How to delete all columns from select and add Star to query? (modifying)

[RedHotUnicorn]

I have some code that can delete columns and aliases from select and add asterisk. Like:

select a,b,c,d from (select a,b,c,d from ) -> select * from (select * from )

I have a code:

import sqlglot
sql ="""
CREATE TABLE table2 AS
SELECT pos1,
	pos2,
	pos3,
	pos4,
	pos5,
	pos6,
	pos7
FROM
		(SELECT pos3,
				pos4
			FROM table1  f
			LEFT OUTER JOIN table3 t ON 1=1) test;

;
"""



parse = sqlglot.parse(sql, "tsql",)

print(parse)
print("------------------------------------------------")

def transformer(node):
	if isinstance(node, sqlglot.exp.Select):
		new = sqlglot.exp.select("*")
		s = node.find_all(sqlglot.exp.Expression) 
		print(s)
		for col in s:
			if col.parent == node:
				if isinstance(col, sqlglot.exp.Column) or isinstance(col, sqlglot.exp.Alias):
					col.pop()
				else:
					print("-------------------col-----------------------------")
					print(col)
					new.append(col.text,col)
		print("-------------------new-----------------------------")
		print(new)
		print("-------------------node-----------------------------")
		print(node)
	return node



i =0 
for s in parse:
	if s is not None:
		parse[i]= s.transform(transformer)
	i+=1
print(i)
print(parse)
print(parse[0].sql())

In loop I can find a child of select , but how to append it to new select?

[RedHotUnicorn]

found solution

def transformer(node):
	# print("->")
	# print(type(node))
	# print("->")

	if isinstance(node, sqlglot.exp.Select):
		s = node.find_all(sqlglot.exp.Column,sqlglot.exp.Alias) 
		for col in s:
			if col.parent == node:
				col.pop()

		node.select('*',copy = False)
		# print(node)
	return node



i =0 
for s in parse:
	if s is not None:
		# print(type(s))
		# print(s.transform(transformer).sql())
		parse[i]= s.transform(transformer)