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e7f95ef4c2
https://docs.djangoproject.com/en/5.0/releases/4.2/#setting-update-fields-in-model-save-may-now-be-required
36 lines
1,011 B
Python
36 lines
1,011 B
Python
""" Database utilities """
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from typing import Optional, Iterable, Set, cast
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import sqlparse # type: ignore
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def format_trigger(sql: str) -> str:
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"""format SQL trigger before storing
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we remove whitespace and use consistent casing so as to avoid migrations
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due to formatting changes.
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"""
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return cast(
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str,
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sqlparse.format(
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sql,
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strip_comments=True,
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strip_whitespace=True,
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use_space_around_operators=True,
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keyword_case="upper",
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identifier_case="lower",
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),
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)
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def add_update_fields(
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update_fields: Optional[Iterable[str]], *fields: str
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) -> Optional[Set[str]]:
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"""
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Helper for adding fields to the update_fields kwarg when modifying an object
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in a model's save() method.
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https://docs.djangoproject.com/en/5.0/releases/4.2/#setting-update-fields-in-model-save-may-now-be-required
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"""
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return set(fields).union(update_fields) if update_fields is not None else None
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