Hi Raphaël,
You're right, I updated the wiki here (I think it's a best place
but i'm not sure) :
http://wiki.dolibarr.org/index.php/Language_and_development_rules#PostgeSQL_specificities
Regards
Florian HENRY
florian.he...@open-concept.pro
+33 6 03 76 48 07
http://www.open-concept.pro
Twitter : @_Open_Concept_
Le 03/05/2013 13:49, Doursenaud, Raphaël a écrit :
Thanks Florian,
Is this info somewhere on the wiki so we can further reference to it
in an easy way ?
2013/5/3 Florian Henry <florian.he...@open-concept.pro
<mailto:florian.he...@open-concept.pro>>
Hello All,
I would like to precise some things about PgSQL. There is a
free module on DoliStore to easy to migrate from MySQL to PgSQL.
This module is build for Dolibarr and do all check that need to be
done speciccly for Dolibarr and PgSQL.
Module :
http://www.dolistore.com/lang-fr/outils-systemes/195-Migrate-to-PostgreSQL.html
DoliForge Project : https://doliforge.org/projects/MigrationToPG/
There is a non solve issue between PgSQL and MySQL, the
"update from" request.
Syntax work with MySQL is :
UPDATE table_taget as target, table_source as source SET
fieldtarget=source.fieldsource
WHERE source.rowid=target.rowid;
syntax work on pgSQL:
UPDATE table_taget as target SET fieldtarget=source.fieldsource
FROM table_source as source WHERE source.rowid=target.rowid;
There is no native SQL request "update from" in dolibarr core. But
in your module you should do :
if ($this->db->type=='pgsql') {
$sql="UPDATE table_taget as target SET fieldtarget=source.fieldsource
FROM table_source as source WHERE source.rowid=target.rowid";
} else {
$sql= "UPDATE table_taget as target, table_source as source SET
fieldtarget=source.fieldsource
WHERE source.rowid=target.rowid";
}
Kind regards.
Florian HENRY
florian.he...@open-concept.pro <mailto:florian.he...@open-concept.pro>
+33 6 03 76 48 07 <tel:%2B33%206%2003%2076%2048%2007>
http://www.open-concept.pro
Twitter : @_Open_Concept_
Le 25/04/2013 22:47, Laurent Destailleur (eldy) a écrit :
Le 25/04/2013 17:21, Marcos García a écrit :
I think it would be nice that we use Dolibarr with Doctrine or
any ORM so that way we won't have compatibility problems with
different database drivers...
What do you think?
Dolibarr already has its own abstract database driver.
And this abstract layer is really better than doctrine and any
other orm. We already test all of them and they were not enough
powerfull to match dolibarr quality, so we develop ours.
For exemple,
- Abstraction for error report differs according to dabase.
System works for all database but they return error code of
database and not value differs.
- Doctrime, like other ORM does not support imbricated level of
transaction
- Doctrine like other CRM does not allow to make a difference
between ddl and dml. And this is required to be able to manage
upgrade process.
- Doctrine like other CRM support select, update, delete and
insert but few of them support instruction to manage foreign key
creation, or support is not working correctly.
The problem of Florian is not a problem of ORM. It is just that
request are not correctly written by developer. So we have to fix
this into core code.
We recommand to develop using Postgresql, as when it works with
postgres, it works with mysql but not the oposite.
Regards,
*Marcos García*
marcos...@gmail.com <mailto:marcos...@gmail.com>
2013/4/25 Florian Henry <florian.he...@open-concept.pro
<mailto:florian.he...@open-concept.pro>>
Dear developpers,
I'm currently experiement lot's of problem with
PostgreSQL only due to non SQL respect standard.
As reminder with an agregate SQL function you must
put in GROUP BY all field that are not in the agreate
For example : SELECT t.name <http://t.name>,t.id
<http://t.id>, SUM(t.cost) FROM llx_table GROUP BY t.id
<http://t.id>
That's WRONG ! MySQL let it go, but PgSQL no !
Correct version is SELECT_t.name
<http://t.name>,t.id <http://t.id>_, SUM(t.cost) FROM
llx_table GROUP BY _t.name <http://t.name>,t.id <http://t.id>
_ This kind of problem cannot be detected by UnitTest
because most of the time the are on list, not in object
method, but in list SQL.
Other common problem is into insert or update method
If your field is an integer, you must have this to
build the request :
$sql.= " ".(!
empty($this->fk_fourn)?"'".$this->fk_fourn."'":"null");
and NOT
$sql.= " '".(!
empty($this->fk_fourn)?$this->fk_fourn:"null")."'";
Try to sent update or insert request UPDATE
llx_table SET fk_fourn='' WHERE ... in PgSQL it will say ''
is not a valid inter, and is right.
Once again MySQL let it go but insert 0 instead of
NULL....
Regards
--
Florian HENRY
florian.he...@open-concept.pro <mailto:florian.he...@open-concept.pro>
+33 6 03 76 48 07 <tel:%2B33%206%2003%2076%2048%2007>
http://www.open-concept.pro
Twitter : @_Open_Concept_
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