要显示Decisiongaph组件的图形,将Decisionquery的active属性设为true,
在sql属性里面写下如下的语句:select real_speed,avg(real_speed) from real
group by real_speed
order by real_speed将Decisionquery的active属性设为true时就出错,
错误为:
the dimension types for this dataset cannot be determined automatically.
you must map the fields to demesions or summaries with the decision cube
editor.
在sql属性里面写下如下的语句:select real_speed,avg(real_speed) from real
group by real_speed
order by real_speed将Decisionquery的active属性设为true时就出错,
错误为:
the dimension types for this dataset cannot be determined automatically.
you must map the fields to demesions or summaries with the decision cube
editor.
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