3 ms·
In some databases like Postgres, you can do something like “SELECT x, array_agg(y) GROUP BY x” to get the exact same effect of this groupby operation in toolz.
by joppy 6y ago
In some databases like Postgres, you can do something like “SELECT x, array_agg(y) GROUP BY x” to get the exact same effect of this groupby operation in toolz.