feat: add migration to add and remove retry_index field in workflow_node_executions

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/migrations/versions/2024_12_20_0628-e1944c35e15e_add_retry_index_field_to_node_execution_.py

@@ -0,0 +1,37 @@
+"""add retry_index field to node-execution model
+Revision ID: e1944c35e15e
+Revises: 11b07f66c737
+Create Date: 2024-12-20 06:28:30.287197
+"""
+from alembic import op
+import models as models
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'e1944c35e15e'
+down_revision = '11b07f66c737'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+
+    # We don't need these fields anymore, but this file is already merged into the main branch,
+    # so we need to keep this file for the sake of history, and this change will be reverted in the next migration.
+    # with op.batch_alter_table('workflow_node_executions', schema=None) as batch_op:
+    #     batch_op.add_column(sa.Column('retry_index', sa.Integer(), server_default=sa.text('0'), nullable=True))
+
+    pass
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    # with op.batch_alter_table('workflow_node_executions', schema=None) as batch_op:
+    #     batch_op.drop_column('retry_index')
+    pass
+
+    # ### end Alembic commands ###

api/migrations/versions/2024_12_23_1154-d7999dfa4aae_remove_workflow_node_executions_retry_.py

@@ -0,0 +1,34 @@
+"""remove workflow_node_executions.retry_index if exists
+
+Revision ID: d7999dfa4aae
+Revises: e1944c35e15e
+Create Date: 2024-12-23 11:54:15.344543
+
+"""
+from alembic import op
+import models as models
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+# revision identifiers, used by Alembic.
+revision = 'd7999dfa4aae'
+down_revision = 'e1944c35e15e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Check if column exists before attempting to remove it
+    conn = op.get_bind()
+    inspector = inspect(conn)
+    has_column = 'retry_index' in [col['name'] for col in inspector.get_columns('workflow_node_executions')]
+    
+    if has_column:
+        with op.batch_alter_table('workflow_node_executions', schema=None) as batch_op:
+            batch_op.drop_column('retry_index')
+
+
+def downgrade():
+    # No downgrade needed as we don't want to restore the column
+    pass