IGinX 0.8.0 -- Virtual Env for Python Algos

• 支持以Conda虚拟运行环境下运行Python UDF
• 支持SQL操作符Not Like
• 支持SQL操作符Case When
• 支持SQL92的注释
• 内嵌文件存储引擎支持管理嵌套文件夹
• UDF支持表达式为参数
• 支持对 GROUP BY 和 ORDER BY 中的列使用 RowToRow 表达式
• 支持 GROUP BY 和 ORDER BY 中的列与 SELECT 子句中的别名进行匹配
• 增加了多个优化规则实现
• 增加 join using key 的语法
• 增加系统函数：extract
• 修改了数据源添加移除相关语法
• 增加了Transform作业的邮件提醒功能
• 允许Load Data in csv导入大文件

What's Changed

• feat(sql): add op "not like" by @jzl18thu in #415
• feat(antlr): support sql92 comment by @aqni in #434
• feat(core): sql support case when expression by @jzl18thu in #436
• feat: merge parquet and filesystem into one data source by @aqni in #413
• feat(filestore): support reading nested directory and various file by @aqni in #423
• feat(thrift): auto update pysession by @aqni in #443
• feat(filestore): reduce multi-threaded write conflicts for parquet by @aqni in #439
• feat(sql): func params support expression by @jzl18thu in #445
• refactor(dataSource): rename FileStore to FileSystem by @aqni in #451
• feat(sql): sql support const arithmetic expression by @jzl18thu in #447
• feat(sql): auto increment sequence & alter key by @jzl18thu in #458
• feat(optimizer): 规则组的实现 by @Yihao-Xu in #470
• feat(sql): GROUP BY expr && ORDER BY expr by @jzl18thu in #465
• feat(sql): support use func with expr params in filter by @jzl18thu in #473
• feat(Optimizer): In Filter Transform Rule by @Yihao-Xu in #359
• feat(Optimizer): 修复FragmentPruningByFilter卡住的问题 by @Yihao-Xu in #481
• feat(sql): join by key & extract & add dummy test by @jzl18thu in #488
• refactor(core): rename sql 'remove historydatasource' to 'remove storageengine' by @shinyano in #505
• feat(transform): email notification configured by YAML by @aqni in #535
• feat(transform): some new features and improve by @shinyano in #542
• feat(core): add option to remove RemoveNullColumn operator by @aqni in #536
• feat(core): "LOAD DATA" support large csv & adjust "ADD STORAGEENGINE" extra params by @jzl18thu in #555

Full Changelog: v0.7.2...v0.8.0