#4209 Dashboard formula + percent. MySQL key efficiency dashboard.

Former-commit-id: 2d0a278f

plugins/org.jkiss.dbeaver.ext.mysql/plugin.xml

@@ -467,7 +467,7 @@
         </dashboard>
 
         <dashboard id="mysql.key_efficiency" mapQuery="mysql.query.status" label="Key Efficiency" defaultView="timeseries" group="Status" updatePeriod="1000"
-            calc="delta" value="integer" mapFormula="100 - ((map.key_reads * 100 / map.key_read_requests))" mapLabels="Key Efficiency" measure="%"
+            calc="value" value="percent" mapFormula="100 - ((map.key_reads * 100 / map.key_read_requests) / 3)" mapLabels="Key Efficiency" measure="%"
             showByDefault="true" description="Shows session grouped by command">
             <datasource id="mysql"/>
         </dashboard>

plugins/org.jkiss.dbeaver.ui.dashboard/src/org/jkiss/dbeaver/ui/dashboard/histogram/DashboardRendererTimeseries.java

@@ -124,12 +124,17 @@ public class DashboardRendererTimeseries extends DashboardRendererBase {
                     rangeAxis.setStandardTickUnits(new NumberTickUnitSource(false));
                     break;
                 case integer:
+                case percent:
                     rangeAxis.setStandardTickUnits(new NumberTickUnitSource(true));
                     break;
                 case bytes:
                     rangeAxis.setStandardTickUnits(new NumberTickUnitSource(true, new ByteNumberFormat()));
                     break;
             }
+            if (container.getDashboardValueType() == DashboardValueType.percent) {
+                rangeAxis.setLowerBound(0);
+                rangeAxis.setUpperBound(100);
+            }
             if (viewConfig != null && !viewConfig.isRangeTicksVisible()) {
                 rangeAxis.setVisible(false);
             }

plugins/org.jkiss.dbeaver.ui.dashboard/src/org/jkiss/dbeaver/ui/dashboard/model/DashboardCalcType.java

@@ -23,6 +23,5 @@ public enum DashboardCalcType {
 
     value,      // Absolute value
     delta,      // Delta between last two value / number of seconds between values obtain time.
-    percent,    // Percent
 
 }

plugins/org.jkiss.dbeaver.ui.dashboard/src/org/jkiss/dbeaver/ui/dashboard/model/DashboardValueType.java

@@ -23,6 +23,7 @@ public enum DashboardValueType {
 
     decimal,
     integer,
+    percent,
     bytes
 
 }