108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
import warnings
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from django.contrib.postgres.fields import ArrayField
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from django.db.models import Aggregate
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from django.db.models import BitAnd as _BitAnd
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from django.db.models import BitOr as _BitOr
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from django.db.models import BitXor as _BitXor
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from django.db.models import BooleanField, JSONField
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from django.db.models import StringAgg as _StringAgg
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from django.db.models import Value
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from django.utils.deprecation import RemovedInDjango70Warning
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__all__ = [
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"ArrayAgg",
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"BitAnd", # RemovedInDjango70Warning
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"BitOr", # RemovedInDjango70Warning
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"BitXor", # RemovedInDjango70Warning
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"BoolAnd",
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"BoolOr",
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"JSONBAgg",
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"StringAgg", # RemovedInDjango70Warning.
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]
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class ArrayAgg(Aggregate):
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function = "ARRAY_AGG"
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allow_distinct = True
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allow_order_by = True
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@property
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def output_field(self):
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return ArrayField(self.source_expressions[0].output_field)
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class BitAnd(_BitAnd):
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def __init__(self, expression, **extra):
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warnings.warn(
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"The PostgreSQL-specific BitAnd function is deprecated. Use "
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"django.db.models.aggregates.BitAnd instead.",
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category=RemovedInDjango70Warning,
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stacklevel=2,
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)
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super().__init__(expression, **extra)
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class BitOr(_BitOr):
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def __init__(self, expression, **extra):
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warnings.warn(
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"The PostgreSQL-specific BitOr function is deprecated. Use "
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"django.db.models.aggregates.BitOr instead.",
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category=RemovedInDjango70Warning,
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stacklevel=2,
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)
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super().__init__(expression, **extra)
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class BitXor(_BitXor):
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def __init__(self, expression, **extra):
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warnings.warn(
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"The PostgreSQL-specific BitXor function is deprecated. Use "
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"django.db.models.aggregates.BitXor instead.",
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category=RemovedInDjango70Warning,
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stacklevel=2,
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)
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super().__init__(expression, **extra)
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class BoolAnd(Aggregate):
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function = "BOOL_AND"
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output_field = BooleanField()
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class BoolOr(Aggregate):
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function = "BOOL_OR"
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output_field = BooleanField()
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class JSONBAgg(Aggregate):
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function = "JSONB_AGG"
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allow_distinct = True
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allow_order_by = True
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output_field = JSONField()
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# RemovedInDjango70Warning: When the deprecation ends, remove completely.
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class StringAgg(_StringAgg):
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def __init__(self, expression, delimiter, **extra):
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if isinstance(delimiter, str):
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warnings.warn(
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"delimiter: str will be resolved as a field reference instead "
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"of a string literal on Django 7.0. Pass "
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f"`delimiter=Value({delimiter!r})` to preserve the previous behavior.",
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category=RemovedInDjango70Warning,
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stacklevel=2,
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)
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delimiter = Value(delimiter)
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warnings.warn(
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"The PostgreSQL specific StringAgg function is deprecated. Use "
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"django.db.models.aggregates.StringAgg instead.",
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category=RemovedInDjango70Warning,
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stacklevel=2,
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)
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super().__init__(expression, delimiter, **extra)
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