Graph don't display mysql count number

SQL: select UNIX_TIMESTAMP(now()) as time_sec, count(1) as value, ‘总数’ as metric from b_summary_bills;

there are data displayed when mouse move to panel, just no draws.

It looks like you only have one data point. You need two points to draw a line. Choose Points as Draw Mode instead.


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Thanks! I had add group by keyword then it worked