align alembic

backend/alembic/versions/bd2921608c3a_non_nullable_default_persona.py

@@ -0,0 +1,43 @@
+"""non nullable default persona
+
+Revision ID: bd2921608c3a
+Revises: 797089dfb4d2
+Create Date: 2024-09-20 10:28:37.992042
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "bd2921608c3a"
+down_revision = "797089dfb4d2"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Set existing NULL values to False
+    op.execute(
+        "UPDATE persona SET is_default_persona = FALSE WHERE is_default_persona IS NULL"
+    )
+
+    # Alter the column to be not nullable with a default value of False
+    op.alter_column(
+        "persona",
+        "is_default_persona",
+        existing_type=sa.Boolean(),
+        nullable=False,
+        server_default=sa.text("false"),
+    )
+
+
+def downgrade() -> None:
+    # Revert the changes
+    op.alter_column(
+        "persona",
+        "is_default_persona",
+        existing_type=sa.Boolean(),
+        nullable=True,
+        server_default=None,
+    )