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reset db #13

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bleonard opened this issue Sep 4, 2015 · 7 comments
Closed

reset db #13

bleonard opened this issue Sep 4, 2015 · 7 comments

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@bleonard
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bleonard commented Sep 4, 2015

For tests, we need to clear/truncate all the tables.
What's the best what to do that?
I'm currently iterating through each and realm.objects(name).delete(results);

Is there one method to start over the whole db?

@alazier
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alazier commented Sep 5, 2015

In the objc binding we have a function deleteAllObjects. We can add this to the js binding.

@alazier
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alazier commented Sep 5, 2015

Another way to go about this is to simply delete the realm files between tests. The path of the default realm can be accessed without opening the realm by accessing the property Realm.defaultPath

@bleonard
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bleonard commented Sep 5, 2015

Thanks.

I was doing the deleting before, but it won't work. I used to delete everything in the document directory and hot-reload to flush the memory.
It doesn't work because I don't relaunch the whole app, it's just that reload. As I noted in some other issue, the code now only seems to generate/migrate on real app launch and not these "command+R" reloads.

No now, I'm skipping the realm files in the delete from the document directory and will be calling deleteAllObjects when that becomes available.

@alazier
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alazier commented Sep 8, 2015

This has been added in the form of:

realm.deleteAll();

@alazier alazier closed this as completed Sep 8, 2015
@bleonard
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works! 👍

alazier added a commit that referenced this issue Nov 14, 2015
7701ba1 Merge pull request #16 from realm/tg-close
883ef12 Add Realm::close() and call it in RealmCache::clear()
e9ca54e Merge pull request #12 from realm/tg-core-0.94.4
0823a62 Merge pull request #13 from realm/tg-is-empty
62f59d9 Merge pull request #15 from realm/tg-file-error-path
b93e5ce Include the path of the file which actually failed to open in exceptions
e1e9cd8 Add ObjectStore::is_empty()
52e7e61 Update for core 0.94.4
271432b Merge pull request #11 from realm/kd-rename-delegate-to-bindingcontext
db36ca5 Remove Realm suffix
70e1967 Rename realm delegate in transact_log_handler as well
4973827 Rename RealmDelegate to RealmBindingContext
347145b Merge pull request #8 from realm/mar-migrate-required-to-optional
0b45772 Add a test showing our behavior when migrating from an optional column to a required column.
9f1702a Support migrating required columns to optional, preserving their contents.
f5b790c Merge pull request #6 from realm/tg-impl
6dfeaf8 Move things which are not part of the API to an impl directory/namespace
513e483 Merge pull request #4 from realm/tg-realm
f646777 Send changes_available() even if autorefresh is enabled
21d32bf Add a bit of documentation for RealmDelegate
95c80c9 Fix error in cleanup after an error during a migration
b7936bb Simplify column shifting for removed properties a little
a0f1dab Add a Schema class, move lookup by name and internal-consistency checks there
b381437 Make Realm::compact() more robust
6133eeb Reduce the scope of a variable
0c111a2 Fix a comment
ba278c5 Fix checks for what types of columns can be optional
7de20ea USe more const refs to avoid copies
dbac77f Make a bunch of things const
1400450 Remove an unused function
06e0ff8 Share ExternalCommitHelpers between Realm instances for a single path
f79dec9 Allow more nullable property types when supported
0eb0bd1 Honor is_nullable when creating columns
ea5c475 Refactor schema initialization a bit
e4f29fe Move the interprocess notification functionality to the object store
b129ebe Shuffle stuff around and clean some things up
eeb2ddd Improve array KVO performance a bit
c3649fb Skip PK uniqueness checking when first creating a Realm file
0a41c85 Improve performance of realm_requires_update() and make more things const
efdfa08 Port some of the KVO support functionality to the object store
65e1eb5 Add the ability to bypass the Realm cache entirely
3f226cf Rework change notifications
045c7b2 Add Realm::get_schema_version()
e4377bb Change realm::Schema to a vector rather than a map
cae4cf2 Remove property.hpp include from object_schema.hpp
55e6cca Convert RLMRealmConfiguration to a wrapper around Realm::Config
563a837 Use NSDMIs for realm::Property
0ae1bb1 Don't cache dynamic realms in the ObjectStore cache either
25a6734 Eliminate some copies
45890f2 Use NSDMIs for Realm
348f4a7 Reduce s_init_mutex's scope
b4f856b Use NSDMIs for Realm::Config and make it moveable
a91839b Store a copy of the encryption key
0700428 Merge pull request #3 from realm/al-bugfixes
b084335 clear Realm cache between tests
cb8364c property copy schema from cached realms
8712c8b fixes for latest object store changes
453e4d8 Fix crash when adding a property to a model without updating the schema version.

git-subtree-dir: src/object-store
git-subtree-split: 7701ba1
tgoyne added a commit that referenced this issue Jan 4, 2016
Add ObjectStore::is_empty()
@brunodasilvalenga
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Hello, did not work for me :/

try {
realm.write(() => {
realm.deleteAll()
})
} catch (err) {
if (err) Promise.reject(new Error(Error. Log: ${err}))
}

I received this message:
Acecessing object of type Message which has been invalidated or deleted.

Obs; 'Message' is my schema.

@Selman555
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I'm @brunovalenga. I'm trying to fix this for me as well.
You most likely have some realm object references in your store (or something similar) that are still being called after you nuked realm.
Best thing to do would refresh your state to the initial state so that all references are collected by the garbage collector.

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