{
"summary": [{
"name": "node_execution",
"title": "节点执行记录",
"primary": "id",
"catelog": "relation"
}],
"fields": [
	{"name": "id", "title": "执行ID", "type": "str", "length": 32, "nullable": "no"},
	{"name": "type", "title": "节点类型", "type": "str", "length": 32},
	{"name": "inst_round", "title": "执行论次", "type": "short"},
	{"name": "org_id", "title": "机构id", "type": "str", "length": 32},
	{"name": "instance_id", "title": "流程实例ID", "type": "str", "length": 32},
	{"name": "node_id", "title": "节点ID", "type": "str", "length": 64},
	{"name": "input_ctx", "title": "输入上下文", "type": "text"},
	{"name": "output_ctx", "title": "输出上下文", "type": "text"},
	{"name": "ctx", "title": "执行时上下文", "type": "text"},
	{"name": "ctx_ext", "title": "执行时附加上下文", "type": "text"},
	{"name": "status", "title": "状态", "type": "str", "length": 16},
	{"name": "error", "title": "错误信息", "type": "text"},
	{"name": "input", "title": "执行实际输入", "type": "text"},
	{"name": "output", "title": "执行实际输出", "type": "text"},
	{"name": "subinst_id", "title": "子流程实例id", "type": "str", "length": 32},
	{"name": "role", "title": "执行人角色", "type": "str", "length": 64},
	{"name": "assignee", "title": "执行人id", "type": "str", "length": 64},
	{"name": "running_at", "title": "执行时点", "type": "timestamp"},
	{"name": "stopping_at", "title": "结束时点", "type": "timestamp"},
	{"name": "created_at", "title": "执行时间", "type": "timestamp"}
],
"indexes": [
{"name": "idx_node_exec_inst", "idxtype": "index", "idxfields": ["instance_id"]}
]
}