Merge pull request #12679 from svenklemm/postgres-metric-prefix

Use metric column as prefix when returning multiple value columns

devenv/dev-dashboards/datasource_tests_mssql_unittest.json

@@ -64,7 +64,7 @@
   "editable": true,
   "gnetId": null,
   "graphTooltip": 0,
-  "iteration": 1532618879985,
+  "iteration": 1532949769359,
   "links": [],
   "panels": [
     {
@@ -871,14 +871,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  measurement + ' - value one' as metric, \n  avg(valueOne) as valueOne\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  ($metric = 'ALL' OR measurement = $metric)\nGROUP BY \n  $__timeGroup(time, '$summarize'), \n  measurement \nORDER BY 1",
+          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  measurement as metric, \n  avg(valueOne) as valueOne,\n  avg(valueTwo) as valueTwo\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  ($metric = 'ALL' OR measurement = $metric)\nGROUP BY \n  $__timeGroup(time, '$summarize'), \n  measurement \nORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  measurement + ' - value two' as metric, \n  avg(valueTwo) as valueTwo \nFROM\n  metric_values\nWHERE\n  $__timeFilter(time) AND\n  ($metric = 'ALL' OR measurement = $metric)\nGROUP BY \n  $__timeGroup(time, '$summarize'), \n  measurement \nORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1067,14 +1061,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1245,14 +1233,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1423,14 +1405,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1773,14 +1749,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1954,14 +1924,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2135,14 +2099,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2316,14 +2274,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value one' as metric, valueOne FROM metric_values\nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement + ' - value two' as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND ($metric = 'ALL' OR measurement = $metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2460,7 +2412,10 @@
   "refresh": false,
   "schemaVersion": 16,
   "style": "dark",
-  "tags": ["gdev", "mssql"],
+  "tags": [
+    "gdev",
+    "mssql"
+  ],
   "templating": {
     "list": [
       {
@@ -2587,5 +2542,5 @@
   "timezone": "",
   "title": "Datasource tests - MSSQL (unit test)",
   "uid": "GlAqcPgmz",
-  "version": 58
+  "version": 3
 }

devenv/dev-dashboards/datasource_tests_mysql_unittest.json

@@ -64,7 +64,7 @@
   "editable": true,
   "gnetId": null,
   "graphTooltip": 0,
-  "iteration": 1532620354037,
+  "iteration": 1532949531280,
   "links": [],
   "panels": [
     {
@@ -871,14 +871,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  CONCAT(measurement, ' - value one') as metric, \n  avg(valueOne) as valueOne\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  measurement IN($metric)\nGROUP BY 1, 2\nORDER BY 1",
+          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  measurement as metric, \n  avg(valueOne) as valueOne,\n  avg(valueTwo) as valueTwo\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  measurement IN($metric)\nGROUP BY 1, 2\nORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize') as time, \n  CONCAT(measurement, ' - value two') as metric, \n  avg(valueTwo) as valueTwo \nFROM\n  metric_values\nWHERE\n  $__timeFilter(time) AND\n  measurement IN($metric)\nGROUP BY 1,2\nORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1061,14 +1055,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1239,14 +1227,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1417,14 +1399,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__time(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1593,14 +1569,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1774,14 +1744,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1955,14 +1919,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2136,14 +2094,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value one') as metric, valueOne FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
+          "rawSql": "SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values WHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), CONCAT(measurement, ' - value two') as metric, valueTwo FROM metric_values \nWHERE $__timeFilter(time) AND measurement IN($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2280,7 +2232,10 @@
   "refresh": false,
   "schemaVersion": 16,
   "style": "dark",
-  "tags": ["gdev", "mysql"],
+  "tags": [
+    "gdev",
+    "mysql"
+  ],
   "templating": {
     "list": [
       {
@@ -2405,5 +2360,5 @@
   "timezone": "",
   "title": "Datasource tests - MySQL (unittest)",
   "uid": "Hmf8FDkmz",
-  "version": 12
+  "version": 1
 }

devenv/dev-dashboards/datasource_tests_postgres_unittest.json

@@ -64,7 +64,7 @@
   "editable": true,
   "gnetId": null,
   "graphTooltip": 0,
-  "iteration": 1532619575136,
+  "iteration": 1532951521836,
   "links": [],
   "panels": [
     {
@@ -871,14 +871,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize'), \n  measurement || ' - value one' as metric, \n  avg(\"valueOne\") as \"valueOne\"\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  measurement in($metric)\nGROUP BY 1, 2\nORDER BY 1",
+          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize'), \n  measurement, \n  avg(\"valueOne\") as \"valueOne\",\n  avg(\"valueTwo\") as \"valueTwo\"\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  measurement in($metric)\nGROUP BY 1, 2\nORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT \n  $__timeGroup(time, '$summarize'), \n  measurement || ' - value two' as metric, \n  avg(\"valueTwo\") as \"valueTwo\"\nFROM\n  metric_values \nWHERE\n  $__timeFilter(time) AND\n  measurement in($metric)\nGROUP BY 1, 2\nORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1049,14 +1043,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1227,14 +1215,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1405,14 +1387,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1581,14 +1557,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1762,14 +1732,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -1943,14 +1907,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2124,14 +2082,8 @@
         {
           "alias": "",
           "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value one' as metric, \"valueOne\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
+          "rawSql": "SELECT $__timeEpoch(time), measurement, \"valueOne\", \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
           "refId": "A"
-        },
-        {
-          "alias": "",
-          "format": "time_series",
-          "rawSql": "SELECT $__timeEpoch(time), measurement || ' - value two' as metric, \"valueTwo\" FROM metric_values \nWHERE $__timeFilter(time) AND measurement in($metric) ORDER BY 1",
-          "refId": "B"
         }
       ],
       "thresholds": [],
@@ -2268,7 +2220,10 @@
   "refresh": false,
   "schemaVersion": 16,
   "style": "dark",
-  "tags": ["gdev", "postgres"],
+  "tags": [
+    "gdev",
+    "postgres"
+  ],
   "templating": {
     "list": [
       {
@@ -2397,5 +2352,5 @@
   "timezone": "",
   "title": "Datasource tests - Postgres (unittest)",
   "uid": "vHQdlVziz",
-  "version": 17
+  "version": 1
 }

docs/sources/features/datasources/mssql.md

@@ -148,7 +148,8 @@ The resulting table panel:
 
 ## Time series queries
 
-If you set `Format as` to `Time series`, for use in Graph panel for example, then the query must must have a column named `time` that returns either a sql datetime or any numeric datatype representing unix epoch in seconds. You may return a column named `metric` that is used as metric name for the value column. Any column except `time` and `metric` is treated as a value column. If you omit the `metric` column, tha name of the value column will be the metric name. You may select multiple value columns, each will have its name as metric.
+If you set `Format as` to `Time series`, for use in Graph panel for example, then the query must must have a column named `time` that returns either a sql datetime or any numeric datatype representing unix epoch in seconds. You may return a column named `metric` that is used as metric name for the value column. Any column except `time` and `metric` is treated as a value column. If you omit the `metric` column, the name of the value column will be the metric name. You may select multiple value columns, each will have its name as metric.
+If you return multiple value columns and a column named `metric` then this column is used as prefix for the series name (only available in Grafana 5.3+).
 
 **Example database table:**
 

docs/sources/features/datasources/mysql.md

@@ -104,6 +104,7 @@ The resulting table panel:
 If you set `Format as` to `Time series`, for use in Graph panel for example, then the query must return a column named `time` that returns either a sql datetime or any numeric datatype representing unix epoch.
 Any column except `time` and `metric` is treated as a value column.
 You may return a column named `metric` that is used as metric name for the value column.
+If you return multiple value columns and a column named `metric` then this column is used as prefix for the series name (only available in Grafana 5.3+).
 
 **Example with `metric` column:**
 

docs/sources/features/datasources/postgres.md

@@ -102,6 +102,7 @@ The resulting table panel:
 If you set `Format as` to `Time series`, for use in Graph panel for example, then the query must return a column named `time` that returns either a sql datetime or any numeric datatype representing unix epoch.
 Any column except `time` and `metric` is treated as a value column.
 You may return a column named `metric` that is used as metric name for the value column.
+If you return multiple value columns and a column named `metric` then this column is used as prefix for the series name (only available in Grafana 5.3+).
 
 **Example with `metric` column:**
 

pkg/tsdb/mssql/mssql_test.go

@@ -610,6 +610,31 @@ func TestMSSQL(t *testing.T) {
 				So(queryResult.Series[1].Name, ShouldEqual, "valueTwo")
 			})
 
+			Convey("When doing a metric query with metric column and multiple value columns", func() {
+				query := &tsdb.TsdbQuery{
+					Queries: []*tsdb.Query{
+						{
+							Model: simplejson.NewFromAny(map[string]interface{}{
+								"rawSql": "SELECT $__timeEpoch(time), measurement, valueOne, valueTwo FROM metric_values ORDER BY 1",
+								"format": "time_series",
+							}),
+							RefId: "A",
+						},
+					},
+				}
+
+				resp, err := endpoint.Query(nil, nil, query)
+				So(err, ShouldBeNil)
+				queryResult := resp.Results["A"]
+				So(queryResult.Error, ShouldBeNil)
+
+				So(len(queryResult.Series), ShouldEqual, 4)
+				So(queryResult.Series[0].Name, ShouldEqual, "Metric A valueOne")
+				So(queryResult.Series[1].Name, ShouldEqual, "Metric A valueTwo")
+				So(queryResult.Series[2].Name, ShouldEqual, "Metric B valueOne")
+				So(queryResult.Series[3].Name, ShouldEqual, "Metric B valueTwo")
+			})
+
 			Convey("Given a stored procedure that takes @from and @to in epoch time", func() {
 				sql := `
 						IF object_id('sp_test_epoch') IS NOT NULL
@@ -635,21 +660,9 @@ func TestMSSQL(t *testing.T) {
 
 							SELECT
 								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval as time,
-								measurement + ' - value one' as metric,
-								avg(valueOne) as value
-							FROM
-								metric_values
-							WHERE
-								time BETWEEN DATEADD(s, @from, '1970-01-01') AND DATEADD(s, @to, '1970-01-01') AND
-								(@metric = 'ALL' OR measurement = @metric)
-							GROUP BY
-								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval,
-								measurement
-							UNION ALL
-							SELECT
-								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval as time,
-								measurement + ' - value two' as metric,
-								avg(valueTwo) as value
+								measurement as metric,
+								avg(valueOne) as valueOne,
+								avg(valueTwo) as valueTwo
 							FROM
 								metric_values
 							WHERE
@@ -692,10 +705,10 @@ func TestMSSQL(t *testing.T) {
 					So(queryResult.Error, ShouldBeNil)
 
 					So(len(queryResult.Series), ShouldEqual, 4)
-					So(queryResult.Series[0].Name, ShouldEqual, "Metric A - value one")
-					So(queryResult.Series[1].Name, ShouldEqual, "Metric B - value one")
-					So(queryResult.Series[2].Name, ShouldEqual, "Metric A - value two")
-					So(queryResult.Series[3].Name, ShouldEqual, "Metric B - value two")
+					So(queryResult.Series[0].Name, ShouldEqual, "Metric A valueOne")
+					So(queryResult.Series[1].Name, ShouldEqual, "Metric A valueTwo")
+					So(queryResult.Series[2].Name, ShouldEqual, "Metric B valueOne")
+					So(queryResult.Series[3].Name, ShouldEqual, "Metric B valueTwo")
 				})
 			})
 
@@ -724,21 +737,9 @@ func TestMSSQL(t *testing.T) {
 
 							SELECT
 								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval as time,
-								measurement + ' - value one' as metric,
-								avg(valueOne) as value
-							FROM
-								metric_values
-							WHERE
-								time BETWEEN @from AND @to AND
-								(@metric = 'ALL' OR measurement = @metric)
-							GROUP BY
-								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval,
-								measurement
-							UNION ALL
-							SELECT
-								CAST(ROUND(DATEDIFF(second, '1970-01-01', time)/CAST(@dInterval as float), 0) as bigint)*@dInterval as time,
-								measurement + ' - value two' as metric,
-								avg(valueTwo) as value
+								measurement as metric,
+								avg(valueOne) as valueOne,
+								avg(valueTwo) as valueTwo
 							FROM
 								metric_values
 							WHERE
@@ -781,10 +782,10 @@ func TestMSSQL(t *testing.T) {
 					So(queryResult.Error, ShouldBeNil)
 
 					So(len(queryResult.Series), ShouldEqual, 4)
-					So(queryResult.Series[0].Name, ShouldEqual, "Metric A - value one")
-					So(queryResult.Series[1].Name, ShouldEqual, "Metric B - value one")
-					So(queryResult.Series[2].Name, ShouldEqual, "Metric A - value two")
-					So(queryResult.Series[3].Name, ShouldEqual, "Metric B - value two")
+					So(queryResult.Series[0].Name, ShouldEqual, "Metric A valueOne")
+					So(queryResult.Series[1].Name, ShouldEqual, "Metric A valueTwo")
+					So(queryResult.Series[2].Name, ShouldEqual, "Metric B valueOne")
+					So(queryResult.Series[3].Name, ShouldEqual, "Metric B valueTwo")
 				})
 			})
 		})

pkg/tsdb/mysql/mysql_test.go

@@ -634,6 +634,31 @@ func TestMySQL(t *testing.T) {
 				So(queryResult.Series[1].Name, ShouldEqual, "Metric B - value one")
 			})
 
+			Convey("When doing a metric query with metric column and multiple value columns", func() {
+				query := &tsdb.TsdbQuery{
+					Queries: []*tsdb.Query{
+						{
+							Model: simplejson.NewFromAny(map[string]interface{}{
+								"rawSql": `SELECT $__time(time), measurement as metric, valueOne, valueTwo FROM metric_values ORDER BY 1,2`,
+								"format": "time_series",
+							}),
+							RefId: "A",
+						},
+					},
+				}
+
+				resp, err := endpoint.Query(nil, nil, query)
+				So(err, ShouldBeNil)
+				queryResult := resp.Results["A"]
+				So(queryResult.Error, ShouldBeNil)
+
+				So(len(queryResult.Series), ShouldEqual, 4)
+				So(queryResult.Series[0].Name, ShouldEqual, "Metric A valueOne")
+				So(queryResult.Series[1].Name, ShouldEqual, "Metric A valueTwo")
+				So(queryResult.Series[2].Name, ShouldEqual, "Metric B valueOne")
+				So(queryResult.Series[3].Name, ShouldEqual, "Metric B valueTwo")
+			})
+
 			Convey("When doing a metric query grouping by time should return correct series", func() {
 				query := &tsdb.TsdbQuery{
 					Queries: []*tsdb.Query{

pkg/tsdb/postgres/postgres_test.go

@@ -568,6 +568,31 @@ func TestPostgres(t *testing.T) {
 				So(queryResult.Series[1].Name, ShouldEqual, "Metric B - value one")
 			})
 
+			Convey("When doing a metric query with metric column and multiple value columns", func() {
+				query := &tsdb.TsdbQuery{
+					Queries: []*tsdb.Query{
+						{
+							Model: simplejson.NewFromAny(map[string]interface{}{
+								"rawSql": `SELECT $__timeEpoch(time), measurement as metric, "valueOne", "valueTwo" FROM metric_values ORDER BY 1`,
+								"format": "time_series",
+							}),
+							RefId: "A",
+						},
+					},
+				}
+
+				resp, err := endpoint.Query(nil, nil, query)
+				So(err, ShouldBeNil)
+				queryResult := resp.Results["A"]
+				So(queryResult.Error, ShouldBeNil)
+
+				So(len(queryResult.Series), ShouldEqual, 4)
+				So(queryResult.Series[0].Name, ShouldEqual, "Metric A valueOne")
+				So(queryResult.Series[1].Name, ShouldEqual, "Metric A valueTwo")
+				So(queryResult.Series[2].Name, ShouldEqual, "Metric B valueOne")
+				So(queryResult.Series[3].Name, ShouldEqual, "Metric B valueTwo")
+			})
+
 			Convey("When doing a metric query grouping by time should return correct series", func() {
 				query := &tsdb.TsdbQuery{
 					Queries: []*tsdb.Query{

pkg/tsdb/sql_engine.go

@@ -75,6 +75,10 @@ var NewSqlQueryEndpoint = func(config *SqlQueryEndpointConfiguration, rowTransfo
 		queryEndpoint.timeColumnNames = config.TimeColumnNames
 	}
 
+	if len(config.MetricColumnTypes) > 0 {
+		queryEndpoint.metricColumnTypes = config.MetricColumnTypes
+	}
+
 	engineCache.Lock()
 	defer engineCache.Unlock()
 
@@ -229,6 +233,8 @@ func (e *sqlQueryEndpoint) transformToTimeSeries(query *Query, rows *core.Rows,
 	rowCount := 0
 	timeIndex := -1
 	metricIndex := -1
+	metricPrefix := false
+	var metricPrefixValue string
 
 	// check columns of resultset: a column named time is mandatory
 	// the first text column is treated as metric name unless a column named metric is present
@@ -247,6 +253,7 @@ func (e *sqlQueryEndpoint) transformToTimeSeries(query *Query, rows *core.Rows,
 				columnType := columnTypes[i].DatabaseTypeName()
 
 				for _, mct := range e.metricColumnTypes {
+					e.log.Info(mct)
 					if columnType == mct {
 						metricIndex = i
 						continue
@@ -256,6 +263,11 @@ func (e *sqlQueryEndpoint) transformToTimeSeries(query *Query, rows *core.Rows,
 		}
 	}
 
+	// use metric column as prefix with multiple value columns
+	if metricIndex != -1 && len(columnNames) > 3 {
+		metricPrefix = true
+	}
+
 	if timeIndex == -1 {
 		return fmt.Errorf("Found no column named %s", strings.Join(e.timeColumnNames, " or "))
 	}
@@ -301,7 +313,11 @@ func (e *sqlQueryEndpoint) transformToTimeSeries(query *Query, rows *core.Rows,
 
 		if metricIndex >= 0 {
 			if columnValue, ok := values[metricIndex].(string); ok {
-				metric = columnValue
+				if metricPrefix {
+					metricPrefixValue = columnValue
+				} else {
+					metric = columnValue
+				}
 			} else {
 				return fmt.Errorf("Column metric must be of type %s. metric column name: %s type: %s but datatype is %T", strings.Join(e.metricColumnTypes, ", "), columnNames[metricIndex], columnTypes[metricIndex].DatabaseTypeName(), values[metricIndex])
 			}
@@ -318,6 +334,8 @@ func (e *sqlQueryEndpoint) transformToTimeSeries(query *Query, rows *core.Rows,
 
 			if metricIndex == -1 {
 				metric = col
+			} else if metricPrefix {
+				metric = metricPrefixValue + " " + col
 			}
 
 			series, exist := pointsBySeries[metric]

public/app/plugins/datasource/mssql/partials/query.editor.html

@@ -39,9 +39,11 @@
 	<div class="gf-form"  ng-show="ctrl.showHelp">
 		<pre class="gf-form-pre alert alert-info">Time series:
 - return column named time (in UTC), as a unix time stamp or any sql native date data type. You can use the macros below.
-- optional: return column named metric to represent the series names.
 - any other columns returned will be the time point values.
-- if multiple value columns are present and a metric column is provided. the series name will be the combination of "MetricName - ValueColumnName".
+Optional:
+  - return column named <i>metric</i> to represent the series name.
+  - If multiple value columns are returned the metric column is used as prefix.
+  - If no column named metric is found the column name of the value column is used as series name
 
 Table:
 - return any set of columns

public/app/plugins/datasource/mysql/partials/query.editor.html

@@ -40,7 +40,10 @@
 		<pre class="gf-form-pre alert alert-info">Time series:
 - return column named time or time_sec (in UTC), as a unix time stamp or any sql native date data type. You can use the macros below.
 - return column(s) with numeric datatype as values
-- (Optional: return column named <i>metric</i> to represent the series name. If no column named metric is found the column name of the value column is used as series name)
+Optional:
+  - return column named <i>metric</i> to represent the series name.
+  - If multiple value columns are returned the metric column is used as prefix.
+  - If no column named metric is found the column name of the value column is used as series name
 
 Table:
 - return any set of columns

public/app/plugins/datasource/postgres/partials/query.editor.html

@@ -40,7 +40,10 @@
 		<pre class="gf-form-pre alert alert-info">Time series:
 - return column named <i>time</i> (UTC in seconds or timestamp)
 - return column(s) with numeric datatype as values
-- (Optional: return column named <i>metric</i> to represent the series name. If no column named metric is found the column name of the value column is used as series name)
+Optional: 
+  - return column named <i>metric</i> to represent the series name. 
+  - If multiple value columns are returned the metric column is used as prefix. 
+  - If no column named metric is found the column name of the value column is used as series name
 
 Table:
 - return any set of columns