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onwards.
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`bound_attributes` is now used universally across the board, removing
the need for the conversion layer. These changes are mostly mechanical,
with the exception of the log subscriber. Additional, we had to
implement `hash` on the attribute objects, so they could be used as a
key for query caching.
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When table has a composite primary key, the `primary_key` method for
sqlite3 and postgresql was only returning the first field of the key.
Ensures that it will return nil instead, as AR dont support composite pks.
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Oh hey, we got to remove some code because of that!
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Arel handles this for us automatically. Updated tests, as BindParam is
no longer a subclass of SqlLiteral. We should remove the second argument
to substitute_at entirely, as it's no longer used
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This is a reacon to https://github.com/rails/rails/commit/d6c1205584b1ba597db4071b168681678b1e9875#commitcomment-7502487
This backwards incompatibility was introduced with d6c12055 to fix #7516.
However both `connection.default_sequence_name` and `model.sequence_name` are public API.
The PostgreSQL adapter should honor the interface and return strings.
/cc @matthewd @chancancode
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Fixes #16623 introduced by https://github.com/rails/rails/commit/3d5a2019bcccc6fb01bee4811ca669f4383edb51
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Fixed #columns_for_distinct of postgresql adapter
Conflicts:
activerecord/CHANGELOG.md
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This test was inspired by #14866. That PR would break this
functionality and we should make sure we notice that in the future.
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[Yves Senn & Matthew Draper]
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[Yves Senn & Matthew Draper]
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This setups the helper method which other tests can benefit from.
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The pk_an_sequence_for query previously joined against pg_class's oid
for rows in pg_depend, but pg_depend's objid may point to other system
tables, such as pg_attrdef. If a row in one of those other tables
coincidentally has the same oid as an (unrelated) sequence, that
sequence name may be returned instead of the real one.
This ensures that only the pg_depend entries pointing to pg_class are
considered.
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remove created state after test execution, not before the next test.
This prevents the leak of the `ex` table outside of a single test.
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user's system configuration
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Currently if you attempt to use a database that does not exist you get an error:
```
PG::ConnectionBad FATAL: database "db_error" does not exist
```
The solution is easy, create and migrate your database however new developers may not know these commands by memory. Instead of requiring the developer to search for a solution, tell them how to fix the problem in the error message:
```
ActiveRecord::NoDatabase: FATAL: database "db_error" does not exist
Run `$ bin/rake db:create db:migrate` to create your database
```
Active Record should not know about `rake db:migrate` so this additional information needs to come from the railtie. Potential alternative implementation suggestions are welcome.
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Previously, executing an insert SQL in PostgreSQL with a command like this:
insert into articles(
number)
values(
5152
)
would not work because the adapter was unable to extract the correct articles table name.
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Deprecate SchemaStatements#distinct, and make SchemaStatements#columns_for_distinct nodoc.
Conflicts:
activerecord/CHANGELOG.md
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The combination of a :uniq => true association and the #distinct call
in #construct_limited_ids_condition combine to create invalid SQL, because
we're explicitly selecting DISTINCT, and also sending #distinct on to AREL,
via the relation#distinct_value.
Rather than build a select distinct clause in #construct_limited_ids_condition,
I set #distinct! and pass just the columns into the select statement.
This requires introducing a #columns_for_distinct method to return the
select columns but not the statement itself.
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Now, connection handles the check for valid types so that each database can handle the changes individually.
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This reverts commit c321b309a9a90bbfa0912832c11b3fef52e71840.
Conflicts:
activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
Reason: failing test
1) Error:
test_valid_column(ActiveRecord::ConnectionAdapters::SQLite3AdapterTest):
NoMethodError: undefined method `column' for
test/cases/adapters/sqlite3/sqlite3_adapter_test.rb:29:in
`test_valid_column'
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* add/cleanup tests
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* tidy test code and fix my typo
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* table_exists? scoped by schema search path unless schema is explicitly named. Added tests and doc to clarify the behaviour
* extract_schema_and_table tests and implementation extended to cover all cases
* primary_key does not ignore schema information
* add current_schema and schema_exists? methods
* more robust table referencing in insert_sql and sql_for_insert methods
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RUNNING_UNIT_TESTS file for details, but essentially you can now configure things in test/config.yml. You can also run tests directly via the command line, e.g. ruby path/to/test.rb (no rake needed, uses default db connection from test/config.yml). This will help us fix the CI by enabling us to isolate the different Rails versions to different databases.
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sequence name
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