2017-02-03 7:34 GMT+01:00 Craig Ringer <cr...@2ndquadrant.com>: > On 3 February 2017 at 14:27, Pavel Stehule <pavel.steh...@gmail.com> > wrote: > > > > > > 2017-01-20 17:01 GMT+01:00 Joshua D. Drake <j...@commandprompt.com>: > >> > >> On 01/17/2017 09:26 AM, Robert Haas wrote: > >>> > >>> On Fri, Jan 13, 2017 at 7:24 PM, Peter Geoghegan <p...@heroku.com> > wrote: > >>>> > >>>> MERGE isn't UPSERT, and isn't even in competition with UPSERT as a > >>>> feature. I've written reams of text explaining why this is so in > >>>> precise detail, ... > >> > >> > >> > >> Hello, > >> > >> This is the webinar that started this whole thread (well the original > >> thread, not this weird MERGE/UPSERT stuff): > >> > >> https://www.commandprompt.com/blog/postgresql_for_oracle_people/ > >> > >> Thank you to everyone that responded. You will see in this Webinar that > at > >> least from the Oracle people perspective, PostgreSQL is not an option > unless > >> it has packages. > >> > >> The other item that people bring up a few times is Oracle Forms but as > >> that is actually external (although dependent) on Oracle, I don't see > that > >> as our responsibility. > > > > > > DB2 propose using schemas instead packages > > > > https://www.ibm.com/developerworks/data/library/ > techarticle/dm-0711zubiri/ > > > > Now I am working with Oracle application - and I try to understand to > Oracle > > developers - often pattern is using "Oracle schema" as database - and > then > > the packages has sense. But there is not a mapping "Oracle schema" = > > "PostgreSQL schema" - and packages is a redundant concept in Postgres > (and > > in all db, where the schema are like namaspace - MSSQL, DB2, MySQL). > > It sounds like we could benefit from a documentation section > "packages" that describes how to get package-like behaviour (minus the > pre-compiled updates) from Pg using schemas and, once added, secure > variables. >
It should be documented and presented (who is read a documentation? :-)) It is not only PostgreSQL issue, same issue has to have any other databases. The Oracle architecture is very specific and often question is, how to map Oracle database to PostgreSQL. A common questions - how schema should be used, where schema should be used, where database should be used. What is practical limit of size of PostgreSQL catalogue. > > -- > Craig Ringer http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Training & Services >
