bkyryliuk commented on a change in pull request #10605:
URL:
https://github.com/apache/incubator-superset/pull/10605#discussion_r476647323
##########
File path: superset/models/alerts.py
##########
@@ -100,3 +119,187 @@ class AlertLog(Model):
@property
def duration(self) -> int:
return (self.dttm_end - self.dttm_start).total_seconds()
+
+
+class Observer(Model):
+
+ __tablename__ = "alert_observers"
+
+ id = Column(Integer, primary_key=True)
+ name = Column(String(150), nullable=False)
+ observer_type = Column(Enum(AlertObserverType))
+ validation_type = Column(Enum(AlertValidationType))
+
+ @declared_attr
+ def alert_id(self) -> int:
+ return Column(Integer, ForeignKey("alerts.id"), nullable=False)
+
+ @declared_attr
+ def alert(self) -> RelationshipProperty:
+ return relationship(
+ "Alert",
+ foreign_keys=[self.alert_id],
+ backref=backref("alert_observers", cascade="all, delete-orphan"),
+ )
+
+ @declared_attr
+ def database_id(self) -> int:
+ return Column(Integer, ForeignKey("dbs.id"), nullable=False)
+
+ @declared_attr
+ def database(self) -> RelationshipProperty:
+ return relationship(
+ "Database",
+ foreign_keys=[self.database_id],
+ backref=backref("alert_observers", cascade="all, delete-orphan"),
+ )
+
+ __mapper_args__ = {
+ "polymorphic_identity": "base_observer",
Review comment:
for this use case let's keep it simple for now and unify into a single
SQLObserver
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