{
"summary": [{
"name": "node_transfer",
"title": "节点转移表",
"primary": ["id"],
"catelog": "relation"
}],
"fields": [
	{"name": "id", "title": "执行ID", "type": "str", "length": 32, "nullable": "no"},
	{"name": "instance_id", "title": "流程实例ID", "type": "str", "length": 32},
	{"name": "from_neid", "title": "从节点id", "type": "str", "length": 32},
	{"name": "to_neid", "title": "到节点id", "type": "str", "length": 32},
],
"indexes": [
{"name": "idx_node_exec_inst", "idxtype": "index", "idxfields": ["instance_id"]}
]
}