Re: COPY FROM - how to identify results?

That's sort of what I have already, and my problem is that the
portfolio_id field does not exist in the CSV files. I'd like to be able
to assign a portfolio_id, for the current file's entries. Another person
in the list suggested dynamically adding a column with the portfolio_id
to the file, and that of course would work, but is kinda messy.

The problem with the solution you suggest is that when doing COPY, I'll
get a complaint because of trying to populate an entry with a null value
for portfolio_id.
Some sort of automatic population of the portfolio_id field wouldn't
work either, since many different users and processes could be inserting
data into the staging table simultaneously.


> Seems like you need to adjust your schema to use a pivot table:
>
> CREATE TABLE portfolio (
>
>     id SERIAL PRIMARY KEY,
>     ...
>
> CREATE TABLE portfolio_entries (
>     portfolio_id INT4 NOT NULL,
>
>     ...
>
>     CONSTRAINT fk_portfolio_entries FOREIGN KEY (portfolio_id)
>         REFERENCES portfolio
>         ON DELETE CASCADE
>
> Then you should be able to insert directly into the second table a row
> for each entry (for want of a better word) that corresponds to a
> particular portfolio.
>
> brian
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>


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