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rails--rails/railties
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Ryuta Kamizono 0908184e4c Use execute_batch2 rather than execute_batch to fix performance regression for fixture loading 
d8d6bd5 makes fixture loading to bulk statements by using
`execute_batch` for sqlite3 adapter. But `execute_batch` is slower and
it caused the performance regression for fixture loading.

In sqlite3 1.4.0, it have new batch method `execute_batch2`. I've
confirmed `execute_batch2` is extremely faster than `execute_batch`.
So I think it is worth to upgrade sqlite3 to 1.4.0 to use that method.

Before:

```
% ARCONN=sqlite3 bundle exec ruby -w -Itest test/cases/associations/eager_test.rb -n test_eager_loading_too_may_ids
Using sqlite3
Run options: -n test_eager_loading_too_may_ids --seed 35790

# Running:

.

Finished in 202.437406s, 0.0049 runs/s, 0.0049 assertions/s.
1 runs, 1 assertions, 0 failures, 0 errors, 0 skips
ARCONN=sqlite3 bundle exec ruby -w -Itest  -n test_eager_loading_too_may_ids  142.57s user 60.83s system 98% cpu 3:27.08 total
```

After:

```
% ARCONN=sqlite3 bundle exec ruby -w -Itest test/cases/associations/eager_test.rb -n test_eager_loading_too_may_ids
Using sqlite3
Run options: -n test_eager_loading_too_may_ids --seed 16649

# Running:

.

Finished in 8.471032s, 0.1180 runs/s, 0.1180 assertions/s.
1 runs, 1 assertions, 0 failures, 0 errors, 0 skips
ARCONN=sqlite3 bundle exec ruby -w -Itest  -n test_eager_loading_too_may_ids  10.71s user 1.36s system 95% cpu 12.672 total
```
2019-04-04 03:27:46 +09:00
..
bin
exe
lib Use execute_batch2 rather than execute_batch to fix performance regression for fixture loading 2019-04-04 03:27:46 +09:00
test Use execute_batch2 rather than execute_batch to fix performance regression for fixture loading 2019-04-04 03:27:46 +09:00
.gitignore Install JavaScript packages before run test 2019-02-11 09:58:08 +09:00
CHANGELOG.md Merge pull request #35703 from y-yagi/add_database_option_to_dbconsole_command 2019-04-02 16:30:46 +09:00
MIT-LICENSE Bump license years for 2019 2018-12-31 10:24:38 +07:00
railties.gemspec Updated links from http to https in guides, docs, etc 2019-03-09 16:43:47 +05:30
Rakefile Install JavaScript packages before run test 2019-02-11 09:58:08 +09:00
RDOC_MAIN.rdoc Fix links in gemspec and docs from http to https. 2019-03-09 19:42:35 +05:30
README.rdoc Updated links from http to https in guides, docs, etc 2019-03-09 16:43:47 +05:30

README.rdoc 

= Railties -- Gluing the Engine to the Rails

Railties is responsible for gluing all frameworks together. Overall, it:

* handles the bootstrapping process for a Rails application;

* manages the +rails+ command line interface;

* and provides the Rails generators core.


== Download

The latest version of Railties can be installed with RubyGems:

* gem install railties

Source code can be downloaded as part of the Rails project on GitHub

* https://github.com/rails/rails/tree/master/railties

== License

Railties is released under the MIT license:

* https://opensource.org/licenses/MIT

== Support

API documentation is at

* https://api.rubyonrails.org

Bug reports can be filed for the Ruby on Rails project here:

* https://github.com/rails/rails/issues

Feature requests should be discussed on the rails-core mailing list here:

* https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-core