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Implement tracking changes of individual database object values

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XANTRONIX Development 2024-12-04 14:35:46 -05:00
parent 5920b8e6c2
commit 16ac4906d0
1 changed files with 20 additions and 1 deletions
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21
lib/nntp/tiny/db.py
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@ -7,7 +7,24 @@ class DatabaseOrder(enum.Enum):
DESC = 2 DESC = 2
class DatabaseTable(): class DatabaseTable():
pass __slots__ = '__dirty__', '__dirty_columns__',
def __init__(self):
object.__setattr__(self, '__dirty__', False)
object.__setattr__(self, '__dirty_columns__', dict())
def __reset__(self):
object.__setattr__(self, '__dirty__', False)
object.__setattr__(self, '__dirty_columns__', {k: 0 for k in self.columns})
def __setattr__(self, k, v):
object.__setattr__(self, k, v)
values = object.__getattribute__(self, '__dirty_columns__')
if k in values:
object.__setattr__(self, '__dirty__', True)
values[k] += 1
class DatabaseTableCursor(): class DatabaseTableCursor():
__slots__ = 'cr', 'table', __slots__ = 'cr', 'table',
@ -33,6 +50,8 @@ class DatabaseTableCursor():
except IndexError: except IndexError:
setattr(obj, name, None) setattr(obj, name, None)
obj.__reset__()
return obj return obj
def fetchone(self): def fetchone(self):