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eliminates a raft of portability issues, including whether sys_nerr
exists, whether the platform has any valid negative errnos, etc. The
downside is minimal: errno shouldn't ever contain an invalid value anyway,
and if it does, reasonably modern versions of strerror will not choke.
This rangecheck idea seemed good at the time, but it's clearly a net loss,
and I apologize to all concerned for having ever put it in.
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rewrite of deadlock checking. Lock holder objects are now reachable from
the associated LOCK as well as from the owning PROC. This makes it
practical to find all the processes holding a lock, as well as all those
waiting on the lock. Also, clean up some of the grottier aspects of the
SHMQueue API, and cause the waitProcs list to be stored in the intuitive
direction instead of the nonintuitive one. (Bet you didn't know that
the code followed the 'prev' link to get to the next waiting process,
instead of the 'next' link. It doesn't do that anymore.)
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expression evaluation.
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here is the patch attached which do check in each BLOB operation, if we are
in transaction, and raise an error otherwise. This will prevent such mistakes.
--
Sincerely Yours,
Denis Perchine
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of c.h altogether, and putting it into the only places that use it
(elog.c and exc.c), instead. Modify these routines to check for a
NULL or empty-string return from strerror, too, since some platforms
define strerror to return empty string for unknown errors (what a useless
definition that is ...). Clean up some cruft in ExcPrint while at it.
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implementation in backend/port/strerror.c if configure finds no strerror
in libc, same as we do for snprintf and inet_aton.
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initdb -t. This option is obsoleted by 7.1's ability to drop and
recreate template1 during normal operation.
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namely omitting the alias clause for a sub-SELECT in FROM.
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and remove IsA_Value macro.
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whitespace is unimportant in assembly code. Also, move VAX definition
of typedef slock_t to port header files to be like all the other ports.
Note that netbsd.h and openbsd.h are now identical, and I rather think
that freebsd.h is broken in the places where it doesn't agree --- but
I'll leave it to the freebsders to look at that.
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* doc/FAQ_MSWIN: Update to be consistent with software -- mainly change
comment from lack of Cygwin UNIX domain socket support and to list of
current Cygwin UNIX domain socket issues.
* src/include/config.h.in: Enable UNIX domain sockets for Cygwin.
* src/include/port/win.h: Disable UNIX domain sockets for Cygwin b20.1.
* src/test/regress/pg_regress.sh: Use UNIX domain sockets for Cygwin
instead of TCP/IP.
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into distinct concepts, per recent discussion on pghackers.
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#! /usr/local/bin/perl -w
to
#! /usr/bin/perl
The path is probably more portable, and the -w was kind of silly for a six
line script that produces two warnings as it stands.
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#! /usr/local/bin/python
to
#! /usr/bin/env python
which is the recommended way.
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> > enable the :bash_math opcodes. Currently plperl.c only
> > enables the :default opcodes. This leave out about five of six
> > math functions including sqrt().
Travis Bauer
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- Applied patch submitted by John Schutz <schutz@austin.rr.com> that
fixed a bug with ANT's SQL functions (not needed for building but nice
to have fixed).
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/*
* Standard __asm__ format:
*
* __asm__(
* "command;"
* "command;"
* "command;"
* : "=r"(_res) return value, in register
* : "r"(lock) argument, 'lock pointer', in register
* : "r0"); inline code uses this register
*/
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commit yet.
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- Added new error message into errors.properties "postgresql.notsensitive"
This is used by jdbc2.ResultSet when a method is called that should
fetch the current value of a row from the database refreshRow() for
example.
- These methods no longer throw the not implemented but the new noupdate
error. This is in preparation for the Updateable ResultSet support
which will overide these methods by extending the existing class to
implement that functionality, but needed to show something other than
notimplemented:
moveToCurrentRow()
moveToInsertRow()
rowDeleted()
rowInserted()
all update*() methods, except those that took the column as a String
as they were already implemented to convert the String to an int.
- getFetchDirection() and setFetchDirection() now throws
"postgresql.notimp" as we only support one direction.
The CursorResultSet will overide this when its implemented.
- Created a new class under jdbc2 UpdateableResultSet which extends
ResultSet and overides the relevent update methods.
This allows us to implement them easily at a later date.
- In jdbc2.Connection, the following methods are now implemented:
createStatement(type,concurrency);
getTypeMap();
setTypeMap(Map);
- The JDBC2 type mapping scheme almost complete, just needs SQLInput &
SQLOutput to be implemented.
- Removed some Statement methods that somehow appeared in Connection.
- In jdbc2.Statement()
getResultSetConcurrency()
getResultSetType()
setResultSetConcurrency()
setResultSetType()
- Finally removed the old 6.5.x driver.
