InsertQuery   (children 3)
 Identifier dst
 ExpressionList (children 3)
  Identifier id
  Identifier a
  Identifier b
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 3)
     Identifier id
     Function tuple (alias a) (children 1)
      ExpressionList (children 2)
       Function replaceAll (alias col_a) (children 1)
        ExpressionList (children 3)
         Identifier data
         Literal \'a\'
         Literal \'e\'
       Identifier type
     Function tuple (alias b) (children 1)
      ExpressionList (children 2)
       Function replaceAll (alias col_b) (children 1)
        ExpressionList (children 3)
         Identifier data
         Literal \'a\'
         Literal \'e\'
       Identifier type
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier src
