Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Z
ZODB
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Nicolas Wavrant
ZODB
Commits
66ac1545
Commit
66ac1545
authored
Jun 07, 2007
by
Jim Fulton
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Committing opened blobs is disallowed.
parent
0e41f496
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
31 additions
and
10 deletions
+31
-10
src/ZODB/Connection.py
src/ZODB/Connection.py
+2
-0
src/ZODB/tests/blob_transaction.txt
src/ZODB/tests/blob_transaction.txt
+29
-10
No files found.
src/ZODB/Connection.py
View file @
66ac1545
...
@@ -613,6 +613,8 @@ class Connection(ExportImport, object):
...
@@ -613,6 +613,8 @@ class Connection(ExportImport, object):
raise
Unsupported
(
raise
Unsupported
(
"Storing Blobs in %s is not supported."
%
"Storing Blobs in %s is not supported."
%
repr
(
self
.
_storage
))
repr
(
self
.
_storage
))
if
obj
.
opened
():
raise
ValueError
(
"Can't commit with opened blobs."
)
s
=
self
.
_storage
.
storeBlob
(
oid
,
serial
,
p
,
s
=
self
.
_storage
.
storeBlob
(
oid
,
serial
,
p
,
obj
.
_p_blob_uncommitted
,
obj
.
_p_blob_uncommitted
,
self
.
_version
,
transaction
)
self
.
_version
,
transaction
)
...
...
src/ZODB/tests/blob_transaction.txt
View file @
66ac1545
...
@@ -127,6 +127,7 @@ when we start)::
...
@@ -127,6 +127,7 @@ when we start)::
>>> bool(blob1a._p_changed)
>>> bool(blob1a._p_changed)
True
True
>>> blob1afh3.write('woot!')
>>> blob1afh3.write('woot!')
>>> blob1afh3.close()
We can open more than one blob object during the course of a single
We can open more than one blob object during the course of a single
transaction::
transaction::
...
@@ -171,14 +172,12 @@ connections should result in a write conflict error::
...
@@ -171,14 +172,12 @@ connections should result in a write conflict error::
>>> root4 = database.open(transaction_manager=tm2).root()
>>> root4 = database.open(transaction_manager=tm2).root()
>>> blob1c3 = root3['blob1']
>>> blob1c3 = root3['blob1']
>>> blob1c4 = root4['blob1']
>>> blob1c4 = root4['blob1']
>>> blob1c3fh1 = blob1c3.open('a')
>>> blob1c3fh1 = blob1c3.open('a').write('this is from connection 3')
>>> blob1c4fh1 = blob1c4.open('a')
>>> blob1c4fh1 = blob1c4.open('a').write('this is from connection 4')
>>> blob1c3fh1.write('this is from connection 3')
>>> tm1.commit()
>>> blob1c4fh1.write('this is from connection 4')
>>> tm1.get().commit()
>>> root3['blob1'].open('r').read()
>>> root3['blob1'].open('r').read()
'this is blob 1woot!this is from connection 3'
'this is blob 1woot!this is from connection 3'
>>> tm2.
get().
commit()
>>> tm2.commit()
Traceback (most recent call last):
Traceback (most recent call last):
...
...
ConflictError: database conflict error (oid 0x01, class ZODB.blob.Blob)
ConflictError: database conflict error (oid 0x01, class ZODB.blob.Blob)
...
@@ -188,7 +187,7 @@ connections::
...
@@ -188,7 +187,7 @@ connections::
>>> root3['blob1'].open('r').read()
>>> root3['blob1'].open('r').read()
'this is blob 1woot!this is from connection 3'
'this is blob 1woot!this is from connection 3'
>>> tm2.
get().
abort()
>>> tm2.abort()
>>> root4['blob1'].open('r').read()
>>> root4['blob1'].open('r').read()
'this is blob 1woot!this is from connection 3'
'this is blob 1woot!this is from connection 3'
...
@@ -202,6 +201,26 @@ int on 64-bit)::
...
@@ -202,6 +201,26 @@ int on 64-bit)::
>>> int(blob_size - underlying_size)
>>> int(blob_size - underlying_size)
91
91
You can't commit a transaction while blob files are open:
>>> f = root3['blob1'].open('w')
>>> tm1.commit()
Traceback (most recent call last):
...
ValueError: Can't commit with opened blobs.
>>> f.close()
>>> tm1.abort()
>>> f = root3['blob1'].open('w')
>>> f.close()
>>> f = root3['blob1'].open('r')
>>> tm1.commit()
Traceback (most recent call last):
...
ValueError: Can't commit with opened blobs.
>>> f.close()
>>> tm1.abort()
Savepoints and Blobs
Savepoints and Blobs
--------------------
--------------------
...
@@ -226,7 +245,7 @@ We do support optimistic savepoints:
...
@@ -226,7 +245,7 @@ We do support optimistic savepoints:
>>> savepoint = transaction.savepoint(optimistic=True)
>>> savepoint = transaction.savepoint(optimistic=True)
>>> root5['blob'].open("r").read()
>>> root5['blob'].open("r").read()
"I'm a happy blob. And I'm singing."
"I'm a happy blob. And I'm singing."
>>> transaction.
get().
commit()
>>> transaction.commit()
We support optimistic savepoints too:
We support optimistic savepoints too:
...
@@ -315,6 +334,6 @@ We don't need the storage directory and databases anymore::
...
@@ -315,6 +334,6 @@ We don't need the storage directory and databases anymore::
>>> import shutil
>>> import shutil
>>> shutil.rmtree(blob_dir)
>>> shutil.rmtree(blob_dir)
>>> tm1.
get().
abort()
>>> tm1.abort()
>>> tm2.
get().
abort()
>>> tm2.abort()
>>> database.close()
>>> database.close()
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment