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kenta-s/add-methods-back-to-array-delegation-from-ar-relation
Delegate `to_sentence` and `to_fomatted_s` to `records`
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This reverts commit d6529af2954a67bd57fda45286fa9cfd0ff6b5ac.
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`test_composite_primary_key_out_of_order` should use `barcodes_reverse`
table.
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primary_keys(table) needs to query various metadata tables in Postgres to
determine the primary key for the table. Previously, it did so using a
complex common table expression against pg_constraint and pg_attribute.
This patch simplifies the query by joining pg_index against pg_attribute
instead of going through pg_constraint. This avoids an expensive unnest,
window function query, and common table expression.
EXPLAINing these queries in Postgres against a database with a single
table with a composite primary key shows a 66% reduction in the plan and
execute latencies. This is significant during application startup time,
especially against very large schemas, where these queries would be even
slower and more numerous.
Closes #27949
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Column options are passed as an hash args then used as `options` hash in
`add_column_options!`. Converting args to attributes is inconvinient for
using options as an hash.
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Allow ActiveRecord::Base.as_json to accept a frozen Hash
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Deprecate locking of dirty records
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kamipo/remove_deprecated_passing_string_to_define_callback
Remove deprecated passing string to define callback
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And raise `ArgumentError` when passing string to define callback.
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This reverts commit 28977f1fa3d7b15c1608174a165e60b71ddf3995.
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kamipo/pk_and_ref_columns_should_be_identical_type
`primary_key` and `references` columns should be identical type
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Follow up to #26266.
The default type of `primary_key` and `references` were changed to
`bigint` since #26266. But legacy migration and sqlite3 adapter should
keep its previous behavior.
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kamipo/decouple_building_arel_ast_for_uniqueness_validator
Decouple the building Arel ASTs for uniqueness validator
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These methods are obviously for internal use.
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Currently uniqueness validator is coupled with building Arel ASTs.
This commit extracts `WhereClauseFactory#build_for_case_sensitive` for
decouple the building Arel ASTs.
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If select clause is specified and last column has a column alias,
additional column alias causes a statement invalid.
Add test coverage for counting a single column with NULL values.
Fixes #27676, #27682, and #27705.
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Restore the behaviour of the compatibility layer for integer-like PKs
* kamipo/fix_mysql_pk_dumping_correctly:
Restore custom primary key tests lost at #26266
Restore the behaviour of the compatibility layer for integer-like PKs
Correctly dump integer-like primary key with default nil
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Some custom primary key tests (added at #17631, #17696, #18220, #18228)
were lost at #26266. Restore the tests to improve test coverage.
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The PR #27384 changed migration compatibility behaviour.
```ruby
class CreateMasterData < ActiveRecord::Migration[5.0]
def change
create_table :master_data, id: :integer do |t|
t.string :name
end
end
end
```
Previously this migration created non-autoincremental primary key
expected. But after the PR, the primary key changed to autoincremental,
it is unexpected.
This change restores the behaviour of the compatibility layer.
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The PR #27384 changed integer-like primary key to be autoincrement
unless an explicit default. This means that integer-like primary key is
restored as autoincrement unless dumping the default nil explicitly.
We should dump integer-like primary key with default nil correctly.
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Deprecate `ColumnDumper#migration_keys`
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`ColumnDumper#migration_keys` was extracted to customize keys for
standardized column arguments widths. But the feature was removed in
df84e98. The internal method is no longer used for that.
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Since text default treated as an empty string in non-strict mode has
been removed in #26154, `MySQL::Column` behaves like any other column.
Also, The difference between strict and non-strict mode is covered by
`test_mysql_not_null_defaults_strict` and `test_mysql_not_null_defaults_non_strict`.
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Correct spelling
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```
go get -u github.com/client9/misspell/cmd/misspell
misspell -w -error -source=text .
```
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Fix collection_singular_ids= bug
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When the association's primary key is manually set as a symbol and called with an array of strings, CollectionAssociation#ids_writer
fails to cast the ids to integers. This is because
AssociationReflection#association_primary_key_type and
ThroughReflection#association_primary_key_type return the incorrect
type, since ModelSchema.type_for_attribute only accepts a string. The
result is an ActiveRecord::RecordNotFound error.
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MySQL generated columns: https://dev.mysql.com/doc/refman/5.7/en/create-table-generated-columns.html
MariaDB virtual columns: https://mariadb.com/kb/en/mariadb/virtual-computed-columns/
Declare virtual columns with `t.virtual name, type: …, as: "expression"`.
Pass `stored: true` to persist the generated value (false by default).
Example:
create_table :generated_columns do |t|
t.string :name
t.virtual :upper_name, type: :string, as: "UPPER(name)"
t.virtual :name_length, type: :integer, as: "LENGTH(name)", stored: true
t.index :name_length # May be indexed, too!
end
Closes #22589
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Fixes #27666.
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Use temporary connection pool for sqlite3_mem adapter
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Fixes #27826
Refer https://github.com/rails/rails/commit/f7b317175430a2d9300d9c4acfc1f34f4fdb2fbc
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Freeze default empty string for sql_type in get_oid_type
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One empty string allocation per column per row.
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Fix typo about sort in finder_methods.rb
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Reload `through_record` that has been destroyed in `create_through_record`
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This is an alternative of #27714.
If `has_one :through` association has set `nil`, `through_record` is
destroyed but still remain loaded target in `through_proxy` until
`reload` or `reset` explicitly.
If `through_proxy` is not reset (remain destroyed (frozen) target),
setting new record causes `RuntimeError: Can't modify frozen hash`.
To prevent `RuntimeError`, should reload `through_record` that has been
destroyed in `create_through_record`.
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Specify complete path to AR::LegacyYamlAdapter
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correctly check error message
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`assert_raise` does not check error message. However, in some tests,
it seems like expecting error message checking with `assert_raise`.
Instead of specifying an error message in `assert_raise`, modify to use
another assert to check the error message.
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Lambda scopes require a bunch more work. Ideally the `scope` list would
be a homogeneous collection. In this case, the reflection knows how to
construct the right reflection for this join, so lets just construct
that relation rather than instance execing to figure it out later.
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