Displaying 5 results from an estimated 5 matches for "varlena".
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2004 Mar 23
1
PL/R article
In case anyone is interested, here is a link to an online article
written by someone in the Postgres community, covering PL/R:
see (cover):
http://www.varlena.com/varlena/GeneralBits/66.php
and follow to (article):
http://www.varlena.com/varlena/GeneralBits/Tidbits/bernier/art_66/graphingWithR.html
PL/R is a procedural language handler for PostgreSQL, that allows
Postgres functions to be written in, and executed by, R.
Best regards,
Joe
2015 Nov 12
3
Inexplicable ASAN report. Code generation bug?
...de is doing a 4-byte read
of the last 2 bytes of the object. But in fact the code is accessing
those last two bytes through a 2-byte short which an expression that
looks like (n)->choice.n_short.n_header with the structure and union
looking like these:
struct NumericData
{
int32 vl_len_; /* varlena header (do not touch directly!) */
union NumericChoice choice; /* choice of format */
};
union NumericChoice
{
uint16 n_header; /* Header word */
struct NumericLong n_long; /* Long form (4-byte header) */
struct NumericShort n_short; /* Short form (2-byte header) */
};
struct Nume...
2015 Sep 03
2
Fuzzing complex programs
On Thu, Sep 3, 2015 at 6:45 PM, Kostya Serebryany <kcc at google.com> wrote:
> Did you build the Postgres code with -fsanitize-coverage=... ?
Yes:
CC = clang
CFLAGS = -Wall -Wmissing-prototypes -Wpointer-arith
-Wdeclaration-after-statement -Wendif-labels
-Wmissing-format-attribute -Wformat-security -fno-strict-aliasing
-fwrapv -Wno-unused-command-line-argument -g -O0 -fsanitize=address
2015 Sep 03
2
Fuzzing complex programs
...tils/adt/tsquery_gist.o
> utils/adt/tsquery_op.o utils/adt/tsquery_rewrite.o
> utils/adt/tsquery_util.o utils/adt/tsrank.o utils/adt/tsvector.o
> utils/adt/tsvector_op.o utils/adt/tsvector_parser.o utils/adt/txid.o
> utils/adt/uuid.o utils/adt/varbit.o utils/adt/varchar.o
> utils/adt/varlena.o utils/adt/version.o utils/adt/windowfuncs.o
> utils/adt/xid.o utils/adt/xml.o utils/cache/attoptcache.o
> utils/cache/catcache.o utils/cache/evtcache.o utils/cache/inval.o
> utils/cache/plancache.o utils/cache/relcache.o utils/cache/relmapper.o
> utils/cache/relfilenodemap.o utils/cac...
2007 Oct 02
53
Direct I/O ability with zfs?
We are using MySQL, and love the idea of using zfs for this. We are used to using Direct I/O to bypass file system caching (let the DB do this). Does this exist for zfs?
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