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From "Xikui Wang (JIRA)" <>
Subject [jira] [Created] (ASTERIXDB-1949) Scan feed connections when drop-function and drop-dataverse
Date Tue, 20 Jun 2017 16:24:00 GMT
Xikui Wang created ASTERIXDB-1949:

             Summary: Scan feed connections when drop-function and drop-dataverse
                 Key: ASTERIXDB-1949
             Project: Apache AsterixDB
          Issue Type: Improvement
            Reporter: Xikui Wang
            Assignee: Xikui Wang

In the previous change about the function usage check[1], the logic of function usage check
becomes complicated when there is cross-referencing of functions between dataverses. After
several discussions, we decided to change the check back to scan all possible usages in feed
connections, instead of maintaining a reference count in metadata. Two scenarios are covered
by this change:

1. If a dataverse has functions that are used by others, the drop-dataverse statement will
be prevented.
2. If a function is used by any other feed connections, the drop-function statement will be


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