fix: slow sql of ops tracing (#5749)

api/migrations/versions/b2602e131636_add_workflow_run_id_index_for_message.py

@@ -0,0 +1,32 @@
+"""add workflow_run_id index for message
+
+Revision ID: b2602e131636
+Revises: 63f9175e515b
+Create Date: 2024-06-29 12:16:51.646346
+
+"""
+from alembic import op
+
+import models as models
+
+# revision identifiers, used by Alembic.
+revision = 'b2602e131636'
+down_revision = '63f9175e515b'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('messages', schema=None) as batch_op:
+        batch_op.create_index('message_workflow_run_id_idx', ['conversation_id', 'workflow_run_id'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('messages', schema=None) as batch_op:
+        batch_op.drop_index('message_workflow_run_id_idx')
+
+    # ### end Alembic commands ###