Re: running \copy through perl dbi ?

On Fri, 8 Dec 2023 10:45:28 -0500
David Gauthier <dfgpostgres@gmail.com> wrote:
> 
> I'm trying to run a PG client side "\copy" command from a perl script.  I
> tried using $dbh->do("\\copy ...") but it barffed when it saw the '\'...
> ERROR:  syntax error at or near "\"

Hi David,

This works for me :

    #create file
    my $sql = qq {\\copy ( $sub_query ) to '$location' with  null as '' delimiter ';' csv header } ;

    my $db_name = 'xxxxxx' ;

    my @args = ( 'psql', '-c', $sql, $db_name ) ;
    
    system( @args ) == 0 or die "Bad copy: $?" ;


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