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https://issues.apache.org/jira/browse/PHOENIX-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432115#comment-15432115
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James Taylor commented on PHOENIX-930:
--------------------------------------
[~samarthjain]?
> duplicated columns cause query exception and drop table exception
> -----------------------------------------------------------------
>
> Key: PHOENIX-930
> URL: https://issues.apache.org/jira/browse/PHOENIX-930
> Project: Phoenix
> Issue Type: Bug
> Reporter: wangkai
> Assignee: Junegunn Choi
> Fix For: 4.8.1
>
> Attachments: PHOENIX-930, PHOENIX-930-v2.patch, PHOENIX-930-v3.patch,
> PHOENIX-930.patch, PHOENIX-930_v4.patch, PHOENIX-930_v5.patch
>
>
> when I create table like this: "create table test (id varchar not null
> primary key, f.name varchar, f.email varchar, f.email varchar)", this will
> cause an org.apache.phoenix.schema.ColumnAlreadyExistsException, but the
> table is successful created.
> Then I run a query like "select * from test", an exception is threw:
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
> at org.apache.phoenix.schema.PTableImpl.init(PTableImpl.java:283)
> at org.apache.phoenix.schema.PTableImpl.<init>(PTableImpl.java:216)
> at
> org.apache.phoenix.schema.PTableImpl.makePTable(PTableImpl.java:209)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.getTable(MetaDataEndpointImpl.java:443)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.buildTable(MetaDataEndpointImpl.java:254)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.doGetTable(MetaDataEndpointImpl.java:1077)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.getTable(MetaDataEndpointImpl.java:1023)
> ... 10 more
> then I try to drop the table: "drop table test", an exception is also threw:
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
> at org.apache.phoenix.schema.PTableImpl.init(PTableImpl.java:283)
> at org.apache.phoenix.schema.PTableImpl.<init>(PTableImpl.java:216)
> at
> org.apache.phoenix.schema.PTableImpl.makePTable(PTableImpl.java:209)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.getTable(MetaDataEndpointImpl.java:443)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.buildTable(MetaDataEndpointImpl.java:254)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.doGetTable(MetaDataEndpointImpl.java:1077)
> at
> org.apache.phoenix.coprocessor.MetaDataEndpointImpl.getTable(MetaDataEndpointImpl.java:1023)
> ... 10 more
> So I have to drop SYSTEM.CATALOG, SYSTEM.SEQUENCE from hbase shell……
> The ArrayIndexOutOfBoundsException is threw out because the position of
> f.email column in CATALOG table is not correct. I think it's better to check
> columns before creating table.
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