+ $all_sql{exempt_monthly} =~ s/EXEMPT_WHERE/exempt_monthly = 'Y'/;
+
+ # credits applied to taxable sales
+ # Note that negative exemptions (from exempt sales being credited) are NOT
+ # counted when calculating the exempt amount. (See above.) Therefore we need
+ # to NOT include any credits against exempt sales in this amount, either.
+ # These two subqueries implement that. They have joins to cust_credit_bill
+ # and cust_bill so that credits can be filtered by application date if
+ # requested.
+
+ # Each row here is the sum of credits applied to a line item.
+ my $sales_credit =
+ "SELECT billpkgnum, SUM(cust_credit_bill_pkg.amount) AS credited
+ FROM cust_credit_bill_pkg
+ JOIN cust_credit_bill USING (creditbillnum)
+ JOIN cust_bill USING (invnum)
+ WHERE cust_bill._date >= $beginning AND cust_bill._date <= $ending
+ GROUP BY billpkgnum
+ ";
+
+ # Each row here is the sum of negative exemptions applied to a combination
+ # of line item and tax definition.
+ my $exempt_credit =
+ "SELECT cust_credit_bill_pkg.billpkgnum, taxnum,
+ 0 - SUM(cust_tax_exempt_pkg.amount) AS exempt_credited
+ FROM cust_credit_bill_pkg
+ LEFT JOIN cust_tax_exempt_pkg USING (creditbillpkgnum)
+ JOIN cust_credit_bill USING (creditbillnum)
+ JOIN cust_bill USING (invnum)
+ WHERE cust_bill._date >= $beginning AND cust_bill._date <= $ending
+ GROUP BY cust_credit_bill_pkg.billpkgnum, taxnum
+ ";
+
+ if ( $opt{credit_date} eq 'cust_credit_bill' ) {
+ $sales_credit =~ s/cust_bill._date/cust_credit_bill._date/g;
+ $exempt_credit =~ s/cust_bill._date/cust_credit_bill._date/g;
+ }
+
+ $sql{sales_credited} = "$select
+ SUM(COALESCE(credited, 0) - COALESCE(exempt_credited, 0))
+ FROM cust_main_county
+ JOIN ($pkg_tax) AS pkg_tax USING (taxnum)
+ JOIN cust_bill_pkg USING (billpkgnum)
+ LEFT JOIN ($sales_credit) AS sales_credit USING (billpkgnum)
+ LEFT JOIN ($exempt_credit) AS exempt_credit USING (billpkgnum, taxnum)
+ $join_cust_pkg $where AND $nottax
+ $group
+ ";
+
+ $all_sql{sales_credited} = "$select_all
+ SUM(COALESCE(credited, 0) - COALESCE(exempt_credited, 0))
+ FROM cust_main_county
+ JOIN ($pkg_tax) AS pkg_tax USING (taxnum)
+ JOIN cust_bill_pkg USING (billpkgnum)
+ LEFT JOIN ($sales_credit) AS sales_credit USING (billpkgnum)
+ LEFT JOIN ($exempt_credit) AS exempt_credit USING (billpkgnum, taxnum)
+ $join_cust_pkg $where AND $nottax
+ $group_all
+ ";
+
+ # also include the exempt-sales credit amount, for the credit report
+ $sql{exempt_credited} = "$select
+ SUM(COALESCE(exempt_credited, 0))
+ FROM cust_main_county
+ LEFT JOIN ($exempt_credit) AS exempt_credit USING (taxnum)
+ JOIN cust_bill_pkg USING (billpkgnum)
+ $join_cust_pkg $where AND $nottax
+ $group
+ ";
+
+ $all_sql{exempt_credited} = "$select_all
+ SUM(COALESCE(exempt_credited, 0))
+ FROM cust_main_county
+ LEFT JOIN ($exempt_credit) AS exempt_credit USING (taxnum)
+ JOIN cust_bill_pkg USING (billpkgnum)
+ $join_cust_pkg $where AND $nottax
+ $group_all
+ ";