I'm really trying to understand how the tablefunc crosstab function works, to 
no avail.

I have a table that looks like this:

customer_id integer
date timestamp with time zone
amount numeric(10,4)

There are rows in this table every-time a customer gets charged an amount, 
which is multiple times per day.

I would like to get a result like this:

customer_id,day1,day2,day3,(…)
1,400.00,500.01,123.00,(…)

So, one row for each customer id and a column for every day in the current 
month. Anyone used crosstab for something like this?

Thanks for your help,

A.


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