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Avoid a string value truncation in uniqueness validation
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In MySQL, PostgreSQL, Oracle and SQLServer, a value over the limit
cannot be inserted or updated (See #23522).
In SQLite3, a value is inserted or updated regardless of the limit.
We should avoid a string value truncation in uniqueness validation.
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Add `ActiveRecord::ValueTooLong` exception class
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Primary key should be `NOT NULL`
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Follow up to #18228.
In MySQL and PostgreSQL, primary key is to be `NOT NULL` implicitly.
But in SQLite it must be specified `NOT NULL` explicitly.
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ActiveRecord::Tasks::DatabaseAlreadyExists before another test happened to make it available
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* Switch to keyword args where we can without breaking compat.
* Use add_table_options! for :options, too.
* Some code polish.
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Add test to verify named unique index, when creating reference via add_reference
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Added notice when a database is successfully created or dropped.
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Comments are specified in migrations, stored in database itself (in its schema),
and dumped into db/schema.rb file.
This allows to generate good documentation and explain columns and tables' purpose
to everyone from new developers to database administrators.
For PostgreSQL and MySQL only. SQLite does not support comments at the moment.
See docs for PostgreSQL: http://www.postgresql.org/docs/current/static/sql-comment.html
See docs for MySQL: http://dev.mysql.com/doc/refman/5.7/en/create-table.html
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Follow up to #24542.
In MySQL and PostgreSQL, a time column value is saved as ignored the
date part of it. But in SQLite3, a time column value is saved as a string.
We should keep previous quoting behavior in sqlite3 adapter.
```
sqlite> CREATE TABLE "foos" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "start" time(0), "finish" time(4));
sqlite> INSERT INTO "foos" ("start", "finish") VALUES ('2000-01-01 12:30:00', '2000-01-01 12:30:00.999900');
sqlite> SELECT "foos".* FROM "foos";
1|2000-01-01 12:30:00|2000-01-01 12:30:00.999900
sqlite> SELECT "foos".* FROM "foos" WHERE "foos"."start" = '2000-01-01 12:30:00' LIMIT 1;
1|2000-01-01 12:30:00|2000-01-01 12:30:00.999900
sqlite> SELECT "foos".* FROM "foos" WHERE "foos"."start" = '12:30:00' LIMIT 1;
sqlite>
```
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Context #24522.
TIME column on MariaDB doesn't ignore the date part of the string when
it coerces to time.
```
root@localhost [test] > CREATE TABLE `foos` (`id` int AUTO_INCREMENT PRIMARY KEY, `start` time(0), `finish` time(4)) ENGINE=InnoDB;
Query OK, 0 rows affected (0.02 sec)
root@localhost [test] > INSERT INTO `foos` (`start`, `finish`) VALUES ('2000-01-01 12:30:00', '2000-01-01 12:30:00.999900');
Query OK, 1 row affected, 2 warnings (0.00 sec)
Note (Code 1265): Data truncated for column 'start' at row 1
Note (Code 1265): Data truncated for column 'finish' at row 1
root@localhost [test] > SELECT `foos`.* FROM `foos`;
+----+----------+---------------+
| id | start | finish |
+----+----------+---------------+
| 1 | 12:30:00 | 12:30:00.9999 |
+----+----------+---------------+
1 row in set (0.00 sec)
root@localhost [test] > SELECT `foos`.* FROM `foos` WHERE `foos`.`start` = '2000-01-01 12:30:00' LIMIT 1;
Empty set (0.00 sec)
root@localhost [test] > SELECT `foos`.* FROM `foos` WHERE `foos`.`start` = '12:30:00' LIMIT 1;
+----+----------+---------------+
| id | start | finish |
+----+----------+---------------+
| 1 | 12:30:00 | 12:30:00.9999 |
+----+----------+---------------+
1 row in set (0.00 sec)
```
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Test against MariaDB 10.0
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- Specify we want to run on latest stable ruby for mariadb
- change in runs of builds
Make mariadb? method publicly available
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Previously we were assuming that the only valid types for encoding were
arrays and hashes. However, any JSON primitive is an accepted value by
both PG and MySQL.
This does involve a minor breaking change in the handling of `default`
in the schema dumper. This is easily worked around, as passing a
hash/array literal would have worked fine in previous versions of Rails.
However, because of this, I will not be backporting this to 4.2 or
earlier.
Fixes #24234
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prevent 'attribute_changed?' from returning nil
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In 04ac5655be91f49cd4dfe2838df96213502fb274 I assumed that we would
never want to pass the "table_name.column_name" form to where with a
symbol. However, in Ruby 2.2 and later, you can quote symbols using the
new hash syntax, so it's a semi-reasonable thing to do if we want to
support the dot notation (which I'd rather deprecate, but that would be
too painful of a migration).
