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From Jody Landreneau <jodylandren...@gmail.com>
Subject Re: null array
Date Mon, 19 May 2014 18:01:08 GMT
Thank you James!
We appreciate your work on this. I've created
https://issues.apache.org/jira/browse/PHOENIX-989 to track the issue.


On Fri, May 16, 2014 at 11:17 PM, James Taylor <jamestaylor@apache.org>wrote:

> Hi Jody,
> Those are definitely bugs - you should be able to set a column of type
> ARRAY to null. Please file a JIRA and we'll get this fixed up. Sorry for
> the inconvenience.
> Thanks,
> James
>
>
> On Fri, May 16, 2014 at 9:16 PM, Jody Landreneau <jodylandreneau@gmail.com
> > wrote:
>
>> Hello all,
>>
>> I am using phoenix arrays. My question is in regards as to how you would
>> set null for an empty array or for the array field type. I can't seem to
>> get that to work. If I have a string[] I can set an array with a single
>> empty string, but it seems like I should be able to set the param to null.
>> I don't know what I would do for another type of array like bigint.
>>
>> Example:
>> CREATE TABLE regions (
>> region_name VARCHAR NOT NULL,
>> nullable_field VARCHAR,
>> zips VARCHAR[]
>> CONSTRAINT pk PRIMARY KEY (region_name));
>>
>> I can
>>
>> UPSERT INTO regions(region_name, nullable_field)
>> VALUES('SF Bay Area', null)
>>
>> but not
>>
>> UPSERT INTO regions(region_name, nullable_field, zips)
>> VALUES('SF Bay Area', 'one', null)
>>
>> I can also
>> UPSERT INTO regions(region_name, nullable_field, zips)
>> VALUES('SF Bay Area', null, ARRAY[''])
>> and this seems to return null for the array but not sure how to use this
>> approach for other types.
>>
>> I have the same issue attempting to use jdbc, when I call the
>> PreparedStatement's
>> *setNull
>> <http://docs.oracle.com/javase/7/docs/api/java/sql/PreparedStatement.html#setNull(int,%20int)>*(int
parameterIndex,
>> int sqlType) and I set the sqlType to ARRAY.
>>
>> Seems that the error I get is
>>
>> java.lang.NullPointerException
>>
>> at
>> org.apache.phoenix.schema.PDataType$27.isCoercibleTo(PDataType.java:3455)
>>
>> at
>> org.apache.phoenix.compile.UpsertCompiler$3.execute(UpsertCompiler.java:695)
>>
>> at
>> org.apache.phoenix.jdbc.PhoenixStatement.executeMutation(PhoenixStatement.java:226)
>>
>> at
>> org.apache.phoenix.jdbc.PhoenixStatement.execute(PhoenixStatement.java:185)
>>
>> at
>> org.apache.phoenix.jdbc.PhoenixPreparedStatement.execute(PhoenixPreparedStatement.java:146)
>>
>> at
>> org.apache.phoenix.jdbc.PhoenixPreparedStatement.execute(PhoenixPreparedStatement.java:151)
>> Any thoughts on what I should be seeing or doing?
>>
>> Thanks in advance --
>>
>
>

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