Split a string to rows? - Mailing list pgsql-sql

Hello,

Is there a function to split a string to different rows?

For example, t1(id, col1)
values(1, 'a, b, c');

select id, string_split_to_row(col1, ',');

Return:
=========
1, a
1, b
1, c

Thanks alot!
Emi