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https://issues.apache.org/jira/browse/ASTERIXDB-1419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263101#comment-15263101
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Jianfeng Jia commented on ASTERIXDB-1419:
-----------------------------------------
I'm using the master branch which is at the commit of
3ca85ee9425e9f37b0c5653e900589316dc969ec on Wed Apr 27 20:21:16 2016 +0300
> Can not drop a accidently created type
> --------------------------------------
>
> Key: ASTERIXDB-1419
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1419
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: Metadata
> Reporter: Jianfeng Jia
>
> I create a datatype as following:
> {code}
> create type typeSnapshot if not exists as open {
> countyID : int32,
> timeBin: interval,
> tweetCount: int32,
> retweetCount: int32,
> users: [int64],
> top50HashTags: [{string:int32}]
> }
> {code}
> It was created successfully. Then I found the *top50HashTags* was wrong.
> However I can't drop this type due to the following exception:
> {code}
> java.lang.ClassCastException: org.apache.asterix.om.types.AOrderedListType
> cannot be cast to org.apache.asterix.om.types.ARecordType
> at
> org.apache.asterix.metadata.MetadataNode.confirmDatatypeIsUnusedByDatatypes(MetadataNode.java:748)
> at
> org.apache.asterix.metadata.MetadataNode.confirmDatatypeIsUnused(MetadataNode.java:723)
> at
> org.apache.asterix.metadata.MetadataNode.dropDatatype(MetadataNode.java:502)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {code}
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