start-pack

myenv/lib/python3.12/site-packages/django/contrib/postgres/aggregates/__init__.py

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+from .general import *  # NOQA
+from .statistics import *  # NOQA

myenv/lib/python3.12/site-packages/django/contrib/postgres/aggregates/general.py

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+from django.contrib.postgres.fields import ArrayField
+from django.db.models import Aggregate, BooleanField, JSONField, TextField, Value
+
+from .mixins import OrderableAggMixin
+
+__all__ = [
+    "ArrayAgg",
+    "BitAnd",
+    "BitOr",
+    "BitXor",
+    "BoolAnd",
+    "BoolOr",
+    "JSONBAgg",
+    "StringAgg",
+]
+
+
+class ArrayAgg(OrderableAggMixin, Aggregate):
+    function = "ARRAY_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(order_by)s)"
+    allow_distinct = True
+
+    @property
+    def output_field(self):
+        return ArrayField(self.source_expressions[0].output_field)
+
+
+class BitAnd(Aggregate):
+    function = "BIT_AND"
+
+
+class BitOr(Aggregate):
+    function = "BIT_OR"
+
+
+class BitXor(Aggregate):
+    function = "BIT_XOR"
+
+
+class BoolAnd(Aggregate):
+    function = "BOOL_AND"
+    output_field = BooleanField()
+
+
+class BoolOr(Aggregate):
+    function = "BOOL_OR"
+    output_field = BooleanField()
+
+
+class JSONBAgg(OrderableAggMixin, Aggregate):
+    function = "JSONB_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(order_by)s)"
+    allow_distinct = True
+    output_field = JSONField()
+
+
+class StringAgg(OrderableAggMixin, Aggregate):
+    function = "STRING_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(order_by)s)"
+    allow_distinct = True
+    output_field = TextField()
+
+    def __init__(self, expression, delimiter, **extra):
+        delimiter_expr = Value(str(delimiter))
+        super().__init__(expression, delimiter_expr, **extra)

myenv/lib/python3.12/site-packages/django/contrib/postgres/aggregates/mixins.py

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+import warnings
+
+from django.core.exceptions import FullResultSet
+from django.db.models.expressions import OrderByList
+from django.utils.deprecation import RemovedInDjango61Warning
+
+
+class OrderableAggMixin:
+    # RemovedInDjango61Warning: When the deprecation ends, replace with:
+    # def __init__(self, *expressions, order_by=(), **extra):
+    def __init__(self, *expressions, ordering=(), order_by=(), **extra):
+        # RemovedInDjango61Warning.
+        if ordering:
+            warnings.warn(
+                "The ordering argument is deprecated. Use order_by instead.",
+                category=RemovedInDjango61Warning,
+                stacklevel=2,
+            )
+            if order_by:
+                raise TypeError("Cannot specify both order_by and ordering.")
+            order_by = ordering
+        if not order_by:
+            self.order_by = None
+        elif isinstance(order_by, (list, tuple)):
+            self.order_by = OrderByList(*order_by)
+        else:
+            self.order_by = OrderByList(order_by)
+        super().__init__(*expressions, **extra)
+
+    def resolve_expression(self, *args, **kwargs):
+        if self.order_by is not None:
+            self.order_by = self.order_by.resolve_expression(*args, **kwargs)
+        return super().resolve_expression(*args, **kwargs)
+
+    def get_source_expressions(self):
+        return super().get_source_expressions() + [self.order_by]
+
+    def set_source_expressions(self, exprs):
+        *exprs, self.order_by = exprs
+        return super().set_source_expressions(exprs)
+
+    def as_sql(self, compiler, connection):
+        *source_exprs, filtering_expr, order_by_expr = self.get_source_expressions()
+
+        order_by_sql = ""
+        order_by_params = []
+        if order_by_expr is not None:
+            order_by_sql, order_by_params = compiler.compile(order_by_expr)
+
+        filter_params = []
+        if filtering_expr is not None:
+            try:
+                _, filter_params = compiler.compile(filtering_expr)
+            except FullResultSet:
+                pass
+
+        source_params = []
+        for source_expr in source_exprs:
+            source_params += compiler.compile(source_expr)[1]
+
+        sql, _ = super().as_sql(compiler, connection, order_by=order_by_sql)
+        return sql, (*source_params, *order_by_params, *filter_params)

myenv/lib/python3.12/site-packages/django/contrib/postgres/aggregates/statistics.py

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+from django.db.models import Aggregate, FloatField, IntegerField
+
+__all__ = [
+    "CovarPop",
+    "Corr",
+    "RegrAvgX",
+    "RegrAvgY",
+    "RegrCount",
+    "RegrIntercept",
+    "RegrR2",
+    "RegrSlope",
+    "RegrSXX",
+    "RegrSXY",
+    "RegrSYY",
+    "StatAggregate",
+]
+
+
+class StatAggregate(Aggregate):
+    output_field = FloatField()
+
+    def __init__(self, y, x, output_field=None, filter=None, default=None):
+        if not x or not y:
+            raise ValueError("Both y and x must be provided.")
+        super().__init__(
+            y, x, output_field=output_field, filter=filter, default=default
+        )
+
+
+class Corr(StatAggregate):
+    function = "CORR"
+
+
+class CovarPop(StatAggregate):
+    def __init__(self, y, x, sample=False, filter=None, default=None):
+        self.function = "COVAR_SAMP" if sample else "COVAR_POP"
+        super().__init__(y, x, filter=filter, default=default)
+
+
+class RegrAvgX(StatAggregate):
+    function = "REGR_AVGX"
+
+
+class RegrAvgY(StatAggregate):
+    function = "REGR_AVGY"
+
+
+class RegrCount(StatAggregate):
+    function = "REGR_COUNT"
+    output_field = IntegerField()
+    empty_result_set_value = 0
+
+
+class RegrIntercept(StatAggregate):
+    function = "REGR_INTERCEPT"
+
+
+class RegrR2(StatAggregate):
+    function = "REGR_R2"
+
+
+class RegrSlope(StatAggregate):
+    function = "REGR_SLOPE"
+
+
+class RegrSXX(StatAggregate):
+    function = "REGR_SXX"
+
+
+class RegrSXY(StatAggregate):
+    function = "REGR_SXY"
+
+
+class RegrSYY(StatAggregate):
+    function = "REGR_SYY"