support flexible repayment strategies for loans.

mifosng-db/0001a-mifos-platform-base-ddl-schema.sql

@@ -325,6 +325,7 @@ CREATE TABLE `portfolio_loan_repayment_schedule` (
   `principal_completed_derived` decimal(19,6) DEFAULT NULL,
   `interest_amount` decimal(19,6) DEFAULT NULL,
   `interest_completed_derived` decimal(19,6) DEFAULT NULL,
+  `interest_waived_derived` decimal(19,6) DEFAULT NULL, 
   `completed_derived` bit(1) NOT NULL,
   `createdby_id` bigint(20) DEFAULT NULL,
   `created_date` datetime DEFAULT NULL,
@@ -342,6 +343,8 @@ CREATE TABLE `portfolio_loan_transaction` (
   `contra_id` bigint(20) DEFAULT NULL,
   `transaction_date` date NOT NULL,
   `amount` decimal(19,6) NOT NULL,
+  `principal_portion_derived` decimal(19,6) NOT NULL,
+  `interest_portion_derived` decimal(19,6) NOT NULL,
   `createdby_id` bigint(20) DEFAULT NULL,
   `created_date` datetime DEFAULT NULL,
   `lastmodified_date` datetime DEFAULT NULL,

mifosng-db/0002-mifosng-base-reference-data.sql

@@ -8,7 +8,8 @@ VALUES
 (300, 'Active'),
 (400, 'Withdrawn by client'),
 (500, 'Rejected'),
-(600, 'Closed');
+(600, 'Closed'),
+(700, 'Overpaid');
 
 
 INSERT INTO `ref_currency`

mifosng-db/patches-post-multi-tenant/patch-0006-add-derived-fields-on-loan-transaction.sql

@@ -0,0 +1,12 @@
+-- add derived fields for loan transactions and extra
+
+ALTER TABLE `portfolio_loan_transaction` 
+ADD COLUMN `principal_portion_derived` decimal(19,6) NOT NULL DEFAULT 0,
+ADD COLUMN `interest_portion_derived` decimal(19,6) NOT NULL DEFAULT 0,
+ADD COLUMN `interest_waived_derived` decimal(19,6) NOT NULL DEFAULT 0;
+
+
+ALTER TABLE `portfolio_loan_repayment_schedule`
+ADD COLUMN `interest_waived_derived` decimal(19,6) NOT NULL DEFAULT 0;
+
+INSERT INTO `ref_loan_status` (`id`,`display_name`) VALUES (700, 'Overpaid');