Remove 'annual_change' table

code/database/db_setup.py

@@ -33,7 +33,6 @@ class Glacier(db.Model):
     country = db.Column(db.String(60))
     name = db.Column(db.String(60))
     annual_data = db.relationship("Annual_Data")
-    annual_change = db.relationship("Annual_Change")
 
     def __init__(self, uid, country, name):
         self.uid = uid
@@ -56,20 +55,6 @@ class Annual_Data(db.Model):
         self.elevation = elevation
 
 
-class Annual_Change(db.Model):
-    __tablename__ = "annual_change"
-    year = db.Column(db.Integer, db.ForeignKey("annual_data.year"), primary_key=True)
-    uid = db.Column(db.ForeignKey("glacier.uid"), primary_key=True)
-    surface_change = db.Column(db.Float)
-    length_change = db.Column(db.Float)
-    elevation_change = db.Column(db.Float)
-
-    def __init__(self, surface_change, length_change, elevation_change):
-        self.surface_change = surface_change
-        self.length_change = length_change
-        self.elevation_change = elevation_change
-
-
 class User(db.Model):
     uid = db.Column(db.Integer, primary_key=True)
     registration_date = db.Column(

code/database/export.py

@@ -16,7 +16,6 @@ def create_dataframes() -> DataFrame:
     files = {
         "glacier": "../data/glacier.csv",
         "annual_data": "../data/annual_data.csv",
-        "annual_change": "../data/annual_change.csv",
         "user": "../data/user.csv",
     }
     df_list = {}

code/database/parser.py

@@ -55,13 +55,11 @@ def create_databases(df):
     files = {
         "glacier": "../data/glacier.csv",
         "annual_data": "../data/annual_data.csv",
-        "annual_change": "../data/annual_change.csv",
         "user": "../data/user.csv",
     }
     dataframes = {
         "glacier": df[["POLITICAL_UNIT", "NAME", "WGMS_ID"]].drop_duplicates(),
         "annual_data": df[["WGMS_ID", "YEAR", "AREA", "MEDIAN_ELEVATION", "LENGTH"]],
-        "annual_change": df[["WGMS_ID", "YEAR"]],
         "user": DataFrame(user),
     }
     renamed_dfs = rename_fields(dataframes)