Update schema and alembic so we only have unique metric names

src/insight/alembic/versions/512d9168f6c2_add_metric_name_unique_constraint.py

@@ -0,0 +1,28 @@
+"""add_metric_name_unique_constraint
+
+Revision ID: 512d9168f6c2
+Revises: eaf7bb3598af
+Create Date: 2024-03-27 14:18:55.504729
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '512d9168f6c2'
+down_revision = 'eaf7bb3598af'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_unique_constraint(None, 'metric', ['name'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'metric', type_='unique')
+    # ### end Alembic commands ###

src/insight/database/schema.py

@@ -20,7 +20,7 @@ class Metric(Base):
     __tablename__ = "metric"
 
     id = mapped_column(INTEGER, primary_key=True)
-    name = mapped_column(VARCHAR(100), nullable=False)
+    name = mapped_column(VARCHAR(100), nullable=False, unique=True)
     category = mapped_column(VARCHAR(100))
     created_at = mapped_column(TIMESTAMP, default=func.now())