(Traduzione parziale in lingua italiana delle PostgreSQL Weekly News a cura di Gianni Ciolli gianni.ciolli@2ndquadrant.it)
La versione 1.9 di Sonar, una piattaforma per la gestione della qualità del codice Open Source, adesso supporta PostgreSQL. http://sonar.codehaus.org/
array_
agg(): il modo standard SQL di aggregare i valori dentro un array. Adesso è ufficiale … e anche più veloce.
Se le tue query aggregate sono lente, prova ad aumentare work_
mem.
http://archives.postgresql.org/pgsql-jobs/2009-06/threads.php
Il PGDay Junin / Buenos Aires Unnoba si terrà il 6 giugno 2009. http://www.arpug.com.ar/trac/wiki/PgDayUnnoba
La comunità PostgreSQL/PostGIS si incontrerà in Zurigo il 6 giugno 2009. Dettagli (de_
CH) qui: http://gis.hsr.ch/wiki/PostgreSQL-PostGIS-Höck
Il pgday di San Jose (USA) si terrà domenica 19 luglio 2009, dando il via ad OSCON. Inviate la vostra proposta entro l’8 giugno 2009 a conference-sf-speakers AT pgfoundry DOT org, e scoprirete entro il 20 giugno 2009 se è stata accettata. http://www.postgresql.org/about/news.1082
Il 23 e 24 ottobre 2009 si svolgerà PGCon Brazil, presso Unicamp, nella città di Campinas, stato di San Paolo.
Il PGDay.EU 2009 si terrà a Telecom ParisTech in Parigi nei giorni 6 e 7 novembre 2009. http://www.pgday.eu/
Gli organizzatori della conferenza per il decimo anniversario di JPUG stanno accettando proposte. La conferenza si terrà i giorni 20 e 21 novembre 2009 a Tokio. http://archives.postgresql.org/pgsql-announce/2009-05/msg00018.php
Planet PostgreSQL: http://planet.postgresql.org/
Questo notiziario settimanale PostgreSQL è stato realizzato da David Fetter, Josh Berkus e Guillaume Smet; traduzione parziale in lingua italiana a cura di Gianni Ciolli.
Notizie o annunci destinati a questo notiziario dovranno pervenire entro la mezzanotte di domenica (le 15 nel fuso orario della California). I comunicati in lingua italiana dovranno essere inviati a pwn@itpug.org; per le lingue inglese o tedesca, si scriva rispettivamente a david@fetter.org o a pwd@pgug.de.
Tom Lane committed:
Add range checks to time_
recv() and timetz_
recv(), to prevent binary input of time values that would not be accepted via textual input. Per gripe from Andrew McNamara. This is potentially a back-patchable bug fix, but for the moment it doesn’t seem sufficiently high impact to justify doing that.
Remove unused declarations of EncodeTimeOnly and DecodeTimeOnly.
Allow the second argument of pg_
get_
expr() to be just zero when deparsing an expression that’s not supposed to contain variables. Per discussion with Gevik Babakhani, this eliminates the need for an ugly kluge (namely, specifying some unrelated relation name). Remove one such kluge from pg_
dump.
Remove the useless and rather inconsistent return values of EncodeDateOnly, EncodeTimeOnly, EncodeDateTime, EncodeInterval. These don’t have any good reason to fail, and their callers were mostly not checking anyway.
Improve documentation about function volatility: mention the snapshot visibility effects in a couple of places where people are likely to look for it. Per discussion of recent question from Karl Nack.
Ignore RECHECK in CREATE OPERATOR CLASS, just throwing a NOTICE, instead of throwing an error as 8.4 had been doing. The error interfered with porting old database definitions (particularly for pg_
migrator) without really buying any safety. Per bug #4817 and subsequent discussion.
In pgsql/doc/src/sgml/release-8.4.sgml, improve release note explanation of the change in libpq’s handling of default usernames versus Kerberos tickets. Per confusion about what bug #4824 was really about.
In pgsql/src/backend/catalog/index.c, update obsolete comment in index_
drop(). When the comment was written, queries frequently took no lock at all on individual indexes. That’s not true any more, but we still need lock on the parent table to make it safe to use cached lists of index OIDs.
Bruce Momjian committed:
In pgsql/doc/src/sgml/backup.sgml, remove tabs from SGML file.
In pgsql/doc/src/sgml/libpq.sgml, document that forking while having open libpq connections is not advised.
Michael Meskes committed:
In pgsql/src/interfaces/libpq/fe-exec.c, reverting patch just in case a compiler treats this enum as signed.
Change macros to make gcc quiet when parsing.
Peter Eisentraut committed:
Fix compiler warnings on Sun Studio of the sort ‘"tsquery_
op.c", line 193: warning: syntax error: empty declaration.’ Zdenek Kotala.
Fix to use the same format specifiers in both branches of a ngettext(). Zdenek Kotala.
Magnus Hagander committed:
Heikki Linnakangas committed:
No one was disappointed this week :-)
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