SQL Expression: Add instrumentation for sql expressions (#103758)

pkg/expr/classic/classic.go

@@ -10,6 +10,7 @@ import (
 	"github.com/grafana/grafana-plugin-sdk-go/data"
 
 	"github.com/grafana/grafana/pkg/expr/mathexp"
+	"github.com/grafana/grafana/pkg/expr/metrics"
 	"github.com/grafana/grafana/pkg/infra/tracing"
 )
 
@@ -69,7 +70,7 @@ func (cmd *ConditionsCmd) NeedsVars() []string {
 
 // Execute runs the command and returns the results or an error if the command
 // failed to execute.
-func (cmd *ConditionsCmd) Execute(ctx context.Context, t time.Time, vars mathexp.Vars, tracer tracing.Tracer) (mathexp.Results, error) {
+func (cmd *ConditionsCmd) Execute(ctx context.Context, t time.Time, vars mathexp.Vars, tracer tracing.Tracer, _ *metrics.ExprMetrics) (mathexp.Results, error) {
 	ctx, span := tracer.Start(ctx, "SSE.ExecuteClassicConditions")
 	defer span.End()
 	// isFiring and isNoData contains the outcome of ConditionsCmd, and is derived from the