1dbc0b4d3c
There existed inconsistencies between db_query & db's fallback for min datetime in str format - missing decimal seconds places. Now, we're storing the default string once and re-using it to reduce inconsistencies or room for human errors.
54 lines
1.1 KiB
Python
54 lines
1.1 KiB
Python
# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
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# License: MIT. See LICENSE
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from functools import cached_property
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from types import NoneType
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import frappe
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from frappe.query_builder.builder import MariaDB, Postgres
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Query = str | MariaDB | Postgres
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QueryValues = tuple | list | dict | NoneType
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EmptyQueryValues = object()
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FallBackDateTimeStr = "0001-01-01 00:00:00.000000"
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def is_query_type(query: str, query_type: str | tuple[str]) -> bool:
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return query.lstrip().split(maxsplit=1)[0].lower().startswith(query_type)
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class LazyString:
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def _setup(self) -> None:
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raise NotImplementedError
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@cached_property
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def value(self) -> str:
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return self._setup()
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def __str__(self) -> str:
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return self.value
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def __repr__(self) -> str:
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return f"'{self.value}'"
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class LazyDecode(LazyString):
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__slots__ = ()
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def __init__(self, value: str) -> None:
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self._value = value
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def _setup(self) -> None:
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return self._value.decode()
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class LazyMogrify(LazyString):
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__slots__ = ()
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def __init__(self, query, values) -> None:
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self.query = query
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self.values = values
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def _setup(self) -> str:
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return frappe.db.mogrify(self.query, self.values)
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