How can I find the position of a string starting from a specified index in Postgresql-9.3+
Example
find('ranranran','an',1) should output 2
find('ranranran','an',3) => 5
find('ranranran','an',6) => 8
How can I find the position of a string starting from a specified index in Postgresql-9.3+
Example
find('ranranran','an',1) should output 2
find('ranranran','an',3) => 5
find('ranranran','an',6) => 8