Thank for your reply. It is a indirect way to get columnName.
Calcite can not return the real columnName from SQL, is it right? Juan Pan panj...@apache.org Juan Pan(Trista), Apache ShardingSphere On 09/29/2019 12:21,XING JIN<jinxing.co...@gmail.com> wrote: You can try to give an alias for the selected column. Juan Pan <panj...@apache.org> 于2019年9月29日周日 上午11:39写道: Hi everyone, I executed SQL `select count(*) from tb1` through Calcite and resultSet.getMetaData().getColumnName(i) in my project. But the result is `EXPR$0` not `COUNT(*)`. Is there any way to get real columnName? Thanks for your attention. Regard, Trista Juan Pan panj...@apache.org Juan Pan(Trista), Apache ShardingSphere