| Commit message (Collapse) | Author | Age | Files | Lines |
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- Closes #30441
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Currently `SchemaDumper` is only customizable for column options. But
3rd party connection adapters (oracle-enhanced etc) need to customizable
for table or index dumping also. To make it possible, I introduced
adapter specific `SchemaDumper` classes for that.
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This is only used for the internal `column_spec` and
`column_spec_for_primary_key`.
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(#29944)
Since 213796f, it was lost the ability that SQL with binds for `insert`,
`update`, and `delete` (like `select_all`). This restores the ability
because `insert`, `update`, and `delete` are public API, so it should
not be removed without deprecation.
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Because `to_sql` is public API. I introduced `to_sql_and_binds` internal
API to return SQL and binds.
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refs: https://github.com/rails/rails/pull/30161
```
$ echo "+@size+" | rdoc --pipe
<p>+@size+</p>
$ echo "<tt>@size</tt>" | rdoc --pipe
<p><code>@size</code></p>
```
[ci skip]
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Otherwise `ConnectionPool#reap` may run before `@connections` has
initialized.
https://travis-ci.org/rails/rails/jobs/263037427#L888-L890
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Add missed `require`
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`ActiveRecord::ConnectionAdapters::QueryCache::ConnectionPoolConfiguration`
depends on `Concurrent::Map`.
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It seems that it accepts only HTTPS connections.
Ref: https://github.com/postgres/postgres/commit/7f77cbd996855a06fb742ea11adbe55c42b48fe2
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The limit option is ignored by PostgreSQL and may be ignored by 3rd
party backends. Make this clear in the docs. Fixes #29922.
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This also reverts the change to enable prepared statements by default on
MySQL (though I suspect we could enable them and it'd be great). This
change brings back a collector closer to the old `Bind` collector in
Arel. However, this one lives in AR, since this is an AR specific need.
Additionally, we only use it for statement caching, since the new
substitute collector in Arel is higher performance for most cases.
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A common source of bugs and code bloat within Active Record has been the
need for us to maintain the list of bind values separately from the AST
they're associated with. This makes any sort of AST manipulation
incredibly difficult, as any time we want to potentially insert or
remove an AST node, we need to traverse the entire tree to find where
the associated bind parameters are.
With this change, the bind parameters now live on the AST directly.
Active Record does not need to know or care about them until the final
AST traversal for SQL construction. Rather than returning just the SQL,
the Arel collector will now return both the SQL and the bind parameters.
At this point the connection adapter will have all the values that it
had before.
A bit of this code is janky and something I'd like to refactor later. In
particular, I don't like how we're handling associations in the
predicate builder, the special casing of `StatementCache::Substitute` in
`QueryAttribute`, or generally how we're handling bind value replacement
in the statement cache when prepared statements are disabled.
This also mostly reverts #26378, as it moved all the code into a
location that I wanted to delete.
/cc @metaskills @yahonda, this change will affect the adapters
Fixes #29766.
Fixes #29804.
Fixes #26541.
Close #28539.
Close #24769.
Close #26468.
Close #26202.
There are probably other issues/PRs that can be closed because of this
commit, but that's all I could find on the first few pages.
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Abstract boolean serialization has been using 't' and 'f', with MySQL
overriding that to use 1 and 0.
This has the advantage that SQLite natively recognizes 1 and 0 as true
and false, but does not natively recognize 't' and 'f'.
This change in serialization requires a migration of stored boolean data
for SQLite databases, so it's implemented behind a configuration flag
whose default false value is deprecated. The flag itself can be
deprecated in a future version of Rails. While loaded models will give
the correct result for boolean columns without migrating old data,
where() clauses will interact incorrectly with old data.
While working in this area, also change the abstract adapter to use
`"TRUE"` and `"FALSE"` as quoted values and `true` and `false` for
unquoted. These are supported by PostreSQL, and MySQL remains
overriden.
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Because the deprecation message is not yet released.
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Let's say you have a nested transaction and both records are saved.
Before the outer transaction closes, a rollback is performed. Previously
the record in the outer transaction would get marked as not persisted
but the inner transaction would get persisted.
```ruby
Post.transaction do
post_one.save # will get rolled back
Post.transaction(requires_new: true) do
post_two.save # incorrectly remains marked as persisted
end
raise ActiveRecord::Rollback
end
```
To fix this the PR changes transaction handling to have the child
transaction ask the parent how the records should be marked. When
there are child transactions, it will always be a SavpointTransaction
because the stack isn't empty. From there we pass the parent_transaction
to the child SavepointTransaction where we add the children to the parent
so the parent can mark the inner transaction as rolledback and thus mark
the record as not persisted.
