cdr, config and voicemail are all separate alembic trees. Because
alembic's default is to use a table named 'alembic_version' to store
the current tree revision, the 3 trees can't exist in the same schema
without stepping on each other.
Now each tree uses 'alembic_version_<tree_name>' as the version table.
Each tree's env.py script now first checks for 'alembic_version'. If
it finds it AND its revision is in the tree's history, the script
renames it to 'alembic_version_<tree_name>'. Regardless, the script
then continues with the migration using 'alembic_version_<tree_name>'
and creates that table if it's not found. The result is that if an
existing 'alembic_version' table was found but it didn't belong to this
tree, it's left alone and 'alembic_version_<tree_name>' is used or
created.
WARNING: If multiple trees are using the same schema, they MUST NOT
CRU or D any objects with names that might exist in the other trees.
An example would be 'yesno_values' type. If two trees perform
operations on it, one tree could pull it out from under the other.
Thankfully we currently don't share any names among cdr, config and
voicemail.
NOTE: Since the env.py scripts in each tree were identical, a common
env.py has been placed in the ast-db-manage directory and a symlink
to it has been placed in each tree directory.
ASTERISK-24311 #close
Reported-by: Dafi Ni
Change-Id: I4d593f000350deb5d21a14fa1e9bc3896844d898
* Increased the sippeers useragent max string size to 255.
* Changed the queue_members uniqueid to an auto incremented integer
instead of a string.
* Increased the voicemail_messages BLOB size to LONGBLOB on mysql.
* Fixed the add_tables_for_pjsip config change version downgrade actions
to drop a table it created.
* Adjusted the sample alembic.ini files cdr.ini.sample, config.ini.sample,
and voicemail.ini.sample to give a mysql and postgres sqlalchemy.url
lines.
ASTERISK-23847 #close
Reported by: Stephen More
ASTERISK-23825 #close
Reported by: Stephen More
ASTERISK-23909 #close
Reported by: Stephen More
Review: https://reviewboard.asterisk.org/r/3870/
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Merged revisions 420211 from http://svn.asterisk.org/svn/asterisk/branches/12
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@420212 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This patch does the following:
1) The env scripts have been updated to be tolerant of a NULL configuration
file. This occurs when configuration is provided by an external script,
such that the actual config.ini file is not used.
2) Enum types have all been given names. This is needed for PostgreSQL script
generation.
3) The identifier meetme_confno_starttime_endtime is greater than 30
characters, and hence invalid for Oracle databases. This has been truncated
down to meetme_confno_start_end.
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Merged revisions 400383 from http://svn.asterisk.org/svn/asterisk/branches/12
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@402073 65c4cc65-6c06-0410-ace0-fbb531ad65f3