Add migration for SeaLion

alembic/versions/20250325_123049_86c19e66_create_sealion.py

@@ -0,0 +1,48 @@
+"""create sealions table
+
+Revision ID: 9876543210ab
+Revises: 
+Create Date: 2023-05-23 10:30:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import uuid
+
+# revision identifiers, used by Alembic
+revision = '9876543210ab'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'sealions',
+        sa.Column('id', sa.String, primary_key=True, default=lambda: str(uuid.uuid4())),
+        sa.Column('name', sa.String, nullable=False),
+        sa.Column('species', sa.String, nullable=False),
+        sa.Column('age', sa.Integer),
+        sa.Column('weight', sa.Float),
+        sa.Column('location', sa.String, index=True),
+        sa.Column('created_at', sa.DateTime, server_default=sa.func.now()),
+        sa.Column('updated_at', sa.DateTime, server_default=sa.func.now(), onupdate=sa.func.now())
+    )
+
+
+def downgrade():
+    op.drop_table('sealions')
+```
+
+This Alembic migration script creates a table named `sealions` with the following columns:
+
+- `id` (String, primary key, default value generated using `uuid.uuid4()`)
+- `name` (String, not nullable)
+- `species` (String, not nullable)
+- `age` (Integer)
+- `weight` (Float)
+- `location` (String, indexed)
+- `created_at` (DateTime, default value set to current timestamp)
+- `updated_at` (DateTime, default value set to current timestamp, updated on each row update)
+
+The `upgrade()` function creates the table, while the `downgrade()` function drops the table.