From 3e5a402942f1581e739c5c53ba4eddf2403811b8 Mon Sep 17 00:00:00 2001
From: Linas Vepstas <linas@linas.org>
Date: Sun, 3 Jun 2001 02:41:25 +0000
Subject: [PATCH] add helper functions

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@4381 57a11ea4-9604-0410-9ed3-97b8803252fd
---
 src/engine/sql/table-create.sql | 56 +++++++++++++++++++++++----------
 1 file changed, 39 insertions(+), 17 deletions(-)

diff --git a/src/engine/sql/table-create.sql b/src/engine/sql/table-create.sql
index 912c086abd..936f1c96a9 100644
--- a/src/engine/sql/table-create.sql
+++ b/src/engine/sql/table-create.sql
@@ -191,33 +191,55 @@ CREATE TABLE gncKVPvalue_list (
 
 CREATE FUNCTION gncSubtotalBalance (CHAR(32), DATETIME, DATETIME)
     RETURNS NUMERIC
-    AS 'SELECT sum(gncentry.value)
-        FROM gncentry, gnctransaction
+    AS 'SELECT sum(gncEntry.value)
+        FROM gncEntry, gncTransaction
         WHERE
-        gncentry.accountguid = $1 AND
-        gncentry.transguid = gnctransaction.transguid AND
-        gnctransaction.date_posted BETWEEN $2 AND $3'
+        gncEntry.accountGuid = $1 AND
+        gncEntry.transGuid = gncTransaction.transGuid AND
+        gncTransaction.date_posted BETWEEN $2 AND $3'
     LANGUAGE 'sql';
 
 CREATE FUNCTION gncSubtotalClearedBalance (char(32), DATETIME, DATETIME)
     RETURNS NUMERIC
-    AS 'SELECT sum(gncentry.value)
-        FROM gncentry, gnctransaction
+    AS 'SELECT sum(gncEntry.value)
+        FROM gncEntry, gncTransaction
         WHERE
-        gncentry.accountguid = $1 AND
-        gncentry.transguid = gnctransaction.transguid AND
-        gnctransaction.date_posted BETWEEN $2 AND $3 AND
-        gncentry.reconciled <> \\'n\\''
+        gncEntry.accountGuid = $1 AND
+        gncEntry.transGuid = gncTransaction.transGuid AND
+        gncTransaction.date_posted BETWEEN $2 AND $3 AND
+        gncEntry.reconciled <> \\'n\\''
     LANGUAGE 'sql';
 
 CREATE FUNCTION gncSubtotalReconedBalance (CHAR(32), DATETIME, DATETIME)
     RETURNS NUMERIC
-    AS 'SELECT sum(gncentry.value)
-        FROM gncentry, gnctransaction
+    AS 'SELECT sum(gncEntry.value)
+        FROM gncEntry, gncTransaction
         WHERE
-        gncentry.accountguid = $1 AND
-        gncentry.transguid = gnctransaction.transguid AND
-        gnctransaction.date_posted BETWEEN $2 AND $3 AND
-        gncentry.reconciled = \\'y\\''
+        gncEntry.accountGuid = $1 AND
+        gncEntry.transGuid = gncTransaction.transGuid AND
+        gncTransaction.date_posted BETWEEN $2 AND $3 AND
+        gncEntry.reconciled = \\'y\\''
     LANGUAGE 'sql';
 
+-- helper functions.  These intentionally use the 'wrong' fraction. 
+-- This is because value_frac * amount * price = value * amount_frac
+
+CREATE FUNCTION gncHelperPrVal (gncEntry)
+   RETURNS INT8
+   AS 'SELECT abs($1 . value * gncCommodity.fraction)
+       FROM gncEntry, gncAccount, gncCommodity
+       WHERE
+       $1 . accountGuid = gncAccount.accountGuid AND
+       gncAccount.commodity = gncCommodity.commodity'
+    LANGUAGE 'sql';
+       
+CREATE FUNCTION gncHelperPrAmt (gncEntry)
+   RETURNS INT8
+   AS 'SELECT abs($1 . amount * gncCommodity.fraction)
+       FROM gncEntry, gncTransaction, gncCommodity
+       WHERE
+       $1 . transGuid = gncTransaction.transGuid AND
+       gncTransaction.currency = gncCommodity.commodity'
+    LANGUAGE 'sql';
+       
+