Future-proofing query and data source model in Dashboard Schema v2 (#104194)

---------

Signed-off-by: Igor Suleymanov <igor.suleymanov@grafana.com>
Co-authored-by: alexandra vargas <alexa1866@gmail.com>
Co-authored-by: Haris Rozajac <haris.rozajac12@gmail.com>
Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>
Co-authored-by: Igor Suleymanov <igor.suleymanov@grafana.com>
Co-authored-by: spinillos <selenepinillos@gmail.com>

pkg/tsdb/azuremonitor/kinds/dataquery/types_dataquery_gen.go

@@ -13,6 +13,7 @@ package dataquery
 
 import (
 	json "encoding/json"
+	fmt "fmt"
 )
 
 type AzureMonitorQuery struct {
@@ -835,3 +836,58 @@ type StringOrBoolOrFloat64OrSelectableValue struct {
 func NewStringOrBoolOrFloat64OrSelectableValue() *StringOrBoolOrFloat64OrSelectableValue {
 	return &StringOrBoolOrFloat64OrSelectableValue{}
 }
+
+// MarshalJSON implements a custom JSON marshalling logic to encode `StringOrBoolOrFloat64OrSelectableValue` as JSON.
+func (resource StringOrBoolOrFloat64OrSelectableValue) MarshalJSON() ([]byte, error) {
+	if resource.String != nil {
+		return json.Marshal(resource.String)
+	}
+	if resource.Bool != nil {
+		return json.Marshal(resource.Bool)
+	}
+	if resource.Float64 != nil {
+		return json.Marshal(resource.Float64)
+	}
+	if resource.SelectableValue != nil {
+		return json.Marshal(resource.SelectableValue)
+	}
+
+	return []byte("null"), nil
+}
+
+// UnmarshalJSON implements a custom JSON unmarshalling logic to decode StringOrBoolOrFloat64OrSelectableValue from JSON.
+func (resource *StringOrBoolOrFloat64OrSelectableValue) UnmarshalJSON(raw []byte) error {
+	if raw == nil {
+		return nil
+	}
+	fields := make(map[string]json.RawMessage)
+	if err := json.Unmarshal(raw, &fields); err != nil {
+		return err
+	}
+
+	if fields["String"] != nil {
+		if err := json.Unmarshal(fields["String"], &resource.String); err != nil {
+			return fmt.Errorf("error decoding field 'String': %w", err)
+		}
+	}
+
+	if fields["Bool"] != nil {
+		if err := json.Unmarshal(fields["Bool"], &resource.Bool); err != nil {
+			return fmt.Errorf("error decoding field 'Bool': %w", err)
+		}
+	}
+
+	if fields["Float64"] != nil {
+		if err := json.Unmarshal(fields["Float64"], &resource.Float64); err != nil {
+			return fmt.Errorf("error decoding field 'Float64': %w", err)
+		}
+	}
+
+	if fields["SelectableValue"] != nil {
+		if err := json.Unmarshal(fields["SelectableValue"], &resource.SelectableValue); err != nil {
+			return fmt.Errorf("error decoding field 'SelectableValue': %w", err)
+		}
+	}
+
+	return nil
+}