'Metabase Custom Column Casting from Text to Integer

How can I use Custom Column feature in Metabase to cast column from Text to Integer for sum calculation.

postgresql casting metabase

Solution 1:^[1]

I found a workaround by setting 0 + column_name in the formula field. Maybe there's a cleaner way but I couldn't find it.

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Source: Stack Overflow

Solution	Source
Solution 1