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Removed the alter table dry run feature

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It works by doing conn.backup(memory_conn) which could use
a lot of memory for a large database.
This commit is contained in:
Simon Willison 2026-06-22 10:18:01 -07:00
commit 084df1fba2
3 changed files with 12 additions and 47 deletions
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5
docs/json_api.rst
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@ -2285,8 +2285,6 @@ The request body should include an ``operations`` array. Each operation has the
]
}
Set ``"dry_run": true`` to validate the operations and return the schema that would be created without modifying the table.
Supported operations:
* ``add_column`` adds a new column. ``args`` accepts ``name``, optional ``type`` of ``text``, ``integer``, ``float`` or ``blob``, optional ``not_null``, optional literal ``default`` and optional ``default_expr``. If ``not_null`` is ``true`` either a non-null ``default`` or ``default_expr`` is required.
@ -2316,8 +2314,7 @@ A successful response returns the new schema and the previous schema:
"altered": true,
"schema": "CREATE TABLE ...",
"before_schema": "CREATE TABLE ...",
"operations_applied": 7,
"dry_run": false
"operations_applied": 7
}
Any errors will return ``{"errors": ["... descriptive message ..."], "ok": false}``, and a ``400`` status code for a bad input or a ``403`` status code for an authentication or permission error.