| Commit message (Collapse) | Author | Age |
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libpgcommon is a new static library to allow sharing code among the
various frontend programs and backend; this lets us eliminate duplicate
implementations of common routines. We avoid libpgport, because that's
intended as a place for porting issues; per discussion, it seems better
to keep them separate.
The first use case, and the only implemented by this patch, is pg_malloc
and friends, which many frontend programs were already using.
At the same time, we can use this to provide palloc emulation functions
for the frontend; this way, some palloc-using files in the backend can
also be used by the frontend cleanly. To do this, we change palloc() in
the backend to be a function instead of a macro on top of
MemoryContextAlloc(). This was previously believed to cause loss of
performance, but this implementation has been tweaked by Tom and Andres
so that on modern compilers it provides a slight improvement over the
previous one.
This lets us clean up some places that were already with
localized hacks.
Most of the pg_malloc/palloc changes in this patch were authored by
Andres Freund. Zoltán Böszörményi also independently provided a form of
that. libpgcommon infrastructure was authored by Álvaro.
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Fully update git head, and update back branches in ./COPYRIGHT and
legal.sgml files.
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Pg_upgrade displays file names during copy and database names during
dump/restore. Andrew Dunstan identified three bugs:
* long file names were being truncated to 60 _leading_ characters, which
often do not change for long file names
* file names were truncated to 60 characters in log files
* carriage returns were being output to log files
This commit fixes these --- it prints 60 _trailing_ characters to the
status display, and full path names without carriage returns to log
files. It also suppresses status output to the log file unless verbose
mode is used.
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--single-transaction to restore each database schema. This yields
performance improvements for databases with many tables. Also, remove
split_old_dump() as it is no longer needed.
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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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This is just neatnik-ism, but since we do it for comparable code in elog.c,
we may as well do it here.
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directory.
Backpatch to 9.2.
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newline-terminated messages, per suggestion from Tom.
Backpatch to 9.2.
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Error out on out-of-memory, rather than returning -1, which the sole
existing caller wasn't checking for anyway. There doesn't seem to be
any use-case for making the caller check for failure here.
Detect failure return from readdir().
Use a less platform-dependent method of calculating the entrysize.
It's possible, but not yet confirmed, that this explains bug #6733,
in which Mike Wilson reports a pg_upgrade crash that did not occur
in 9.1. (Note that load_directory is effectively new code in 9.2,
at least on platforms that have scandir().)
Fix up comments, avoid uselessly using two counters, reduce the number
of realloc calls to something sane.
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add ability to control permissions of created files
have psql echo its queries for easier debugging
output four separate log files, and delete them on success
add -r/--retain option to keep log files after success
make logs file append-only
remove -g/-G/-l logging options
sugggest tailing appropriate log file on failure
enhance -v/--verbose behavior
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remove from local *.h files.
Per suggestion from Alvaro.
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checks for PGHOST and PGHOSTADDR.
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Also adjust some error message capitalization for consistency.
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error.
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than packing everything into 'ctx' and passing that to every function.
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rather than atol().
Per report from Brian Hirt
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from Tom.
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Add documentation.
Supports migration from PG 8.3 and 8.4.
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