+sub get_simple_stock_sql {
+ my ($self, %params) = @_;
+
+ return [] unless $self->id;
+
+ my $query = <<SQL;
+ SELECT w.description AS warehouse_description,
+ b.description AS bin_description,
+ SUM(i.qty) AS qty,
+ SUM(i.qty * p.lastcost) AS stock_value,
+ p.unit AS unit,
+ LEAD(w.description) OVER pt AS wh_lead, -- to detect warehouse changes for subtotals
+ SUM( SUM(i.qty) ) OVER pt AS run_qty, -- running total of total qty
+ SUM( SUM(i.qty) ) OVER wh AS wh_run_qty, -- running total of warehouse qty
+ SUM( SUM(i.qty * p.lastcost)) OVER pt AS run_stock_value, -- running total of total stock_value
+ SUM( SUM(i.qty * p.lastcost)) OVER wh AS wh_run_stock_value -- running total of warehouse stock_value
+ FROM inventory i
+ LEFT JOIN parts p ON (p.id = i.parts_id)
+ LEFT JOIN warehouse w ON (i.warehouse_id = w.id)
+ LEFT JOIN bin b ON (i.bin_id = b.id)
+ WHERE parts_id = ?
+ GROUP BY w.description, b.description, p.unit, i.parts_id
+ HAVING SUM(qty) != 0
+ WINDOW pt AS (PARTITION BY i.parts_id ORDER BY w.description, b.description, p.unit),
+ wh AS (PARTITION by w.description ORDER BY w.description, b.description, p.unit)
+ ORDER BY w.description, b.description
+SQL
+
+ my $stock_info = selectall_hashref_query($::form, $self->db->dbh, $query, $self->id);
+ return $stock_info;
+}
+