You have subscribed to a wiki page or wiki category on "xTuple" for change =
The "EnhancedTaxInternationalization" page has been changed by jrogelstad:
* It should be possible to define tax calculations that are calculated a=
gainst the result of another tax calculation (i.e. taxes on taxes).
- * It should be possible to define tax assignments that calculate tax the=
cumulative sum of the base price item and an multiple other taxes.
+ * It should be possible to define tax assignments that calculate tax the=
cumulative sum of the base price item and multiple other taxes.
* Tax rates should have effective and expiration dates.
@@ -124, +124 @@
+ The group sequence is used for calculating cumulative taxes as described =
=3D=3D=3D Tax Registration =3D=3D=3D
Tax registration will be altered as pictured to include both tax zone and=
tax authority. The tax zone may be ~Any~ or a selected zone. Notes will =
be added to the tax registration for reporting.
@@ -139, +140 @@
+ The tax assignments window also allows users to have a visual cue of the =
relationship of group sequences. These numbers designate cumulative tax gr=
oupings. Cumulative taxes are calculated in order of group sequence. As t=
ax codes in each sequence are processed all the taxes are cumulatively adde=
d to a running total. The running total of a sequence is added to the bas=
e price number in the next sequence so that tax codes in subsequent sequenc=
es consider the base price and all the taxes calculated in the previous seq=
uence as the basis for their tax calculation.
=3D=3D=3D Tax Assignment =3D=3D=3D
The Tax Selection window will be renamed "Tax Assignment" as pictured, an=
d reference tax zone in lieu of tax authority.
@@ -285, +287 @@
=3D=3D Basic Algorithms =3D=3D
. '''Deriving Subordinate Taxes'''
Because taxes may be nested by having one tax based on the results of ano=
ther, we will need a utility table function that returns a row set of all t=
he taxes that are subordinate to another. This function will take argument=
s of a tax code and a current tax level, and run recursively to return all =
tax codes and their respective levels subordinate to the tax code id passed=
in the argument.
First our function requires a new composite type called '''subtax'''.
- CREATE TYPE subtax AS =
+ CREATE TYPE subtax AS
@@ -298, +302 @@
Then we can build our '''getSubTax''' function
CREATE OR REPLACE FUNCTION getSubTax(INTEGER, INTEGER) RETURNS SET OF su=
btax AS $$
pTaxCodeId ALIAS FOR $1;
pLevel ALIAS FOR $2;
- _row subtax%ROWTYPE
+ _row subtax%ROWTYPE;
+ _x RECORD;
+ _y RECORD;
+ FOR _x IN Select all tax codes whose calculation basis is pTaxCodeId
+ Map result to _row. Level is pLevel + 1.
+ RETURN NEXT _row
+ FOR _y IN Select getSubTax(_x tax id, pLevel + 1). This is the recu=
+ Map result to _row.
+ RETURN NEXT _row
+ ... close loops and function
+ The results should look something like this:
+ select * from getSubTax(7,1); -- Where 7 is system assigned tax code id =
for "ED-10 - Education Tax".
+ ||<tablewidth=3D"200px" tablealign=3D"">subtax_taxcode_id||subtax_taxcode=
+ ||12||EC||Eduction Cess||2||
+ ||17||HEC||Higher Education Cess||3||
@@ -326, +351 @@
Then we can build our function
CREATE OR REPLACE FUNCTION taxAssignments(INTEGER, INTEGER) RETURNS SETOF=
taxassign AS $$
@@ -544, +570 @@
ALTER TABLE tax ADD COLUMN tax_basis_tax_id integer REFERENCES tax (tax_i=
d) ON DELETE CASCADE;
=3D=3D=3D New Type =3D=3D=3D
. '''taxdetail''' - A composite type used to return a calculated tax det=
ail record set used by the taxdetail function which is in turn used by the =
Tax Detail window.
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