Scenario to achived rownumber function in sql

[dipanjan_pan]

How can I achieve rownum() funtion in Snaplogic?

I have a input data
Column 1
a
b
c
a
a
need output
Column1 Column2
a 1
b 1
c 1
a 2
a 3

How can I achieve this?

[alchemiz]

Hi Dipanjan,

You can use the string method charCodeAt

e,g

($Column1.toLowerCase().charCodeAt(0) - 97) + 1

[alchemiz]

My bad, I thought column2 is base from the character from column1 🙂

[ptaylor]

I’m not understanding your example. If Column 2 is supposed to be your rownum() value, why wouldn’t the values be 1, 2, 3, 4, 5 instead of 1, 1, 1, 2, 3?

[dipanjan_pan]

rownum based on some partition by column. In this case I want the output based on column 1. thats why it is 1,1,1,2,3