chart problems - when using external database (Mysql)
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hi, everybody ; When I using the pie chart , I wanna using the data from local MYSQL database , And I have create a new “excute query ” by “DATABASE CONNERCTOR moulde . the problem is when I choose the data source , I select microflow as what I just create , but i can’t fill the Data point . it’s dark and can’t be edited . could you please tell me why ? and what’s the correct method to show external data by charts ? thanks .