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- These methods in org.postgresql.jdbc2.ResultSet are now implemented:
getBigDecimal(int) ie: without a scale (why did this get missed?)
getBlob(int)
getCharacterStream(int)
getConcurrency()
getDate(int,Calendar)
getFetchDirection()
getFetchSize()
getTime(int,Calendar)
getTimestamp(int,Calendar)
getType()
NB: Where int represents the column name, the associated version
taking a String were already implemented by calling the int
version.
- These methods no longer throw the not implemented but the new noupdate
error. This is in preparation for the Updateable ResultSet support
which will overide these methods by extending the existing class to
implement that functionality, but needed to show something other than
notimplemented:
cancelRowUpdates()
deleteRow()
- Added new error message into errors.properties "postgresql.noupdate"
This is used by jdbc2.ResultSet when an update method is called and
the ResultSet is not updateable. A new method notUpdateable() has been
added to that class to throw this exception, keeping the binary size
down.
- Added new error message into errors.properties "postgresql.psqlnotimp"
This is used instead of unimplemented when it's a feature in the
backend that is preventing this method from being implemented.
- Removed getKeysetSize() as its not part of the ResultSet API
Thu Jan 18 09:46:00 GMT 2001 peter@retep.org.uk
- Applied modified patch from Richard Bullington-McGuire
<rbulling@microstate.com>. I had to modify it as some of the code
patched now exists in different classes, and some of it actually
patched obsolete code.
Wed Jan 17 10:19:00 GMT 2001 peter@retep.org.uk
- Updated Implementation to include both ANT & JBuilder
- Updated README to reflect the changes since 7.0
- Created jdbc.jpr file which allows JBuilder to be used to edit the
source. JBuilder _CAN_NOT_ be used to compile. You must use ANT for
that. It's only to allow JBuilders syntax checking to improve the
drivers source. Refer to Implementation for more details
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mixed-signs. Previous effort left way too many minus signs, and was at
least as broken as the one before that :(
Clean up "ISO-style" time interval representation to omit zero fields if
there is at least one non-zero field. Supress some leading plus signs
when not necessary for clarity.
Replace every #ifdef __CYGWIN__ block with a cleaner TIMEZONE_GLOBAL macro
defined in datetime.h.
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try to push restrictions on the view down into the view subquery,
so that they can become indexscan quals or what-have-you rather than
being applied at the top level of the subquery. 7.0 and before were
able to do this, though in a much klugier way, and I'd hate to have
anyone complaining that 7.1 is stupider than 7.0 ...
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the tuple is already uodated. (If LockClassinfoForUpdate() is
thought to be useful).
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using POSIX semaphores more robust on Darwin 1.2/Mac OS X
Public Beta. this is for the version of 7.1 available
via anon cvs as of Jan 14 2001 14:00 PST.
since the semaphores and shared memory created by this
emulator are shared with the backends via fork(), their
persistent names are not necessary. removing their
names with shm_unlink() and sem_unlink() after creation
obviates the need for any "ipcclean" function. further,
without these changes, the shared memory (and, therefore,
the semaphores) will not be re-initialized/re-created after
the first execution of the postmaster, until reboot
or until some (non-existent) ipcclean function is executed.
this patch does the following:
1) if the shared memory segment "SysV_Sem_Info" already
existed, it is cleaned up. it shouldn't be there anyways.
2) the real indicator for whether the shared memory/semaphore
emulator has been initialized is if "SemInfo" has been
initialized. the shared memory and semaphores must be
initialized regardless of whether there was a garbage shared
memory segment lying around.
3) the shared memory segment "SysV_Sem_Info" is created with "O_EXCL"
to catch the case where two postmasters might be starting
simultaneously, so they don't both end up with the same shared
memory (one will fail). note that this can't be done with the
semaphores because Darwin 1.2 has a bug where attempting to
open an existing semaphore with "O_EXCL" set will ruin the
semaphore until the next reboot.
4) the shared memory segment "SysV_Sem_Info" is unlinked after
it is created. it will then exist without a name until the
postmaster and all backend children exit.
5) all semaphores are unlinked after they are created. they'll
then exist without names until the postmaster and all backend
children exit.
-michael thornburgh, zenomt@armory.com
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Not sure why some were this way, and others were already correct, but it
seems to have been like this for several years.
This caused problems on a few damaged platforms like AIX and IRIX which do
not support DST calculations for years before 1970.
Thanks to Andreas Zeugswetter <ZeugswetterA@wien.spardat.at> for finding
the problem.
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this file to match all the other files, and to be clearer.
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confusing, and clean up documentation.
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