memory leaks for Free form handler to generate DAS

Description

While using the free form handler to check if the data access can be used with datatype factory class, I use valgrind to check if my code will generate any memory leaking. To my surprise, I find the original code that generates DAS has a small leaks. This ticket tries to fix the issue.

Environment

None

Status

Assignee

Kent Yang

Reporter

Kent Yang

Labels

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Fix versions

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Story Points

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Priority

Medium
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