SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Literal \'03626_parquet_bool.parquet\'
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier x
     Literal UInt64_1
   Set
