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rails--rails/activerecord/CHANGELOG.md
Guilherme Mansur fd3532204c Better error message for calling columns_hash
When a record does not have a table name, as in the case for a record
with `self.abstract_class = true` and no `self.table_name` set the error
message raises a cryptic:
"ActiveRecord::StatementInvalid: Could not find table ''" this patch now
raises a new `TableNotSpecified Error`

Fixes: #36274

Co-Authored-By: Eugene Kenny <elkenny@gmail.com>
2019-06-19 14:23:03 -04:00

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* Loading the schema for a model that has no `table_name` raises a `TableNotSpecified` error.
*Guilherme Mansur*, *Eugene Kenny*
* PostgreSQL: Fix GROUP BY with ORDER BY virtual count attribute.
Fixes #36022.
*Ryuta Kamizono*
* Make ActiveRecord `ConnectionPool.connections` method thread-safe.
Fixes #36465.
*Jeff Doering*
* Add support for multiple databases to `rails db:abort_if_pending_migrations`.
*Mark Lee*
* Fix sqlite3 collation parsing when using decimal columns.
*Martin R. Schuster*
* Fix invalid schema when primary key column has a comment.
Fixes #29966.
*Guilherme Goettems Schneider*
* Fix table comment also being applied to the primary key column.
*Guilherme Goettems Schneider*
* Allow generated `create_table` migrations to include or skip timestamps.
*Michael Duchemin*
Please check [6-0-stable](https://github.com/rails/rails/blob/6-0-stable/activerecord/CHANGELOG.md) for previous changes.