Qi Yu

1. Is the secondary engine Timu store full amount of data that lies in primary engine. As far as i know, Two engine means two copy of data, Storage cost...

maven 编译有问题吗？

需要编译一下工程，这个类是javacc生成的 zhangmeng0426 于2019年9月4日周三 上午11:24写道： > org.apache.calcite.sql.parser.impl.YuqiSqlParserImpl该类找不到 > > — > You are receiving this because you are subscribed to this thread. > Reply to this email directly, view it on...

这是`SqlRowOperator`的`unparse`的默认行为， 默认会将方法名`ROW`带进去， 在calcite中 value后面是一个Row方法， 如果不想输出， 可以覆写该方法

这个只是编码输出问题吧 [image: image.png] 如果是中文， 会走到if 分支，采用uncode编码。如果需要改变默认行为，直接override Yibo 于2019年11月13日周三 上午11:15写道： > 还有个问题请教下：关于中文字符串编码问题，代码如下： > > public static void main(String[] args) { > > String sql="select * from test_table where name = '王五'...

Please provide your local environment, It's Okay in my desktop and my local environment are as follows JDK: 1.8.0_151 Maven: 3.6.0 OS： MacOS Big Sur

OK, thanks for your kind suggestion Julian Hyde 于2020年7月29日周三 上午3:08写道： > Tweak the commit message: "In Elasticsearch adapter, aggregate function in > ORDER BY clause throws Exception". > > —...

As far as i know, it's ok that `null` is on the left or right , this depends on personal habit. Should I miss some point ? zhenw 于2020年7月28日周二 下午7:03写道：...

`Optional` is the result of stream not the entire method. Yes, you are right, `null` should be avoided in return clause, i will change the point, thanks zhenw 于2020年7月28日周二 下午7:04写道：...

> In Doris Version 1.2.7.1 > > In Doris Version 2.1.0 > > In the newest doris version, error code is returned as documents. [doris.apache.org/docs/admin-manual/maint-monitor/doris-error-code](https://doris.apache.org/docs/admin-manual/maint-monitor/doris-error-code) > > But we still...