`update_attributes_from_transaction_state` uses the `completed?` check to
correctly mark all the transactions as rolledback and the inner record as
not persisted.
```ruby
Post.transaction do
post_one.save # will get rolled back
Post.transaction(requires_new: true) do
post_two.save # with new behavior, correctly marked as not persisted
on rollback
end
raise ActiveRecord::Rollback
end
```
Fixes #29320
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`set_state` was directly setting the transaction state instance
variable. It's better to set the state via specific methods (`rollback!`
and `commit!` respectively.
While undocumented and untested, it's possible someone is using
`set_state` in their app or gem so I've added a deprecation notice to
it.
No where in the app do we use `nullify!` but I wanted to keep existing
behavior while replacing the method with a better pattern.
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This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing
changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
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Enforce frozen string in Rubocop
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Make ActiveSupport frozen-string-literal friendly.
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`test_middleware_caches` is sometimes failed since #29454.
The failure is due to schema statements are affected by query caching.
Bypassing query caching for schema statements to avoid the issue.
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`test_cache_is_available_when_using_a_not_connected_connection` is
always failed if running only the test since #29609.
```
% ARCONN=mysql2 be ruby -w -Itest test/cases/query_cache_test.rb -n test_cache_is_available_when_using_a_not_connected_connection
Using mysql2
Run options: -n test_cache_is_available_when_using_a_not_connected_connection --seed 15043
F
Finished in 0.070519s, 14.1806 runs/s, 28.3612 assertions/s.
1) Failure:
QueryCacheTest#test_cache_is_available_when_using_a_not_connected_connection [test/cases/query_cache_test.rb:336]:
2 instead of 1 queries were executed.
Queries:
SELECT `tasks`.* FROM `tasks` WHERE `tasks`.`id` = ? LIMIT ?
SET NAMES utf8 COLLATE utf8_unicode_ci, @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ',STRICT_ALL_TABLES'), ',NO_AUTO_VALUE_ON_ZERO'), @@SESSION.sql_auto_is_null = 0, @@SESSION.wait_timeout = 2147483.
Expected: 1
Actual: 2
1 runs, 2 assertions, 1 failures, 0 errors, 0 skips
```
This failure is due to `LogSubscriber` will use not connected
`ActiveRecord::Base.connection` even if `Task.connection` is connected.
I fixed to always pass `type_casted_binds` to log subscriber to avoid
the issue.
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`Relation#locked?` should not build arel
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The delegation was needed since passing `relation` with
`relation.bound_attributes`. It should use `relation.arel` in that case.
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Scalar values like arrays and hashes can't be inserted
directly into table. Previously, the way to determine if
the value is scalar was to try quoting it. If `quote` raised
with an error than the value has to be converted to YAML.
This flow is not very obvious. Ideally we could have
a `quotable?` method in the connection, but I think
that we can avoid begin/rescue block by simply checking
if the value is Array or Hash.
https://github.com/rails/rails/commit/aa31d21f5f4fc4d679e74a60f9df9706da7de373
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Improves the performance from O(n) to O(1).
Previously it would require 50 queries to
insert 50 fixtures. Now it takes only one query.
Disabled on sqlite which doesn't support multiple inserts.
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Refactor #insert_fixtures to use Arel
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Fix `create_table` with query from relation
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If a relation has binds, `connection.to_sql(relation)` without binds
will generate invalid SQL. It should use `relation.to_sql` in that case.
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Fixes #29460.
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This option was added in b9fa354. But it does not seem to work.
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Nerian/document_support_for_composite_primary_keys
Document support for composite primary keys
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Both reference id and type should be `NOT NULL` if `null: false` is specified
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This is a regression due to #28282.
Fixes #29136.
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present.
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In this case, it's the method definition that's more at fault, rather
than the current caller.
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`supports_statement_cache?` was introduced in 3.1.0.beta1 (104d0b2) for
bind parameter substitution, but it is no longer used in 3.1.0.rc1
(73ff679). Originally it should respect `prepared_statements` rather
than `supports_statement_cache?` (fd39847).
One more thing, named `supports_statement_cache?` is pretty misreading.
We have `StatementCache` and `StatementPool`. However,
`supports_statement_cache?` doesn't mean `StatementCache`, but
`StatementPool` unlike its name.
https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/statement_cache.rb
https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/connection_adapters/statement_pool.rb
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