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Finally have bullet-proof upgrade methods.

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This commit is contained in:
Raoul Snyman 2013-04-04 21:51:37 +02:00
parent 9430e569f4
commit e15865c117
1 changed files with 8 additions and 5 deletions
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11
openlp/plugins/songs/lib/upgrade.py
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@ -32,7 +32,7 @@ backend for the Songs plugin
""" """
from sqlalchemy import Column, types from sqlalchemy import Column, types
from sqlalchemy.sql.expression import func, false, null from sqlalchemy.sql.expression import func, false, null, text
from openlp.core.lib.db import get_upgrade_op from openlp.core.lib.db import get_upgrade_op
__version__ = 3 __version__ = 3
@ -53,7 +53,7 @@ def upgrade_1(session, metadata):
op = get_upgrade_op(session) op = get_upgrade_op(session)
op.drop_table(u'media_files_songs') op.drop_table(u'media_files_songs')
op.add_column(u'media_files', Column(u'song_id', types.Integer(), server_default=null())) op.add_column(u'media_files', Column(u'song_id', types.Integer(), server_default=null()))
op.add_column(u'media_files', Column(u'weight', types.Integer(), server_default=0)) op.add_column(u'media_files', Column(u'weight', types.Integer(), server_default=text(u'0')))
if metadata.bind.url.get_dialect().name != 'sqlite': if metadata.bind.url.get_dialect().name != 'sqlite':
# SQLite doesn't support ALTER TABLE ADD CONSTRAINT # SQLite doesn't support ALTER TABLE ADD CONSTRAINT
op.create_foreign_key(u'fk_media_files_song_id', u'media_files', u'songs', [u'song_id', u'id']) op.create_foreign_key(u'fk_media_files_song_id', u'media_files', u'songs', [u'song_id', u'id'])
@ -66,8 +66,8 @@ def upgrade_2(session, metadata):
This upgrade adds a create_date and last_modified date to the songs table This upgrade adds a create_date and last_modified date to the songs table
""" """
op = get_upgrade_op(session) op = get_upgrade_op(session)
op.add_column(u'songs', Column(u'create_date', types.DateTime(), server_default=func.now())) op.add_column(u'songs', Column(u'create_date', types.DateTime(), default=func.now()))
op.add_column(u'songs', Column(u'last_modified', types.DateTime(), server_default=func.now())) op.add_column(u'songs', Column(u'last_modified', types.DateTime(), default=func.now()))
def upgrade_3(session, metadata): def upgrade_3(session, metadata):
@ -77,5 +77,8 @@ def upgrade_3(session, metadata):
This upgrade adds a temporary song flag to the songs table This upgrade adds a temporary song flag to the songs table
""" """
op = get_upgrade_op(session) op = get_upgrade_op(session)
if metadata.bind.url.get_dialect().name == 'sqlite':
op.add_column(u'songs', Column(u'temporary', types.Boolean(create_constraint=False), server_default=false()))
else:
op.add_column(u'songs', Column(u'temporary', types.Boolean(), server_default=false())) op.add_column(u'songs', Column(u'temporary', types.Boolean(), server_default=false()))