places --- that risks corrupting data structures, losing sync with the
backend, etc.  We now longjmp only from calls to readline, fgets, and
fread, which we assume are coded to protect themselves against interrupts
at undesirable times.  This requires adding explicit tests for
cancel_pressed in long-running loops, but on the whole it's far cleaner.
Martijn van Oosterhout and Tom Lane.

	o  remove many WIN32_CLIENT_ONLY defines
	o  add WIN32_ONLY_COMPILER define
	o  add 3rd argument to open() for portability
	o  add include/port/win32_msvc directory for
	   system includes

Magnus Hagander

E'...' syntax for strings in order to track the backend.

and there's only one place that's a kluge, ie, appendStringLiteralConn.
Note that pg_dump itself doesn't use appendStringLiteralConn, so its
behavior is not affected; only the other utility programs care.

        o  turns off escape_string_warning in pg_dumpall.c
        o  optionally use E'' for \password (undocumented option?)
        o  honor standard_conforming-strings for \copy (but not
           support literal E'' strings)
        o  optionally use E'' for \d commands
        o  turn off escape_string_warning for createdb, createuser,
           droplang

during COPY OUT.  Andreas Pflug, some editorialization by moi.

instead of the old deprecated ones.
Volkan Yazici, with some editorializing by moi.

COPY.

Andrew Dunstan

macros around strings that were missing them.

Andrew Dunstan, some further hacking by Tom Lane.

patches.

environment variables.

control-z requirement.

conversion of basic ASCII letters.  Remove all uses of strcasecmp and
strncasecmp in favor of new functions pg_strcasecmp and pg_strncasecmp;
remove most but not all direct uses of toupper and tolower in favor of
pg_toupper and pg_tolower.  These functions use the same notions of
case folding already developed for identifier case conversion.  I left
the straight locale-based folding in place for situations where we are
just manipulating user data and not trying to match it to built-in
strings --- for example, the SQL upper() function is still locale
dependent.  Perhaps this will prove not to be what's wanted, but at
the moment we can initdb and pass regression tests in Turkish locale.

	FORCE QUOTE to force quotes
	FORCE NOT NULL to quote null input values

* removed a few redundant defines
* get_user_name safe under win32
* rationalized pipe read EOF for win32 (UPDATED PATCH USED)
* changed all backend instances of sleep() to pg_usleep

    - except for the SLEEP_ON_ASSERT in assert.c, as it would exceed a
32-bit long [Note to patcher: If a SLEEP_ON_ASSERT of 2000 seconds is
acceptable, please replace with pg_usleep(2000000000L)]

I added a comment to that part of the code:

    /*
     *  It would be nice to use pg_usleep() here, but only does 2000 sec
     *  or 33 minutes, which seems too short.
     */
    sleep(1000000);

Claudio Natoli

        o -Allow dump/load of CSV format

This adds new keywords to COPY and \copy:

        CSV - enable CSV mode (comma separated variable)
        QUOTE - specify quote character
        ESCAPE - specify escape character
        FORCE - force quoting of specified column
	LITERAL - suppress null comparison for columns

Doc changes included.  Regression updates coming from Andrew.

Add pstdin/pstdout to read from psql's stdin/stdout.

BACKWARD INCOMPATIBLE CHANGE

term, not 'catenate'.

agreement with what the backend grammar actually accepts (which is a
bit looser than what its documentation claims).  Per report from Bill
Moran, though I did not use his patch since it removed all the
undocumented flexibility that the code historically had and the backend
still has.

cases involving writes.  Per recent discussion about the possibility
of close-time failures on some filesystems.  There is a TODO item for
this, too.

pg_malloc, to avoid linker failures on same platforms.

little more sane. Some parts of the code was using a static function
xmalloc() that did safe memory allocation (where "safe" means "bail
out on OOM"), but most of it was just invoking calloc() or malloc()
directly. Now almost everything invokes xmalloc() or xcalloc().

source the \copy came from.  Also, fix prompting logic so that initial
and per-line prompts appear for all cases of reading from an interactive
terminal.  Patch by Mark Feit, with some kibitzing by Tom Lane.

Zach Irmen

comments in the psql code. This doesn't make any functional change, so
feel free to save it for 7.5

Neil Conway

$Header: -> $PostgreSQL Changes ...

so it won't miss 'em again.

client-side AUTOCOMMIT mode now: '\set AUTOCOMMIT off' supports
SQL-spec commit behavior.  Get rid of LO_TRANSACTION hack --- the
LO operations just work now, using libpq's ability to track the
transaction status.  Add a VERBOSE variable to control verboseness
of error message display, and add a %T prompt-string code to show
current transaction-block status.  Superuser state display in the
prompt string correctly follows SET SESSION AUTHORIZATION commands.
Control-C works to get out of COPY IN state.

7.3.2).  It removes some code duplication and #ifdeffing, and some
unstructured ugliness such as tacky breaks and an unneeded continue.
Breaks up a large function into smaller functions and reduces required
nesting levels, and kills a variable or two.

Jeroen T. Vermeulen

a column list.  Bring its parsing of quoted names and quoted strings
somewhat up to speed --- I believe it now handles all non-error cases
the same way the backend would, but weird boundary conditions are not
necessarily done the same way.

Behavior of backslash commands (especially for large objects)
may still require some thought.