Planning errors with masking due to unaliased column references

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<vdb name="odatacm" version="1">
<description>Test column masking for Odata </description>
<property name="validationDateTime" value="Thu May 02 14:13:21 CDT 2019"/>
<property name="validationVersion" value="8.12.13"/>
<model name="vw" type="VIRTUAL">
<metadata type="DDL"><![CDATA[

CREATE VIEW employee (
    id integer,
    name string,
    taxid string,
    taxid_cd string,
    CONSTRAINT pk_id PRIMARY KEY(id)
) OPTIONS(UPDATABLE 'TRUE') 
AS
    SELECT
        1 AS id, 'Debbie' AS name, '123456789' AS taxid, 'SSN' AS taxid_cd
UNION
SELECT
        2 AS id, 'Mide' AS name, '234567891' AS taxid, 'FED' AS taxid_cd
UNION
SELECT
        3 AS id, 'DJS' AS name, '345678912' AS taxid, 'FED' AS taxid_cd
UNION
SELECT
        4 AS id, 'Joe' AS name, '456789123' AS taxid, 'SSN' AS taxid_cd;

]]></metadata>
</model>
<data-role allow-create-temporary-tables="false" any-authenticated="true" grant-all="false" name="Data Role 1">
<description/>
<permission>
<resource-name>vw.employee.taxid</resource-name>
<condition>vw.employee.id>2</condition>
<mask order="0">'Blocked'</mask>
</permission>
<permission>
<resource-name>vw</resource-name>
<allow-create>false</allow-create>
<allow-read>true</allow-read>
<allow-update>false</allow-update>
<allow-delete>false</allow-delete>
<allow-execute>false</allow-execute>
<allow-alter>false</allow-alter>
</permission>
<permission>
<resource-name>sysadmin</resource-name>
<allow-create>false</allow-create>
<allow-read>false</allow-read>
<allow-update>false</allow-update>
<allow-delete>false</allow-delete>
<allow-execute>false</allow-execute>
<allow-alter>false</allow-alter>
</permission>
</data-role>
</vdb>