truncate tables before changing

Author: tom0827

epictrack-api/migrations/versions/2257493941e7_rename_work_columns.py

@@ -17,6 +17,8 @@
 
 
 def upgrade():
+    op.execute("TRUNCATE works CASCADE")
+    op.execute("TRUNCATE works_history CASCADE")
     with op.batch_alter_table('works', schema=None) as batch_op:
         batch_op.alter_column('short_description', new_column_name='report_description')
         batch_op.alter_column('long_description', new_column_name='epic_description')

epictrack-api/migrations/versions/eed10a65e3c3_make_columns_not_nullable.py

@@ -18,6 +18,8 @@
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
+    op.execute("TRUNCATE works CASCADE")
+    op.execute("TRUNCATE works_history CASCADE")
     with op.batch_alter_table('works', schema=None) as batch_op:
         batch_op.alter_column('eao_team_id',
                existing_type=sa.INTEGER(),