Rename spectrum to access_url; closes SIMPLE-AstroDB#477

scripts/updates/update_spectra_colnames.py

@@ -0,0 +1,22 @@
+"""Script to update a column name in the database"""
+
+import sqlalchemy as sa
+from astrodb_utils import load_astrodb
+from simple.schema import REFERENCE_TABLES
+
+# Establish connection to database
+db = load_astrodb("SIMPLE.sqlite", recreatedb=True, reference_tables=REFERENCE_TABLES)
+
+# Perform column rename
+with db.engine.connect() as conn:
+    conn.execute(sa.text('ALTER TABLE Spectra RENAME COLUMN spectrum TO access_url;'))
+    conn.commit()
+
+# Reflect table changes, because of the ALTER commands
+db = load_astrodb('SIMPLE.sqlite', recreatedb=False, reference_tables=REFERENCE_TABLES)
+
+# Inspect change
+db.query(db.Spectra).limit(10).table()
+
+# Save changes
+db.save_database('data/')

simple/schema.py

@@ -326,7 +326,7 @@ class Spectra(Base):
         primary_key=True,
     )
     # Data
-    spectrum = Column(String(1000), nullable=False)  # URL of spectrum location
+    access_url = Column(String(1000), nullable=False)  # URL of spectrum location
     original_spectrum = Column(
         String(1000)
     )  # URL of original spectrum location, if applicable