#!C:/strawberry/perl/bin/perl.exe
use strict;
use warnings;
use DBI;
use DBD::Pg;
my $pwd ="MyPwd";  #
     my $dbh = DBI->connect('dbi:Pg:dbname=my_geo_table;host=dbhost',
    'user',
    $pwd, 
       {
        PrintError  => 0,
        HandleError => \&handle_error,
    }
  ) or handle_error(DBI->errstr);

    my $some_text ="hello World";
    my $LongDEC = "017.12.270"; 
    my $LatDEC  = "44.82115";
    
    my $post_id = 123;
    my $cmd = "insert into latlong (post_id,some_text,geom) VALUES (" .
    
          $dbh->quote($post_id) . "," .
          $dbh->quote($some_text) . ",
          ST_GeomFromText('POINT($LongDEC $LatDEC)', 4326)
          )";
          
          my $query_handle = $dbh->prepare($cmd);
             $query_handle->execute();
          
          my $lastID = $dbh->last_insert_id(undef,undef,"latlong",undef);
    
          if(defined(DBI->errstr))
          {
            ## not getting here
            my $ErrMsg .= "Error: " . handle_error(DBI->errstr);
            print $ErrMsg . "\n";
            
          }
        else
          {
            print "Finished with $post_id lastid =[$lastID]\n";
           
          }


 sub handle_error {
    my $message = shift;
    return ("### The Error message from DB is '$message' ###\n");
}

## These subs are for trapping warnings

  local $SIG{__WARN__} = sub {
    my $message = shift;
    print "warning $message\n"; # not getting here 
    logger('warning', $message);
  };
 
  sub logger {
    my ($level, $msg) = @_;
    if (open my $out, '>>', $dir . "\\log.txt") {
        chomp $msg;
        print $out "$level - $msg\n";
    }
  }
  
#### print out to cmd

WARNING:  OGC WKT expected, EWKT provided - use GeomFromEWKT() for this
Finished with 123 lastid =[567]
1 records processed 0 error-ed