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Code Issues 32 Releases Wiki Activity

[soc2009/multidb] The various transaction functions now fallback to the "default" DB if none is specified, this preserves backwards compatibility

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git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2009/multidb@10921 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Alex Gaynor 2009-06-03 21:40:59 +00:00
parent dc4eaff121
commit 96cf08295d
1 changed files with 15 additions and 15 deletions
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30
django/db/transaction.py
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@ -54,7 +54,7 @@ def enter_transaction_management(managed=True, using=None):
when no current block is running).
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
thread_ident = thread.get_ident()
if thread_ident in state and state[thread_ident].get(using):
@ -74,7 +74,7 @@ def leave_transaction_management(using=None):
those from outside. (Commits are on connection level.)
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
connection._leave_transaction_management(is_managed(using=using))
thread_ident = thread.get_ident()
@ -93,7 +93,7 @@ def is_dirty(using=None):
happen.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
return dirty.get(thread.get_ident(), {}).get(using, False)
def set_dirty(using=None):
@ -103,7 +103,7 @@ def set_dirty(using=None):
changes waiting for commit.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
thread_ident = thread.get_ident()
if thread_ident in dirty and using in dirty[thread_ident]:
dirty[thread_ident][using] = True
@ -117,7 +117,7 @@ def set_clean(using=None):
should happen.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
thread_ident = thread.get_ident()
if thread_ident in dirty and using in dirty[thread_ident]:
dirty[thread_ident][using] = False
@ -127,7 +127,7 @@ def set_clean(using=None):
def clean_savepoints(using=None):
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
thread_ident = thread.get_ident()
if thread_ident in savepoint_state and using in savepoint_state[thread_ident]:
del savepoint_state[thread_ident][using]
@ -137,7 +137,7 @@ def is_managed(using=None):
Checks whether the transaction manager is in manual or in auto state.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
thread_ident = thread.get_ident()
if thread_ident in state and using in state[thread_ident]:
if state[thread_ident][using]:
@ -152,7 +152,7 @@ def managed(flag=True, using=None):
commited.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
thread_ident = thread.get_ident()
top = state.get(thread_ident, {}).get(using, None)
@ -169,7 +169,7 @@ def commit_unless_managed(using=None):
Commits changes if the system is not in managed transaction mode.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
if not is_managed(using=using):
connection._commit()
@ -182,7 +182,7 @@ def rollback_unless_managed(using=None):
Rolls back changes if the system is not in managed transaction mode.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
if not is_managed(using=using):
connection._rollback()
@ -194,7 +194,7 @@ def commit(using=None):
Does the commit itself and resets the dirty flag.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
connection._commit()
set_clean(using=using)
@ -204,7 +204,7 @@ def rollback(using=None):
This function does the rollback itself and resets the dirty flag.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
connection._rollback()
set_clean(using=using)
@ -216,7 +216,7 @@ def savepoint(using=None):
used for the subsequent rollback or commit.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
thread_ident = thread.get_ident()
if thread_ident in savepoint_state and using in savepoint_state[thread_ident]:
@ -235,7 +235,7 @@ def savepoint_rollback(sid, using=None):
savepoints are not supported.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
thread_ident = thread.get_ident()
if thread_ident in savepoint_state and using in savepoint_state[thread_ident]:
@ -247,7 +247,7 @@ def savepoint_commit(sid, using=None):
savepoints are not supported.
"""
if using is None:
raise ValueError # TODO use default
using = DEFAULT_DB_ALIAS
connection = connections[using]
thread_ident = thread.get_ident()
if thread_ident in savepoint_state and using in savepoint_state[thread_ident]: