start-pack

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

@@ -0,0 +1,65 @@
+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)