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http://www.sqlite.org/lang_savepoint.html
https://github.com/rails/rails/blob/master/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb#L130-L132
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Show warning message if delete_all is firing callbacks
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`post.comments.delete_all` will fire callbacks if :dependent option is
:destroy . It will be fixed in Rails 4.1 . In the meantime display
a warning . Look at #9567 for details .
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Closes #9643.
The logic was introduced with 46492949
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Take the opportunity to showcase where.not.
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Uniqueness validation uses a proc to specify the `:conditions` option.
This is a follow up to #5321 and follows the general direction in
AR to make things lazy evaluated.
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This is a follow up to #5321 and follows the general direction in
AR to make things lazy evaluated.
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Bugfix for enable_extension in postgresql_adapter.
The use of quotations is required to install extensions with certain
characters in them (e.g. uuid-ossp).
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The use of quotations is required to install extensions with certain
characters in them (e.g. uuid-ossp).
removes CHANGELOG entry
Deemed unnecessary.
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This allows end-users to have a `connection` method on their models
without clashing with ActiveRecord internals.
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Update documentation for collection<< to reflect behavior for new parent objects.
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collection<< does not automatically fire update sql unless the parent object
is not a new record (and thus has a primary key).
eg:
p = Post.new
p.comments << Comment.new
does not call update sql until:
p.save
at which point it saves the parent object and then the collection object.
changes that to the
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During insertion of "# This migration comes from ... " comment at the beginning of
a migration, presence of magic comment was not considered.
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which make it clearer about what's going on.
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[ci skip]
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Thanks @neerajdotname for noticing this bug.
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Fix ActiveRecord `subclass_from_attrs` when eager_load is false.
Conflicts:
activerecord/CHANGELOG.md
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It cannot find subclass because all classes are loaded automatically
when it needs.
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I've also added a proper acceptance test which reproduced the issue.
Closes #9513, #9515.
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Use the index name explicitly provided in a migration when reverting.
Fixes #8868
Conflicts:
activerecord/CHANGELOG.md
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schema_statements uses the column name by default to construct the index name, and then raises an exception if it doesn't exist, even if the name option is specified, which causes #8858. this commit makes index_name_for_remove fall back to constructing the index name to remove based on the name option.
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cfabianski/disable_prepared_statement_when_preparing_a_query
Unprepared Visitor + unprepared_statement
Conflicts:
activerecord/CHANGELOG.md
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Introduced in f1082b8588a9144eedb34d511f0074031f692d98.
Full changelog in 9f007d7fe5f90257c71baa2c4e7c76fb44512986.
[ci skip]
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7365 merging scopes for where clauses
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Currently Post.active.inactive will result in Post.inactive since
the last where clause wins when scopes are merged.
This pull request will merge all scopes ( barring defaul scope)
using AND.
The default scope will be overridden if another scope acts on the
same where clause.
closes #7365
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http://www.sqlite.org/lang_savepoint.html
https://github.com/rails/rails/blob/master/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb#L130-L132
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cache_key consults updated_on timestamp if present
Conflicts:
activerecord/CHANGELOG.md
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- Extract max timestamp retrieval for cache_key
- Update changelog for cache_key changes
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More helpful error message when instantiating an abstract class
Conflicts:
activerecord/CHANGELOG.md
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Calling a literal ActiveRecord::Base.new raises NoMethodError,
since it ends up calling Class.abstract_class? which does not exist.
Similarly, instantiating an actual abstract class hits the database,
when conventionally it should immediately throw NotImplementedError.
ActiveRecord::Base can't be made abstract without breaking many,
many things, so check for it separately.
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Closes #9518.
The rake task used to fail silently and left an empty `structure.sql`.
It's confusing for users to get to the root of the problem.
The warning message tells them where to look.
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As of ccc6910c we use `mysqldump` to create the `structure.sql`.
The old `#structure_dump` code is still in AR but never used.
I removed all relevant parts from the code-base.
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Transactions can be turned off per Migration
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Closes #9483.
There are SQL Queries that can't run inside a transaction. Since
the Migrator used to wrap all Migrations inside a transaction there
was no way to run these queries within a migration.
This patch adds `self.disable_ddl_transaction!` to the migration to
turn transactions off when necessary.
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Remove unused return value, because collecting_queries_for_explain isn't public API.
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public API.
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Closes #9459.
The PR #6597 unified the configuration for `include_root_in_json`
in AM and AR to `false`.
Later on with the refactoring commit: e030f26 the value in AR was
set to `true` but I think this was not on purpose.
With this commit both AM and AR will have the same configuration
for `include_root_in_json`, which is `false`.
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