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.transform(strict=) and sqlite-utils transform --strict/--no-strict

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Refs #787
This commit is contained in:
Simon Willison 2026-07-11 12:28:55 -07:00
commit 8c50b1e5dd
8 changed files with 140 additions and 8 deletions
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9
sqlite_utils/db.py
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@ -2514,6 +2514,7 @@ class Table(Queryable):
foreign_keys: Optional[ForeignKeysType] = None,
column_order: Optional[List[str]] = None,
keep_table: Optional[str] = None,
strict: Optional[bool] = None,
) -> "Table":
"""
Apply an advanced alter table, including operations that are not supported by
@ -2536,6 +2537,8 @@ class Table(Queryable):
to use when creating the table
:param keep_table: If specified, the existing table will be renamed to this and will not be
dropped
:param strict: Set to ``True`` to make the table strict or ``False`` to make it
non-strict. Defaults to ``None``, which preserves the existing strict mode.
"""
if not self.exists():
raise ValueError("Cannot transform a table that doesn't exist yet")
@ -2551,6 +2554,7 @@ class Table(Queryable):
foreign_keys=foreign_keys,
column_order=column_order,
keep_table=keep_table,
strict=strict,
)
pragma_foreign_keys_was_on = bool(
self.db.execute("PRAGMA foreign_keys").fetchone()[0]
@ -2604,6 +2608,7 @@ class Table(Queryable):
column_order: Optional[List[str]] = None,
tmp_suffix: Optional[str] = None,
keep_table: Optional[str] = None,
strict: Optional[bool] = None,
) -> List[str]:
"""
Return a list of SQL statements that should be executed in order to apply this transformation.
@ -2624,6 +2629,8 @@ class Table(Queryable):
:param tmp_suffix: Suffix to use for the temporary table name
:param keep_table: If specified, the existing table will be renamed to this and will not be
dropped
:param strict: Set to ``True`` to make the table strict or ``False`` to make it
non-strict. Defaults to ``None``, which preserves the existing strict mode.
"""
types = types or {}
rename = rename or {}
@ -2806,7 +2813,7 @@ class Table(Queryable):
defaults=create_table_defaults,
foreign_keys=create_table_foreign_keys,
column_order=column_order,
strict=self.strict,
strict=self.strict if strict is None else strict,
).strip()
)