WIP: backup

datapool/instance/db_objects.py

@@ -54,6 +54,21 @@ class SignalSignalQualityAssociation(Base):
     signal_quality = relationship("SignalQualityDbo", back_populates="signals")
 
 
+class Signal2dDbo(Base):
+    """(formerly known as fact table)
+    Contains the measured value of a given parameter taken a at a specific time, site
+    """
+
+    __tablename__ = "signal_2d"
+
+    signal_2d_id = Column(Integer(), primary_key=True)
+    x = Column(Float(), nullable=False)
+    y = Column(Float(), nullable=True)
+    value = Column(Float(), nullable=False)
+
+    signal_id = Column(ForeignKey("signal.signal_id"), nullable=True)
+
+
 class SignalDbo(Base):
     """(formerly known as fact table)
     Contains the measured value of a given parameter taken a at a specific time, site
@@ -77,6 +92,8 @@ class SignalDbo(Base):
     source = relationship("SourceDbo")
     parameter = relationship("ParameterDbo")
 
+    signal_2d = relationship("Signal2dDbo")
+
     comments = relationship(
         "SignalCommentAssociation",
         back_populates="signal",
@@ -95,14 +112,16 @@ class SignalDbo(Base):
             "coord_z",
             "site_id",
             "parameter_id",
-            "source_id",
+            "source_id", 
+            "signal_2d_id",
         ),
     )
 
     def __str__(self):
         return (
             "<SourceDbo signal_id={signal_id}, parameter_id={parameter_id}, "
-            "value={value}, timestamp={timestamp}, site={site_id}>"
+            "value={value}, timestamp={timestamp}, site={site_id}, "
+            "signal_2d_id={signal_2d_id}>"
         ).format(**vars(self))
 
     def resolved_columns(self):