Introducing PopSQL + dbt
PopSQL
Say you're looking at a PostgreSQL integer column where some rows are null:
select day, tickets from stats;
day | tickets ------------+------- 2018-01-01 | 1 2018-01-02 | null 2018-01-03 | 3
Instead of having that null, you might want that row to be 0. To do that, use the coalesce function, which returns the first non-null argument it's passed:
0
coalesce
select day, coalesce(tickets, 0) from stats;
day | tickets ------------+------- 2018-01-01 | 1 2018-01-02 | 0 2018-01-03 | 3
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