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https://issues.apache.org/jira/browse/PIG-2879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gianmarco De Francisci Morales updated PIG-2879:
------------------------------------------------
Assignee: Eli Reisman
Status: Open (was: Patch Available)
Hi Eli, thanks for the patch.
A few comments.
To properly handle the exception you should use warn.
{code}
warn("Error message " + e.getMessage(), PigWarning.UDF_WARNING_1);
{code}
You should also override outputSchema.
{code}
@Override
public Schema outputSchema(Schema input) {
return new Schema(new Schema.FieldSchema(null, DataType.BOOLEAN));
}
{code}
You should check for null also "argument" and "testAgaints".
All the rest looks good.
I will commit once these issues have been addressed.
> Pig current releases lack a UDF startsWith.This UDF tests if a given string
> starts with the specified prefix.
> --------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2879
> URL: https://issues.apache.org/jira/browse/PIG-2879
> Project: Pig
> Issue Type: New Feature
> Components: piggybank
> Affects Versions: 0.10.0
> Reporter: Anuroopa George
> Assignee: Eli Reisman
> Labels: features, patch
> Attachments: PIG-2879-1.patch, PIG-2879-2.patch, PIG-2879-3.patch
>
>
> Pig current releases lack a UDF startsWith.This UDF tests if a given string
> starts with the specified prefix.This UDF returns true if the character
> sequence represented by the string argument given as a prefix is a prefix of
> the character sequence represented by the given string; false otherwise.Also
> true will be returned if the given prefix is an empty string or is equal to
> the given String.
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