Re: CSV files & empty strings

On 20/10/2009 05:55, Nate Randall wrote:
> I am new to Postgre, having formerly used Filemaker Pro. I need to
> import CSV files into Postgre which contain some empty string "" values
> in several date-type fields. I am able to import the CSV files into
> Postgre with the COPY FROM command if the datefields are converted to
> text fields in Postgre. However, I need some method of "converting" the
> empty string "" values into NULL values after import, so that I can
> change the date fields back to date-type. Any suggestions on how this
> could be accomplished?

How about:

update <table> set <column> = null where <column> = '';

?

Ray.