Re: Documentation blues

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G'day everyone,

A little more on this seems to have come to light.

If I remove other various tests I was performing in the same file, then

	print "essential columns: ",join (" ", Staff::Details->_essential),"\n";
	my $staff = Staff::Details->search_by_num_projects()->first();
	$staff->firstname();

	print Dumper \$staff;

yields:

	essential columns: staffid
	$VAR1 = \bless( {
	                   'state' => 'Vic',
	                   'lastname' => 'Sprat',
	                   'city' => 'Melbourne',
	                   'numprojects' => '2',
	                   'staffid' => '12345',
	                   'position' => 'Devel',
	                   'address' => '2 Pine Rd',
	                   'firstname' => 'Jack',
	                   'wage' => '80'
	                 }, 'Staff::Details' );

which is great!  Yet if I do anything else such as

	my @all_staff = Staff::Details->retrieve_all;

I'm back to not getting numprojects.  If I perform a search which only includes 
some of the employees before performing this search then I get a mix where some 
objects have the numprojects and others don't.  This is obviously less than ideal.

It's pretty clear that what is happening is that since the objects my search is 
turning up already exist in the global cache of objects they're not being 
created and thus aren't gaining this new column value.

I'll try to create a test case for this and consider how it could be patched.

The previous issue regarding the disparity between the documentation and 
implementation of the Essential columns is still of interest.

All the best,

	Jacinta

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