in Sources/SparkConnect/DataFrame.swift [202:209]
init(spark: SparkSession, sqlText: String, _ posArgs: [Sendable]? = nil) async throws {
self.spark = spark
if let posArgs {
self.plan = sqlText.toSparkConnectPlan(posArgs)
} else {
self.plan = sqlText.toSparkConnectPlan
}
}