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rather than the Postgres "::" notation.
All of these tests have been completely inspected and give correct results.
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All of these tests have been completely inspected and give correct results.
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1) datetime_pl_span() added the seconds field before adding the months
field. This lead to erroneous results for e.g.
select datetime '1999-11-30' + timespan '1 mon - 1 sec';
Reverse the order of operations to add months first.
2) tm2timespan() did all intermediate math as integer, converting to double
at the very end. This resulted in hidden overflows when given very large
integer days, hours, etc. For example,
select '74565 days'::timespan;
produced the wrong result. Change code to ensure that doubles are used
for intermediate calculations.
Thanks to Olivier PRENANT <ohp@pyrenet.fr> and
Tulassay Zsolt <zsolt@tek.bke.hu> for problem reports and to Tom Lane for
accurate analyses.
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to be Y2K safe.
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by continuing to increment the rightmost character until we get a string
that is demonstrably greater than the pattern prefix.
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<= and >= indexquals from a LIKE even if the index in question didn't
support those operators. (As, for example, a hash index does not.)
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sequence doesn't exist.
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during InitProcessingMode and the CurrentTransactionState was neither
TRANS_DEFAULT nor TRANS_DISABLED. Unfortunately, after someone's recent
change to start the transaction manager earlier in startup than it used
to be started, that caused an abort() and consequent database system
reset on quite harmless errors (such as rejecting an invalid user name!).
As far as I can see, the test on CurrentTransactionState was completely
useless anyway, so I've removed it.
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relcache entry no longer leaks a small amount of memory. index_endscan
now releases all the memory acquired by index_beginscan, so callers of it
should NOT pfree the scan descriptor anymore.
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by subselect used as expression."
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Jan
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This is the patch for the final bit. Sorry that it's separate.
Cheers...
MikeA
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I finally got around to schlepping through pg_dump, to finish what I started
about three months (or more) ago. Attached is a gzipped diff file to apply
in the bin/pg_dump directory. This should remove all string length
dependencies, except one, which I'm working on. It has been through some
rudimentary unit testing, but that's about it, so if any of you would give
it a more strenuous run-through, I'd be grateful for the feedback.
Cheers...
Ansley, Michael
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not BLCKSZ/2 as some of us thought. Add check for oversize item so that
failure is detected before corrupting the index, not after.
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SELECT null::text;
SELECT int4fac(null);
work as expected now. In some cases a NULL must be surrounded by
parentheses:
SELECT 2 + null; fails
SELECT 2 + (null); OK
This is a grammatical ambiguity that seems difficult to avoid. Other
than that, NULLs seem to behave about like you'd expect. The internal
implementation is that NULL constants are typed as UNKNOWN (like
untyped string constants) until the parser can deduce the right type.
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Locate path of postmaster in a portable way (stolen from initdb)
Add postmaster.opts.default.sample which should be copied into
$PGLIB in the installtion process. Also, it will be installed into
$PGDATA while initdb is running.
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during backend startup.
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Jan
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a ".pgc " extension. The second patch fixes a coredump when there is
more than one input file (in that case, cur and types were not set to
NULL before processing the second f ile)
The patch below modifies the accepted grammar of ecpg to accept
FETCH [direction] [amount] cursor name
i.e. the IN|FROM clause becomes optional (as in Oracle and Informix).
This removes the incompatibility mentioned in section "Porting From
Other RDBMS Packages" p169, PostgreSQL Programmer's Guide. The grammar
is modified in such a way as to avoid shift/reduce conflicts. It does
not accept the statement "EXEC SQL FETCH;" anymore, as the old grammar
did (this seems to be a bug of the old grammar anyway).
This patch cleans up the handling of space characters in the scanner;
some patte rns require \n to be in {space}, some do not. A second fix is
the handling of cpp continuati on lines; the old pattern did not match
these. The parser is patched to fix an off-by-one error in the #line
directives. The pa rser is also enhanced to report the correct location
of errors in declarations in the "E XEC SQL DECLARE SECTION". Finally,
some right recursions in the parser were replaced by left-recursions.
This patch adds preprocessor directives to ecpg; in particular
EXEC SQL IFDEF, EXEC SQL IFNDEF, EXEC SQL ELSE, EXEC SQL ELIF and EXEC SQL ENDIF
"EXEC SQL IFDEF" is used with defines made with "EXEC SQL DEFINE" and
defines, specified on the command line with -D. Defines, specified on
the command line are persistent across multiple input files. Defines can
be nested up to a maximum level of 128 (see patch). There is a fair
amount of error checking to make sure directives are matched properly. I
need preprocessor directives for porting code, that is written for an
Informix database, to a PostgreSQL database, while maintaining
compatibility with the original code. I decided not to extend the
already large ecpg grammar. Everything is done in the scanner by adding
some states, e.g. to skip all input except newlines and directives. The
preprocessor commands are compatible with Informix. Oracle uses a cpp
replacement.
Rene Hogendoorn
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with DEC C.
DEC C doesn't handle double values greater than DBL_MAX, but some
PostgreSQL geo functions assign greater than DBL_MAX values to some vars
in some special cases - that couses SIGFPE. I dunno if that is the only place
to fix to work well with DEC C.
Kirill Nosov.
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in regression tests.
Jan
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Jan
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rather than returning a NaN for bogus input to pow(). Namely, HPUX 10.20.
I think this is sufficient evidence for what I thought all along, which
is that the float.c code *must* look at errno whether finite() exists or
not.
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major one, though, which is the truly ugly stores into libpq private
storage. Can't you find a better way to do this?
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what a header file is for :-(
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but do not bother to declare them in <stdio.h>. Seems to be a more
common omission than you'd think...
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