fix: add workflow run state for pipeline

api/alembic/versions/49a8fe6841e6_add_state_field_to_workflow_runs.py

@@ -0,0 +1,62 @@
+"""add_state_field_to_workflow_runs
+
+Revision ID: 49a8fe6841e6
+Revises: a188ff90e76f
+Create Date: 2025-12-10 17:34:31.232048
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = '49a8fe6841e6'
+down_revision: Union[str, None] = 'a188ff90e76f'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Create the workflow_run_state enum type
+    workflow_run_state_enum = sa.Enum(
+        'initialized', 'running', 'completed',
+        name='workflow_run_state'
+    )
+    workflow_run_state_enum.create(op.get_bind())
+    
+    # Add the state column to workflow_runs table (nullable first)
+    op.add_column(
+        'workflow_runs',
+        sa.Column(
+            'state',
+            sa.Enum('initialized', 'running', 'completed', name='workflow_run_state'),
+            nullable=True
+        )
+    )
+    
+    # Set appropriate state values for existing records
+    # Completed workflows should be marked as 'completed'
+    # Non-completed workflows should be marked as 'initialized'
+    op.execute("""
+        UPDATE workflow_runs 
+        SET state = CASE 
+            WHEN is_completed = true THEN 'completed'
+            ELSE 'initialized'
+        END
+    """)
+    
+    # Now make the column non-nullable with 'initialized' as default for new records
+    op.alter_column(
+        'workflow_runs',
+        'state',
+        nullable=False,
+        server_default='initialized'
+    )
+
+
+def downgrade() -> None:
+    # Drop the state column
+    op.drop_column('workflow_runs', 'state')
+    
+    # Drop the enum type
+    sa.Enum(name='workflow_run_state').drop(op.get_bind())