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use Players table for global lock because Database.init() tries to access Hands

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This commit is contained in:
sqlcoder 2009-06-30 21:58:59 +01:00
parent a3e6c2696f
commit 04b9dd9126
1 changed files with 9 additions and 8 deletions
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17
pyfpdb/fpdb_db.py
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@ -567,17 +567,18 @@ class fpdb_db:
print "analyze took", atime, "seconds"
#end def analyzeDB
# Currently uses an exclusive lock on the Hands table as a global lock
# Currently uses an exclusive lock on the Players table as a global lock
# ( Changed because Hands is used in Database.init() )
# Return values are Unix style, 0 for success, positive integers for errors
# 1 = generic error
# 2 = hands table does not exist (error message is suppressed)
# 2 = players table does not exist (error message is suppressed)
def get_global_lock(self):
if self.backend == self.MYSQL_INNODB:
try:
self.cursor.execute( "lock tables Hands write" )
self.cursor.execute( "lock tables Players write" )
except:
# Table 'fpdb.hands' doesn't exist
if str(sys.exc_value).find(".Hands' doesn't exist") >= 0:
# Table 'fpdb.players' doesn't exist
if str(sys.exc_value).find(".Players' doesn't exist") >= 0:
return(2)
print "Error! failed to obtain global lock. Close all programs accessing " \
+ "database (including fpdb) and try again (%s)." \
@ -585,11 +586,11 @@ class fpdb_db:
return(1)
elif self.backend == self.PGSQL:
try:
self.cursor.execute( "lock table Hands in exclusive mode nowait" )
self.cursor.execute( "lock table Players in exclusive mode nowait" )
#print "... after lock table, status =", self.cursor.statusmessage
except:
# relation "hands" does not exist
if str(sys.exc_value).find('relation "hands" does not exist') >= 0:
# relation "players" does not exist
if str(sys.exc_value).find('relation "players" does not exist') >= 0:
return(2)
print "Error! failed to obtain global lock. Close all programs accessing " \
+ "database (including fpdb) and try again (%s)." \