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Code Issues 32 Releases Wiki Activity

Deprecated transaction.commit/rollback_unless_managed.

Browse Source 
Since "unless managed" now means "if database-level autocommit",
committing or rolling back doesn't have any effect.

Restored transactional integrity in a few places that relied on
automatically-started transactions with a transitory API.
This commit is contained in:
Aymeric Augustin
2013-03-04 13:12:59 +01:00
parent 14aa563f51
commit ba5138b1c0
17 changed files with 116 additions and 208 deletions
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77
django/core/management/commands/syncdb.py
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@@ -83,26 +83,25 @@ class Command(NoArgsCommand):
# Create the tables for each model
if verbosity >= 1:
self.stdout.write("Creating tables ...\n")
for app_name, model_list in manifest.items():
for model in model_list:
# Create the model's database table, if it doesn't already exist.
if verbosity >= 3:
self.stdout.write("Processing %s.%s model\n" % (app_name, model._meta.object_name))
sql, references = connection.creation.sql_create_model(model, self.style, seen_models)
seen_models.add(model)
created_models.add(model)
for refto, refs in references.items():
pending_references.setdefault(refto, []).extend(refs)
if refto in seen_models:
sql.extend(connection.creation.sql_for_pending_references(refto, self.style, pending_references))
sql.extend(connection.creation.sql_for_pending_references(model, self.style, pending_references))
if verbosity >= 1 and sql:
self.stdout.write("Creating table %s\n" % model._meta.db_table)
for statement in sql:
cursor.execute(statement)
tables.append(connection.introspection.table_name_converter(model._meta.db_table))
transaction.commit_unless_managed(using=db)
with transaction.commit_on_success_unless_managed(using=db):
for app_name, model_list in manifest.items():
for model in model_list:
# Create the model's database table, if it doesn't already exist.
if verbosity >= 3:
self.stdout.write("Processing %s.%s model\n" % (app_name, model._meta.object_name))
sql, references = connection.creation.sql_create_model(model, self.style, seen_models)
seen_models.add(model)
created_models.add(model)
for refto, refs in references.items():
pending_references.setdefault(refto, []).extend(refs)
if refto in seen_models:
sql.extend(connection.creation.sql_for_pending_references(refto, self.style, pending_references))
sql.extend(connection.creation.sql_for_pending_references(model, self.style, pending_references))
if verbosity >= 1 and sql:
self.stdout.write("Creating table %s\n" % model._meta.db_table)
for statement in sql:
cursor.execute(statement)
tables.append(connection.introspection.table_name_converter(model._meta.db_table))
# Send the post_syncdb signal, so individual apps can do whatever they need
# to do at this point.
@@ -122,17 +121,16 @@ class Command(NoArgsCommand):
if custom_sql:
if verbosity >= 2:
self.stdout.write("Installing custom SQL for %s.%s model\n" % (app_name, model._meta.object_name))
try:
for sql in custom_sql:
cursor.execute(sql)
except Exception as e:
self.stderr.write("Failed to install custom SQL for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
if show_traceback:
traceback.print_exc()
transaction.rollback_unless_managed(using=db)
else:
transaction.commit_unless_managed(using=db)
with transaction.commit_on_success_unless_managed(using=db):
try:
for sql in custom_sql:
cursor.execute(sql)
except Exception as e:
self.stderr.write("Failed to install custom SQL for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
if show_traceback:
traceback.print_exc()
raise
else:
if verbosity >= 3:
self.stdout.write("No custom SQL for %s.%s model\n" % (app_name, model._meta.object_name))
@@ -147,15 +145,14 @@ class Command(NoArgsCommand):
if index_sql:
if verbosity >= 2:
self.stdout.write("Installing index for %s.%s model\n" % (app_name, model._meta.object_name))
try:
for sql in index_sql:
cursor.execute(sql)
except Exception as e:
self.stderr.write("Failed to install index for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
transaction.rollback_unless_managed(using=db)
else:
transaction.commit_unless_managed(using=db)
with transaction.commit_on_success_unless_managed(using=db):
try:
for sql in index_sql:
cursor.execute(sql)
except Exception as e:
self.stderr.write("Failed to install index for %s.%s model: %s\n" % \
(app_name, model._meta.object_name, e))
raise
# Load initial_data fixtures (unless that has been disabled)
if load_initial_data: