Expressions: Sql expressions with Duckdb (#81666)

duckdb temp storage of dataframes using parquet and querying from sql expressions
---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

pkg/services/featuremgmt/registry.go

@@ -1139,6 +1139,13 @@ var (
 			Stage:       FeatureStageExperimental,
 			Owner:       grafanaObservabilityMetricsSquad,
 		},
+		{
+			Name:         "sqlExpressions",
+			Description:  "Enables using SQL and DuckDB functions as Expressions.",
+			Stage:        FeatureStageExperimental,
+			FrontendOnly: false,
+			Owner:        grafanaAppPlatformSquad,
+		},
 		{
 			Name:         "nodeGraphDotLayout",
 			Description:  "Changed the layout algorithm for the node graph",

pkg/services/featuremgmt/toggles_gen.csv

@@ -152,6 +152,7 @@ jitterAlertRulesWithinGroups,preview,@grafana/alerting-squad,false,true,false
 onPremToCloudMigrations,experimental,@grafana/grafana-operator-experience-squad,false,false,false
 alertingSaveStatePeriodic,privatePreview,@grafana/alerting-squad,false,false,false
 promQLScope,experimental,@grafana/observability-metrics,false,false,false
+sqlExpressions,experimental,@grafana/grafana-app-platform-squad,false,false,false
 nodeGraphDotLayout,experimental,@grafana/observability-traces-and-profiling,false,false,true
 groupToNestedTableTransformation,preview,@grafana/dataviz-squad,false,false,true
 newPDFRendering,experimental,@grafana/sharing-squad,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -619,6 +619,10 @@ const (
 	// In-development feature that will allow injection of labels into prometheus queries.
 	FlagPromQLScope = "promQLScope"
 
+	// FlagSqlExpressions
+	// Enables using SQL and DuckDB functions as Expressions.
+	FlagSqlExpressions = "sqlExpressions"
+
 	// FlagNodeGraphDotLayout
 	// Changed the layout algorithm for the node graph
 	FlagNodeGraphDotLayout = "nodeGraphDotLayout"

pkg/services/featuremgmt/toggles_gen.json

@@ -83,7 +83,7 @@
         "name": "pluginsInstrumentationStatusSource",
         "resourceVersion": "1708108588074",
         "creationTimestamp": "2024-02-16T18:36:28Z",
-        "deletionTimestamp": "2024-02-23T13:23:30Z"
+        "deletionTimestamp": "2024-02-27T14:43:01Z"
       },
       "spec": {
         "description": "Include a status source label for plugin request metrics and logs",
@@ -511,7 +511,7 @@
         "name": "displayAnonymousStats",
         "resourceVersion": "1708108588074",
         "creationTimestamp": "2024-02-16T18:36:28Z",
-        "deletionTimestamp": "2024-02-23T13:23:30Z"
+        "deletionTimestamp": "2024-02-27T14:43:01Z"
       },
       "spec": {
         "description": "Enables anonymous stats to be shown in the UI for Grafana",
@@ -1400,7 +1400,7 @@
         "name": "traceToMetrics",
         "resourceVersion": "1708108588074",
         "creationTimestamp": "2024-02-16T18:36:28Z",
-        "deletionTimestamp": "2024-02-23T13:23:30Z"
+        "deletionTimestamp": "2024-02-27T14:43:01Z"
       },
       "spec": {
         "description": "Enable trace to metrics links",
@@ -1529,7 +1529,7 @@
         "name": "splitScopes",
         "resourceVersion": "1708108588074",
         "creationTimestamp": "2024-02-16T18:36:28Z",
-        "deletionTimestamp": "2024-02-23T13:23:30Z"
+        "deletionTimestamp": "2024-02-27T14:43:01Z"
       },
       "spec": {
         "description": "Support faster dashboard and folder search by splitting permission scopes into parts",
@@ -1570,7 +1570,7 @@
         "name": "externalServiceAuth",
         "resourceVersion": "1708108588074",
         "creationTimestamp": "2024-02-16T18:36:28Z",
-        "deletionTimestamp": "2024-02-21T10:10:41Z"
+        "deletionTimestamp": "2024-02-27T14:43:01Z"
       },
       "spec": {
         "description": "Starts an OAuth2 authentication provider for external services",
@@ -2131,6 +2131,21 @@
         "codeowner": "@grafana/dataviz-squad",
         "frontend": true
       }
+    },
+    {
+      "metadata": {
+        "name": "sqlExpressions",
+        "resourceVersion": "1709044973784",
+        "creationTimestamp": "2024-02-19T22:46:11Z",
+        "annotations": {
+          "grafana.app/updatedTimestamp": "2024-02-27 14:42:53.784398 +0000 UTC"
+        }
+      },
+      "spec": {
+        "description": "Enables using SQL and DuckDB functions as Expressions.",
+        "stage": "experimental",
+        "codeowner": "@grafana/grafana-app-platform-squad"
+      }
     }
   ]
 }