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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/migration-operations.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/ref/migration-operations.txt b/docs/ref/migration-operations.txt index cd852f537d..9e90b78623 100644 --- a/docs/ref/migration-operations.txt +++ b/docs/ref/migration-operations.txt @@ -195,6 +195,16 @@ if the field is nullable or if it has a default value that can be used to populate the recreated column. If the field is not nullable and does not have a default value, the operation is irreversible. +.. admonition:: PostgreSQL + + ``RemoveField`` will also delete any additional database objects that are + related to the removed field (like views, for example). This is because the + resulting ``DROP COLUMN`` statement will include the ``CASCADE`` clause to + ensure `dependent objects outside the table are also dropped`_. + +.. _dependent objects outside the table are also dropped: https://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-PARMS-CASCADE + + ``AlterField`` -------------- |