Table Versions
# ID
# PARENT_ID
# TEXT
If parent_id == Null:
its ORIGINAL
if parent_id != Null:
it's REVISION
Is it possible to achieve this with polymorphic_identity?
It seems that polymorphic_identity doesn't support NULL and not NULL
__mapper_args__ = {
'polymorphic_identity':'original'
}
Goran Popovic
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