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[Yves Senn & Matthew Draper]
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[Yves Senn & Matthew Draper]
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[ci skip]
The examples are written in a way you expect them to be executable.
However one snippet assumed there to be two comments when only one
was created above.
The defined models did not extend `ActiveRecord::Base`
The example used `comments.last.mark_for_destruction`. This does no
longer load the whole collection but just the last record. It is
then refetcht on subsequent calls to `last`. This breaks the example.
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Fix insertion of records for hmt association with scope
Conflicts:
activerecord/CHANGELOG.md
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Conflicts:
activerecord/CHANGELOG.md
activesupport/CHANGELOG.md
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cache.
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with strings with string keys.
Related #14668.
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values.
With the changes introduced by 16b70fddd4dc7e7fb7be108add88bae6e3c2509b
it was expecting the value to be a Symbol, while it could be also a
String value.
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In passing, allow multi-word adapters to be referenced in a URL:
underscored_name must become hyphened-name.
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The "DATABASE_URL_*" idea was moving in the wrong direction.
Instead, let's deprecate the situation where we end up using
ENV['DATABASE_URL'] at all: the Right Way is to explicitly include it in
database.yml with ERB.
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.. even when the supplied config made no hint that name was relevant.
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If the supplied string doesn't contain a colon, it clearly cannot be a
database URL. They must have intended to do a key lookup, so even though
it failed, give the explanatory deprecation warning, and raise the
exception that lists the known configs.
Conveniently, this also simplifies our logical behaviour: if the string
matches a known configuration, or doesn't contain a colon (and is
therefore clearly not a URL), then we output a deprecation warning, and
behave exactly as we would if it were a symbol.
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This seems to simplify the operative part. Most importantly, by
pre-loading all the configs supplied in ENV, we ensure the list is
complete: if the developer specifies an unknown config, the exception
includes a list of valid ones.
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configuration
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As we like ENV vars, also support DATABASE_URL_#{env}, for more obscure
use cases.
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The original attempt didn't really fix the problem and wasn't testing the
problematic area. This commit corrected those issues in the original commit.
Also removed the private `enum_mapping_for` method. As `defined_enums` is now a
method, this method doesn't provide much value anymore.
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Build the reverse_order on its proper method.
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The reverse_order method was using a flag to control if the order should
be reversed or not. Instead of using this variable just build the reverse order
inside its proper method.
This implementation was leading to an unexpected behavior when using
reverse_order and then applying reorder(nil).
Example:
Before
Post.order(:name).reverse_order.reorder(nil)
# => SELECT "posts".* FROM "posts" ORDER BY "posts"."id" DESC
After
Post.order(:name).reverse_order.reorder(nil)
# => SELECT "posts".* FROM "posts"
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Passing in a blank string is a bug so there's no reason
to check for a blank string.
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Use connection-specific bytea escaping
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In our normal usage, it's rare for this to make a difference... but is
more technically correct.
As well as a spec that proves this is a good idea, let's also add a more
sane-looking one that just covers basic to_sql functionality. There
aren't many places where we actually use escape_bytea, but that's one
that won't be going away.
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This is necessary because Postgresql doesn't play nice with ORDER BY and
no GROUP BY.
Fixes #14621.
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Make enums distinct per class
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This method no longer returns an array of all records that
have been removed. Correct documentation to reflect this change.
See issue 14546
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PostgreSQL, remove varchar limit.
Conflicts:
activerecord/CHANGELOG.md
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This is an illustration of https://github.com/rails/rails/pull/13435#issuecomment-33789752
Removing the limit from the PG and SQLite adapter solves the issue.
MySQL is still affected by the issue.
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& Yves Senn]
There is no reason for the PG adapter to have a default limit of 255 on :string
columns. See this snippet from the PG docs:
Tip: There is no performance difference among these three types, apart
from increased storage space when using the blank-padded type, and a
few extra CPU cycles to check the length when storing into a
length-constrained column. While character(n) has performance
advantages in some other database systems, there is no such advantage
in PostgreSQL; in fact character(n) is usually the slowest of the
three because of its additional storage costs. In most situations text
or character varying should be used instead.
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Renamed private methods _create_record and _update_record
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This is to ensure that they are not accidentally called by the app code.
They are renamed to _create_record and _update_record respectively.
Closes #11645
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CollectionProxy uses the arel of its association's scope.
Conflicts:
activerecord/CHANGELOG.md
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CollectionProxy should be able to reuse the behavior (methods) of its parent class,
but with its own state. This change allows CollectionProxy to use the arel object
corresponding to its association's scope.
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Auto-generate stable fixture UUIDs on PostgreSQL
Conflicts:
activerecord/CHANGELOG.md
activerecord/lib/active_record/fixtures.rb
activerecord/test/cases/adapters/postgresql/uuid_test.rb
activesupport/CHANGELOG.md
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