{
	"delete_UsePutV": true,
	"table_type": "split_year",
	"split_column": "data_time",
	"Columns": [
		{
			"Name": "building",
			"Type": "String(20)"
		},
		{
			"Name": "objectSign",
			"Type": "String(50)"
		},
		{
			"Name": "data_time",
			"Type": "String(20)"
		},
		{
			"Name": "data_value",
			"Type": "Double"
		}
	],
	"Key": [
		"building",
		"objectSign",
		"data_time"
	],
	"Indexes": [
		{
			"Name": "index_1",
			"Columns": [
				"building",
				"data_time",
				"objectSign"
			]
		}
	]
}