K8s/Dashboards: Fix dashboard list and add tests (#91523)

pkg/storage/unified/sql/sqltemplate/dialect_mysql.go

@@ -14,8 +14,25 @@ var MySQL = mysql{
 var _ Dialect = MySQL
 
 type mysql struct {
-	standardIdent
+	backtickIdent
 	rowLockingClauseMap
 	argPlaceholderFunc
 	name
 }
+
+// standardIdent provides standard SQL escaping of identifiers.
+type backtickIdent struct{}
+
+var standardFallback = standardIdent{}
+
+func (backtickIdent) Ident(s string) (string, error) {
+	switch s {
+	// Internal identifiers require backticks to work properly
+	case "user":
+		return "`" + s + "`", nil
+	case "":
+		return "", ErrEmptyIdent
+	}
+	// standard
+	return standardFallback.Ident(s)
+}