Zhexuan Yang
Zhexuan Yang
I am a spaceamcs user. I installed java layer recently. But I can not get eclim work. I installed eclipse via home-brew.
Description ----------- Small paragraph to describe the issue/bug. I am not sure why this happens. I googled and nothing useful found. Steps to reproduce ------------------ remove init.zsh* from antigen home...
``` select tp_int + 999+1 from full_data_type_table group by tp_int + 999 order by 1 ``` For above query, the explain info is the following. ``` == Physical Plan ==...
For now, expression in tikv-java-client can not evaluate any value, e.g. `And(true, false)` will not be able to return false. After this issue, the expression framework can do such thing.
https://github.com/pingcap/tispark/blob/e32fa0e57b6bd65ef13bffb3105a1dd09ce675ab/core/src/main/scala/org/apache/spark/sql/TiStrategy.scala#L374 ``` if (AttributeSet(projectList.map(_.toAttribute)) == projectSet && filterSet.subsetOf(projectSet)) { ``` can be avoided if we eliminate alias in `projectList`.
https://github.com/pingcap/tispark/blob/e32fa0e57b6bd65ef13bffb3105a1dd09ce675ab/core/src/main/scala/org/apache/spark/sql/TiStrategy.scala#L56 Too many hacks here since we hack the planning but we don't have full control over the planning stage. We cannot pass context around during planning so a re-extract...
In total, we have three cases: 1. default value not null 2. default value, null 3. not default value, not null For the first case, we need to fill row...
We need support column mapping during batch write.