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https://issues.apache.org/jira/browse/PHOENIX-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15299615#comment-15299615
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Alicia Ying Shu commented on PHOENIX-2886:
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[~sergey.soldatov] Noticed the different lengths for cast() in my tests as 
well. If we take into consideration of desiredMaxLength, coerce expression 
should work. 

> Union ALL with Char column  not present in the table in Query 1 but in Query 
> 2 throw exception
> ----------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-2886
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2886
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Alicia Ying Shu
>            Assignee: Alicia Ying Shu
>             Fix For: 4.8.0
>
>         Attachments: PHOENIX-2886-v1.patch, PHOENIX-2886-v2.patch, 
> PHOENIX-2886-v3.patch, PHOENIX-2886.patch, UnionAllIT.java.diff
>
>
> To reproduce:
> create table person ( id bigint not null primary key, firstname char(10), 
> lastname varchar(10) );
> upsert into person values( 1, 'john', 'doe');
> upsert into person values( 2, 'jane', 'doe');
> -- fixed value for char(10)
> select id, 'foo' firstname, lastname from person union all select * from 
> person;
> java.lang.RuntimeException: java.sql.SQLException: ERROR 201 (22000): Illegal 
> data. Expected length of at least 106 bytes, but had 13
> -- fixed value for bigint
> select cast( 10 AS bigint) id, 'foo' firstname, lastname from person union 
> all select * from person;
> java.lang.RuntimeException: java.sql.SQLException: ERROR 201 (22000): Illegal 
> data. Expected length of at least 106 bytes, but had 13



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