Hi there!
I´ve successfully migrated the MySQL database to Postgres.
But still having some problems.
When I finish the import process I access the RT web interface. At the
homepage (RT at a Glance), I get:
Can't call method "Content" on an undefined value at
/usr/local/rt3/share/html/Elements/MyRT line 75.
I´ve already solved this problem by running the make upgrade scripts as
follows:
/path/to/rt/sbin/rt-setup-database --dba root --prompt-for-dba-password
--action insert --datadir etc/upgrade/3.5.1
And the previous problem was gone!
Now, when I run the upgrade script I get the following error 3 times:
Error: Internal Error: Couldn't execute the query 'INSERT INTO
Attributes (ContentType, Creator, ObjectId, LastUpdatedBy, Created,
Content, LastUpdated, Description, Name, ObjectType) VALUES (?, ?, ?, ?,
?, ?, ?, ?, ?, ?)'ERROR: permission denied for sequence attributes_id_seq
Any ideas?
Thanks a lot!!
Mario Gomide
Gilmar Santos Jr escreveu:
Hello Mario,
I considered migrating a couple weeks ago. I wrote a tutorial[1] about
it and a Perl script to help with the process. I've just added a few
instructions at RT wiki.
We have almost 400.000 tickets and had serious performance problems. Pg
performed much worse than MySQL, even after performance tunning
configurations. After increasing innodb_buffer_poll_size (MySQL's
configuration directive) the performance problem was gone.
I tested with RT 3.4.5, but i think it will work fine on 3.6, since
there were no schema changes.
ps.: create database on postgre with encoding *latin1*.
Good luck,
Gilmar Santos Jr
Mario Gomide escreveu:
Hello list!
I used to use RT-3.4.1 on MySQL and I´m trying to migrate to RT-3.6.1
on PostgreSQL 8.1.
I´m having some problems with the database import process.
I get the same errors many times:
ERROR: invalid byte sequence for encoding "UTF8":
and
invalid input syntax for integer: ""
Can I just change the value to NULL where the value is empty?
I have noticed that most of my data was imported...
First of all I begin a new RT 3.6.1 installation, then I follow these
instructions (http://wiki.bestpractical.com/index.cgi?MySQLToPg).
That is: Dump from mysql is done:
mysqldump -u user -p mydatabase > dumpfile.sql
I edit this dumpfile leaving it only with INSERT INTO lines and
removing everything related to the sessions table.
Then on my new installation, I access the DB and DELETE FROM each table.
After that, I do:
psql -h localhost -f dumpfile.sql newdb
After that I run the make upgrade process.
I hope you can help me out.
Thanks
Mario Gomide
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