create emailer version 1

env/Lib/site-packages/django/db/backends/oracle/functions.py

@@ -0,0 +1,26 @@
+from django.db.models import DecimalField, DurationField, Func
+
+
+class IntervalToSeconds(Func):
+    function = ""
+    template = """
+    EXTRACT(day from %(expressions)s) * 86400 +
+    EXTRACT(hour from %(expressions)s) * 3600 +
+    EXTRACT(minute from %(expressions)s) * 60 +
+    EXTRACT(second from %(expressions)s)
+    """
+
+    def __init__(self, expression, *, output_field=None, **extra):
+        super().__init__(
+            expression, output_field=output_field or DecimalField(), **extra
+        )
+
+
+class SecondsToInterval(Func):
+    function = "NUMTODSINTERVAL"
+    template = "%(function)s(%(expressions)s, 'SECOND')"
+
+    def __init__(self, expression, *, output_field=None, **extra):
+        super().__init__(
+            expression, output_field=output_field or DurationField(), **extra
+        )