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From "Thomas D'Silva (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-4644) Array modification functions should require two arguments
Date Fri, 09 Mar 2018 02:02:00 GMT


Thomas D'Silva commented on PHOENIX-4644:


I don't think we have tests for this. ARRAY_PREPEND(null, ARRAY[1,2,3]) and ARRAY_CAT(null,
ARRAY[1,2,3]) currently fail with a NPE :

Caused by: java.lang.NullPointerException
	at org.apache.phoenix.expression.function.ArrayModifierFunction.<init>(
	at org.apache.phoenix.expression.function.ArrayConcatFunction.<init>(
	... 51 more

> Array modification functions should require two arguments
> ---------------------------------------------------------
>                 Key: PHOENIX-4644
>                 URL:
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>            Priority: Major
>             Fix For: 4.14.0
>         Attachments: PHOENIX-4644_v1.patch
> ARRAY_APPEND, ARRAY_PREPEND, and ARRAY_CAT should require two arguments. Also, if the
second argument is null, we need to make sure not to have the entire expression return null
(but instead it should return the first argument). To accomplish this, we need to have a ParseNode
that overrides the method controlling this and ensure it's used for these functions.

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