Fix legacy data: projects must be child of a user node

alembic/versions/4e5952eb6d61_quick_fix_projects_must_be_child_of_a_.py

+"""Fix legacy data: projects must be child of a user node
+
+Revision ID: 4e5952eb6d61
+Revises: d77f0a598ad0
+Create Date: 2018-01-24 15:40:29.318179
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import gargantext
+
+
+# revision identifiers, used by Alembic.
+revision = '4e5952eb6d61'
+down_revision = 'd77f0a598ad0'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.execute("""UPDATE nodes p SET parent_id = u.id FROM nodes u
+        WHERE u.typename=1 AND p.typename=2 AND p.parent_id IS NULL AND
+            u.user_id=p.user_id""")
+
+
+def downgrade():
+    pass