((unsigned char)(ch) & HIGHBIT)
and removed CSIGNBIT and mapped it uses to HIGHBIT. I have also added
uses for IS_HIGHBIT_SET where appropriate. This change is
purely for code clarity.
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Add comment marker for PG_ENCODING_BE_LAST.
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See:
Subject: [HACKERS] bugs with certain Asian multibyte charsets
From: Tatsuo Ishii <ishii@sraoss.co.jp>
To: pgsql-hackers@postgresql.org
Date: Sat, 24 Dec 2005 18:25:33 +0900 (JST)
for more details/
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postgresql.conf.sample too.
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differ by more than the last directory component. Instead of insisting
that they match up to the last component, accept whatever common prefix
they have, and try to replace the non-matching part of bin_path with
the non-matching part of target_path in the actual executable's path.
In one way this is tighter than the old code, because it insists on
a match to the part of bin_path we want to substitute for, rather than
blindly stripping one directory component from the executable's path.
Per gripe from Martin Pitt and subsequent discussion.
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of having no password.
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Also make the code more robust by searching for target encoding
in the internal charset map.
Problem reported by Sagi Bashari on 2005/12/21.
See "[BUGS] BUG #2120: Crash when doing UTF8<->ISO_8859_8 encoding conversion"
on pgsql-bugs list for more details.
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modify the previous \password patch to use it instead of depending
on a not-officially-exported function. Per discussion.
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SET.
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equal: if strcoll claims two strings are equal, check it with strcmp, and
sort according to strcmp if not identical. This fixes inconsistent
behavior under glibc's hu_HU locale, and probably under some other locales
as well. Also, take advantage of the now-well-defined behavior to speed up
texteq, textne, bpchareq, bpcharne: they may as well just do a bitwise
comparison and not bother with strcoll at all.
NOTE: affected databases may need to REINDEX indexes on text columns to be
sure they are self-consistent.
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Per my recent proposal. I ended up basing the implementation on the
existing mechanism for enforcing valid join orders of IN joins --- the
rules for valid outer-join orders are somewhat similar.
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password encryption. Also alter createuser command to the same effect.
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file. The original code probed the PGPROC array separately for each PID,
which was not good for large numbers of backends: not only is the runtime
O(N^2) but most of it is spent holding ProcArrayLock. Instead, take the
lock just once and copy the active PIDs into an array, then use qsort
and bsearch so that the lookup time is more like O(N log N).
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messages, when client attempts to execute these outside a transaction (start
one) or in a failed transaction (reject message, except for COMMIT/ROLLBACK
statements which we can handle). Per report from Francisco Figueiredo Jr.
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example from Jim Dew. Add some simple regression tests, since this is
an area we seem to break regularly :-(
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reduce contention for the former single LockMgrLock. Per my recent
proposal. I set it up for 16 partitions, but on a pgbench test this
gives only a marginal further improvement over 4 partitions --- we need
to test more scenarios to choose the number of partitions.
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Patch from Pavel Stehule, minor fixups by myself.
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that simplify_boolean_equality() may leave behind. This is only relevant
if the user writes something a bit silly, like CASE x=y WHEN TRUE THEN.
Per example from Michael Fuhr; may or may not explain bug #2106.
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introduced a copy-and-pasteo while trying to simplify the code.
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datestyle parameter of the new cluster accordingly.
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However, Another problem newly occurred.
This solves the problem of snprintf and vsnprintf.
Patch to HEAD and 8.1.X.
Hiroshi Saito
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Win32 library files.
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the data defining the semantics of a lock method (ie, conflict resolution
table and ancillary data, which is all constant) and the hash tables
storing the current state. The only thing we give up by this is the
ability to use separate hashtables for different lock methods, but there
is no need for that anyway. Put some extra fields into the LockMethod
definition structs to clean up some other uglinesses, like hard-wired
tests for DEFAULT_LOCKMETHOD and USER_LOCKMETHOD. This commit doesn't
do anything about the performance issues we were discussing, but it clears
away some of the underbrush that's in the way of fixing that.
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> Now, the arguments of the drop function can be tab completed. for example
>
> drop function strpos (
> <press tab>
> drop FUNCTION strpos (text, text)
>
> or:
>
> wsdb=# drop FUNCTION length (
> bit) bytea) character) lseg) path) text)
> <press c>
> wsdb# DROP FUNCTION length ( character)
>
> I think that this patch should be rather useful. At it least I hate
> always to type all the arguments of the dropped functions.
>
> 2) Also some fixes applied for the
> CREATE INDEX syntax
>
> now the parenthesises are inserted by tab pressing.
> suppose I have the table q3c:
Sergey E. Koposov
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error. This probably explains bug #2099 and could also account for
mysterious VACUUM hangups.
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I have the problem, when building by MS-VC6.
An error occurs in the 8.1.0 present source codes.
nmake -f win32.mak
..\..\port\getaddrinfo.c(244) : error C2065: 'WSA_NOT_ENOUGH_MEMORY'
..\..\port\getaddrinfo.c(342) : error C2065: 'WSATYPE_NOT_FOUND'
This is used by winsock2.h. However, Construction of a windows base is
winsock.h.
Then, Since MinGW has special environment, this is right. but, it is not
found in VC6.
Furthermore, in getaddrinfo.c, IPV6-API is used by
LoadLibraryA("ws2_32");
Referring to of dll the external memory generates this violation by VC6
specification.
I considered whether the whole should have been converted into winsock2.
However, Now, DLL of MinGW creation operates wonderfully as it is.
That's right, it has pliability by replacement of simple DLL.
Then, I propose the system using winsock(non IPV6) in construction of
VC6.
Hiroshi Saito
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