Avoid query error by adding initial instance to AlarmTrend (#1713)
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@ -18,8 +18,9 @@
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package org.apache.skywalking.oap.query.graphql.type;
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import java.util.ArrayList;
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import java.util.List;
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public class AlarmTrend {
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private List<Integer> numOfAlarm;
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private List<Integer> numOfAlarm = new ArrayList<>();
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}
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