Add migration for content_hash field

alembic/versions/a192a8d3282c_add_content_hash.py

@@ -0,0 +1,27 @@
+"""
+Add content_hash field to messages model
+
+Revision ID: a192a8d3282c
+Revises: 01b101590e74
+Create Date: 2024-09-10 16:32:46.593911
+
+"""
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "a192a8d3282c"
+down_revision = "01b101590e74"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    """Apply the current migration."""
+    op.add_column("messages", sa.Column("content_hash", sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    """Revert the current migration."""
+    op.drop_column("messages", "content_hash")