Got basic webpage working. Need to make base page, static folders

flex/lib/python3.6/site-packages/django/contrib/postgres/aggregates/general.py

@@ -0,0 +1,59 @@
+from django.contrib.postgres.fields import JSONField
+from django.db.models.aggregates import Aggregate
+
+__all__ = [
+    'ArrayAgg', 'BitAnd', 'BitOr', 'BoolAnd', 'BoolOr', 'JSONBAgg', 'StringAgg',
+]
+
+
+class ArrayAgg(Aggregate):
+    function = 'ARRAY_AGG'
+    template = '%(function)s(%(distinct)s%(expressions)s)'
+
+    def __init__(self, expression, distinct=False, **extra):
+        super().__init__(expression, distinct='DISTINCT ' if distinct else '', **extra)
+
+    def convert_value(self, value, expression, connection):
+        if not value:
+            return []
+        return value
+
+
+class BitAnd(Aggregate):
+    function = 'BIT_AND'
+
+
+class BitOr(Aggregate):
+    function = 'BIT_OR'
+
+
+class BoolAnd(Aggregate):
+    function = 'BOOL_AND'
+
+
+class BoolOr(Aggregate):
+    function = 'BOOL_OR'
+
+
+class JSONBAgg(Aggregate):
+    function = 'JSONB_AGG'
+    output_field = JSONField()
+
+    def convert_value(self, value, expression, connection):
+        if not value:
+            return []
+        return value
+
+
+class StringAgg(Aggregate):
+    function = 'STRING_AGG'
+    template = "%(function)s(%(distinct)s%(expressions)s, '%(delimiter)s')"
+
+    def __init__(self, expression, delimiter, distinct=False, **extra):
+        distinct = 'DISTINCT ' if distinct else ''
+        super().__init__(expression, delimiter=delimiter, distinct=distinct, **extra)
+
+    def convert_value(self, value, expression, connection):
+        if not value:
+            return ''
+        return value