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https://issues.apache.org/jira/browse/PIG-972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874359#action_12874359
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Aniket Mokashi commented on PIG-972:
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Describe functionality-
1. We describe schema for an alias when we parse the describe statement in the
shell.
For example - b = foreach ... {... describe a ...}; will describe schema of a
after the statement is processed (parsed).
2. We do NOTdescribe any schema as part of the dump command.
3. If user needs to describe a nested schema, he can do so by describing parent
alias.
For example, describe b; will print the schema of b as well as a.
Any comments?
> Make describe work with nested foreach
> --------------------------------------
>
> Key: PIG-972
> URL: https://issues.apache.org/jira/browse/PIG-972
> Project: Pig
> Issue Type: Improvement
> Reporter: Olga Natkovich
> Assignee: Aniket Mokashi
> Fix For: 0.8.0
>
>
> Currently Parser can't deal with that. This is because describe is part of
> Grunt parser while the rest of nested foreach is handled by the QueryParser
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