Global Dictionary is a MUST for bitmap count distinct; If not using GD,
each segment will have an individual dictionary, the result will be wrong
when merging across segments;

The GUI doesn't give warning on this, which is a bug; we need to enforce

Create a JIRA to track this:

2018-01-11 20:01 GMT+08:00 张 佑铖 <[EMAIL PROTECTED]>:

Best regards,

Shaofeng Shi 史少锋