Instead we've changed the definition of "this is a table name with a
dot" to when the value associated is a hash. It would make very little
sense to write `where("table_name.column_name": { foo: :bar })` in any
scenario (other than equality for a JSON column which we don't support
through `where` in this way).
Close #24514.
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We support microsecond datetime precision for MySQL 5.6.4+. MariaDB has
supported it since 5.3.0, but even 10.x versions return a compatible
version string like `5.5.5-10.1.8-MariaDB-log` which we parse as 5.5.5,
before MySQL supported microsecond precision.
Specialize our version check to account for MariaDB to fix.
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* Fix undefined method `owners' for NullPreloader:Class
Fixing undefined method `owners' for
ActiveRecord::Associations::Preloader::NullPreloader:Class
* Use Ruby 1.9 hash format
Use Ruby 1.9 hash format
#24192
[Rafael Mendonça França + Ladislav Smola]
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Because we define `QUOTED_TRUE` as `"1"` and `QUOTED_FALSE` as `"0"`.
And add test cases to ensure this commit does not break current
behavior even if the value of `attributes_before_type_cast` is false.
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This reverts commit 7b82e1c77b48cb351da4e0ed6ea0bac806d4925c.
This would have removed the ability to reference a schema when using PG
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When prepared statements are enabled, the statement cache caches the SQL
directly, including the bind parameters. If a similar query is run later
with prepared statements disabled, we need to use a separate cache
instead of trying to share the same one.
Fixes #24351
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Dots have special meaning in most backends (e.g. everything except
SQLite3), as well as most methods that work with table or column names.
This isn't something that we ever explicitly supported, but there's at
least one case of somebody using this (see #24367), so we'll go through a deprecation
cycle as normal.
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provide file name for fixture ERB
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Add a test case for create a record with primary key as zero
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When a proc is given as a default value, the form builder ends up
displaying `Proc#to_s` when the default is used. That's because we
didn't handle the proc until type casting. This issue technically can
occur any time that a proc is the value before type casting, but in
reality the only place that will occur is when a proc default is
provided through the attributes API, so the best place to handle this
edge case is there.
I've opted to memoize instead of just moving the `Proc#call` up, as this
made me realize that it could potentially interact very poorly with
dirty checking.
The code here is a little redundant, but I don't want to rely on how
`value_before_type_cast` is implemented in the super class, even if it's
just an `attr_reader`.
Fixes #24249
Close #24306
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Without clearing the caches afterward, removals done in migrations would
not be reflected in a separate task in the same process. That is, given
a table with a migration to remove a column, the schema cache would
still reflect that a table has that in something such as the
'db:seed' task:
`rake db:migrate db:seed`
(A common thing to do in a script for a project ala `bin/setup`)
vs
`rake db:migrate && rake db:seed`
(Two processes)
The first would not reflect that the column was removed.
The second would (cache reset).
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`RuntimeError`
The error is raised because user passed invalid version number to a public api of
`ActiveRecord`, so `ArgumentError` is more suitable.
And add a test case checking if an error is raised when unknown migration version
is passed, because these test cases are not implemented.
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kamipo/append_sql_mode_instead_of_overwriting_in_strict_mode
Append sql_mode instead of overwriting in strict mode
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For keep the default SQL mode.
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RochesterinNYC/better-error-message-for-includes-relations-missing
Improve error message for missing relations for includes and eager_load
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relations
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Creates development and test databases in db:migrate task
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This reverts a334425caff9b2140d5e99fcfc2eb8c4ab10bdfa.
The main reason is that now the workflow is inconsistent when using
spring.
When using spring `RAILS_ENV` is always set, so only one database is
created.
This means that in development `bin/rake db:create` and `bundle exec
rake db:create` have different results.
It also breaks the `bin/setup` script since `bin/rake db:setup
db:test:prepare` will fail.
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In this patch, all log-related stuff in `ActiveSupport::Dependencies`
is removed because the logging is no longer useful.
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```
$ ARCONN=mysql2 be ruby -w -Itest test/cases/scoping/default_scoping_test.rb
Using mysql2
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: method redefined; discarding old female
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: previous definition of female was here
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: method redefined; discarding old male
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: previous definition of male was here
```
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kamipo/case_sensitive_comparison_for_non_string_column
The BINARY Operator is only needed for string columns
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Follow up to #13040.
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I'm unsure how this passed CI in the pull request.
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Extract `default_primary_key?` to refactor `column_spec_for_primary_key`
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