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Add reference_id column to session_history

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* Also update database with values from previous versions
This commit is contained in:
Jonathan Wong 2015-09-16 11:36:34 -07:00
commit c1b5514789
1 changed files with 20 additions and 1 deletions
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21
plexpy/__init__.py
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@ -354,7 +354,7 @@ def dbcheck():
# session_history table :: This is a history table which logs essential stream details
c_db.execute(
'CREATE TABLE IF NOT EXISTS session_history (id INTEGER PRIMARY KEY AUTOINCREMENT, '
'CREATE TABLE IF NOT EXISTS session_history (id INTEGER PRIMARY KEY AUTOINCREMENT, reference_id INTEGER, '
'started INTEGER, stopped INTEGER, rating_key INTEGER, user_id INTEGER, user TEXT, '
'ip_address TEXT, paused_counter INTEGER DEFAULT 0, player TEXT, platform TEXT, machine_id TEXT, '
'parent_rating_key INTEGER, grandparent_rating_key INTEGER, media_type TEXT, view_offset INTEGER DEFAULT 0)'
@ -603,6 +603,25 @@ def dbcheck():
logger.debug(u'User "Local" does not exist. Adding user.')
c_db.execute('INSERT INTO users (user_id, username) VALUES (0, "Local")')
# Upgrade session_history table from earlier versions
try:
c_db.execute('SELECT reference_id from session_history')
except sqlite3.OperationalError:
logger.debug(u"Altering database. Updating database table session_history.")
c_db.execute(
'ALTER TABLE session_history ADD COLUMN reference_id INTEGER DEFAULT 0'
)
# SET reference_id to the first row where (rating_key != previous row OR user != previous row)
c_db.execute(
'UPDATE session_history ' \
'SET reference_id = (SELECT (CASE WHEN (SELECT MIN(id) FROM session_history WHERE id > ( \
SELECT MAX(id) FROM session_history WHERE (rating_key <> t1.rating_key OR user <> t1.user) AND id < t1.id)) IS NULL \
THEN (SELECT MIN(id) FROM session_history) ELSE (SELECT MIN(id) FROM session_history WHERE id > ( \
SELECT MAX(id) FROM session_history WHERE (rating_key <> t1.rating_key OR user <> t1.user) AND id < t1.id)) END) ' \
'FROM session_history AS t1 ' \
'WHERE t1.id = session_history.id) '
)
conn_db.commit()
c_db.close()