WebWarning. A Python value passed to Coalesce on MySQL may be converted to an incorrect type unless explicitly cast to the correct database type: >>> from django.db.models import DateTimeField >>> from django.db.models.functions import Cast, Coalesce >>> from django.utils import timezone >>> now = timezone.now() >>> Coalesce('updated', … WebEach function bears the same name as the type, and construct the type they correspond to in one of four ways: Capturing the current time. Composing the components of the type. Parsing a string representation of the temporal value. Selecting and composing components from another temporal value by.

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