Re: crosstab function

please show

- source data structures (in form of CREATE TABLE please)

- actual whole query that creates duplicates

2010/12/14 Sim Zacks <sim(at)compulab(dot)co(dot)il>

> postgres 8.2.17
>
> I am trying out the crosstab function (tablefunc contrib) for reporting
> needs and I'm having a problem.
> I have customers and products and the data is the quantity purchased. I am
> grouping by customername, productname in the source sql. My category sql
> depends if I want the products or customers to be the columns.
>
> When I make customers the rows and products the columns, it works fine. But
> when I make customers the columns and products the rows, there are duplicate
> product rows.
>
> Is there a way to group the product rows so that the data results come back
> correct?
>
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