[birt-dev] Checkin:Fix bugzilla bug 145022 Provide a utility method to h

["Mingxia Wu" <mwu@xxxxxxxxxxx>]

Title: Checkin:Fix bugzilla bug 145022 Provide a utility method to help GUI enhance aggregate on

- Summary:
Fix bugzilla bug 145022

- Bugzilla Bug (s) Resolved:
Fix bugzilla bug 145022Provide a utility method to help GUI enhance aggregate on

- Description:
Fix bugzilla bug 145022Provide a utility method to help GUI enhance aggregate on

- Tests Description:
Unit test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

- Notes to Documentation:  

- Files Edited:
/org.eclipse.birt.core/src/org/eclipse/birt/core/data/ExpressionUtil.java
/org.eclipse.birt.core/test/org/eclipse/birt/core/data/ExpressionParserUtilityTest.java
/org.eclipse.birt.core/src/org/eclipse/birt/core/data/ExpressionParserUtility.java

- Files Added:

- Files Deleted