Add migration for index on workflow_request_step_states__workflow_invocation_id

lib/galaxy/model/migrations/alembic/versions_gxy/3a2914d703ca_add_index_wf_r_s_s__workflow_invocation_.py

@@ -0,0 +1,32 @@
+"""add index workflow_request_step_states__workflow_invocation_id
+
+Revision ID: 3a2914d703ca
+Revises: c39f1de47a04
+Create Date: 2023-03-07 15:06:55.682273
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+from galaxy.model.migrations.util import (
+    create_index,
+    drop_index,
+)
+
+# revision identifiers, used by Alembic.
+revision = "3a2914d703ca"
+down_revision = "c39f1de47a04"
+branch_labels = None
+depends_on = None
+
+table_name = "workflow_request_step_states"
+columns = ["workflow_invocation_id"]
+index_name = "ix_workflow_request_step_states_workflow_invocation_id"
+
+
+def upgrade():
+    create_index(index_name, table_name, columns)
+
+
+def downgrade():
+    drop_index(index_name, table_name, columns)