does ESSQL support this syntax like（select c1,c2,count(*) from index1 group by c1,c2）in elasticsearch6.3
In 6.3, only a single GROUP BY can be used. That limitation has been addressed though and should be released soon.
does ESSQL support this syntax like（select c1,c2,count(*) from index1 group by c1,c2）in elasticsearch6.3
In 6.3, only a single GROUP BY can be used. That limitation has been addressed though and should be released soon.
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