feat(influxdb): added all functions

public/app/plugins/datasource/influxdb/influx_query.ts

@@ -85,6 +85,9 @@ class InfluxQuery {
           if (partModel.def.category === categories.Aggregations) {
             return false;
           }
+          if (partModel.def.category === categories.Selectors) {
+            return false;
+          }
           return true;
         });
       });

public/app/plugins/datasource/influxdb/query_part.ts

@@ -5,6 +5,7 @@ import _ = require('lodash');
 var index = [];
 var categories = {
   Aggregations: [],
+  Selectors: [],
   Transformations: [],
   Math: [],
   Aliasing: [],
@@ -91,6 +92,10 @@ function replaceAggregationAddStrategy(selectParts, partModel) {
       selectParts[i] = partModel;
       return;
     }
+    if (part.def.category === categories.Selectors) {
+      selectParts[i] = partModel;
+      return;
+    }
   }
 
   selectParts.splice(1, 0, partModel);
@@ -161,6 +166,34 @@ QueryPartDef.register({
   renderer: fieldRenderer,
 });
 
+// Aggregations
+QueryPartDef.register({
+  type: 'count',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Aggregations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'distinct',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Aggregations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'integral',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Aggregations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
 QueryPartDef.register({
   type: 'mean',
   addStrategy: replaceAggregationAddStrategy,
@@ -171,6 +204,15 @@ QueryPartDef.register({
 });
 
 QueryPartDef.register({
+  type: 'median',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Aggregations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
   type: 'sum',
   addStrategy: replaceAggregationAddStrategy,
   category: categories.Aggregations,
@@ -179,6 +221,8 @@ QueryPartDef.register({
   renderer: functionRenderer,
 });
 
+// transformations
+
 QueryPartDef.register({
   type: 'derivative',
   addStrategy: addTransformationStrategy,
@@ -189,6 +233,24 @@ QueryPartDef.register({
 });
 
 QueryPartDef.register({
+  type: 'non_negative_derivative',
+  addStrategy: addTransformationStrategy,
+  category: categories.Transformations,
+  params: [{ name: "duration", type: "interval", options: ['1s', '10s', '1m', '5min', '10m', '15m', '1h']}],
+  defaultParams: ['10s'],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'stddev',
+  addStrategy: addTransformationStrategy,
+  category: categories.Transformations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
   type: 'time',
   category: groupByTimeFunctions,
   params: [{ name: "interval", type: "time", options: ['auto', '1s', '10s', '1m', '5m', '10m', '15m', '1h'] }],
@@ -204,6 +266,70 @@ QueryPartDef.register({
   renderer: functionRenderer,
 });
 
+// Selectors
+QueryPartDef.register({
+  type: 'bottom',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [{name: 'count', type: 'int'}],
+  defaultParams: [3],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'first',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'last',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'max',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'min',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'percentile',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [{name: 'nth', type: 'int'}],
+  defaultParams: [95],
+  renderer: functionRenderer,
+});
+
+QueryPartDef.register({
+  type: 'top',
+  addStrategy: replaceAggregationAddStrategy,
+  category: categories.Selectors,
+  params: [{name: 'count', type: 'int'}],
+  defaultParams: [3],
+  renderer: functionRenderer,
+});
+
 QueryPartDef.register({
   type: 'tag',
   category: groupByTimeFunctions,