val config =
NebulaConnectionConfig
.builder()
.withMetaAddress(“127.0.0.1:9559”)
.withTimeout(6000)
.withConenctionRetry(2)
.build()
val nebulaReadEdgeConfig: ReadNebulaConfig = ReadNebulaConfig
.builder()
.withSpace(“test”)
.withLabel(“knows”)
.withNoColumn(true)
.withLimit(2000)
.withPartitionNum(100)
.build()
val df: DataFrame = spark.read.nebula(config, nebulaReadEdgeConfig).loadEdgesToDF()
请问这个里面如何填写 数据库的账号和密码?