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https://issues.apache.org/jira/browse/PIG-1244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates updated PIG-1244:
----------------------------
Assignee: Xuefu Zhang
Fix Version/s: 0.9.0
Priority: Minor (was: Major)
> parameter syntax in scripts, add support for ${VAR} (in addition to current
> $VAR)
> ---------------------------------------------------------------------------------
>
> Key: PIG-1244
> URL: https://issues.apache.org/jira/browse/PIG-1244
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Environment: all
> Reporter: Alejandro Abdelnur
> Assignee: Xuefu Zhang
> Priority: Minor
> Fix For: 0.9.0
>
>
> Currently parameter syntax in pig scripts is $VAR.
> This complicates scripts as parameter-literal concatenation is not supported.
> For example:
> An occurrence of '$OUT_tmp' in a script resolves to a parameter 'OUT_tmp', it
> would be desirable this to resolve to a contactenation of $OUT&_tmp
> This can be solved by supporting parameter syntax ${VAR}, so the pig parser
> can identify the end of the parameter name.
> Adding support for ${VAR} syntax in addition of $VAR would maintain backwards
> compatibility. Changing to syntax ${VAR} syntax will break backwards
> compatibility.
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