SelectWithUnionQuery (children 3)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier v4test_array_joins
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       ColumnsRegexpMatcher
   Function and (children 1)
    ExpressionList (children 2)
     Function match (children 1)
      ExpressionList (children 2)
       Identifier arr_4
       Literal \'a\'
     Function less (children 1)
      ExpressionList (children 2)
       Identifier id
       Literal UInt64_100
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
 Identifier Null
 Set
