摘要：
scala> spark.sql("set -v").show(1000,false) + + + + |key |value |meaning | + + + + |spark.sql.adaptive.enabled |false |When true, enable adaptive quer 阅读全文
摘要：
参见：官方文档 ORC File Format The ORC file format was introduced in Hive 0.11.0. See ORC Files for details. Besides the configuration properties listed in t 阅读全文