SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier name
    Identifier value
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.settings
   Function and (children 1)
    ExpressionList (children 4)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier tier
       Literal \'Experimental\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal \'Bool\'
     Function notEquals (children 1)
      ExpressionList (children 2)
       Identifier value
       Literal \'0\'
     Function notIn (children 1)
      ExpressionList (children 2)
       Identifier name
       Literal \'throw_on_unsupported_query_inside_transaction\'
