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aliyun / aliyun-odps-jdbc

JDBC Driver for ODPS
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[FEATURE] support explain statement #107

Open arjenzhou opened 3 years ago

arjenzhou commented 3 years ago

Is your feature request related to a problem? Please describe. when exectuing explain sql, throws java.sql.SQLException: create download session failed

comment in source:

* 在 Instance 上创建下载会话
   *
   * 非法情况:
   * 1. 非 SQlTask
   * 2. 非 select sql
   * 3. Task 非 Success 状态

Describe the solution you'd like support explain query.

xjr7670 commented 2 years ago

I had the same question. But it is not saying "create download session failed". just a logview URL after the "Warning" label, and then "explain executed successfully". Could not see the explain statement's result. I must open the logview URL with browser to see the result image