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https://issues.apache.org/jira/browse/PIG-2910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473535#comment-13473535
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Thejas M Nair commented on PIG-2910:
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Yes, The changes in 2910-3 patch look good. Can you please add a test case, and
also add a comment that this schema string has "{}" around it, and that is why
the substring is being done ?
> Make toString() methods on Schema and FieldSchema be readable by
> Utils.getSchemaFromString()
> --------------------------------------------------------------------------------------------
>
> Key: PIG-2910
> URL: https://issues.apache.org/jira/browse/PIG-2910
> Project: Pig
> Issue Type: Bug
> Components: impl, parser
> Affects Versions: 0.9.2, 0.10.0, 0.11, 0.10.1
> Reporter: Russell Jurney
> Assignee: Thejas M Nair
> Labels: newbie
> Fix For: 0.11, 0.10.1
>
> Attachments: PIG-2910-1.patch, PIG-2910-2.patch, PIG-2910-3.patch
>
>
> I want to toString() schemas and send them to the backend via UDFContext. At
> the moment this requires writing your own toString() method that
> Utils.getSchemaFromString() can read. Making a readable schema for the
> backend would be an improvement.
> I spoke with Thejas, who believes this is a bug. The workaround for the
> moment is, for example:
> String schemaString = inputSchema.toString().substring(1,
> inputSchema.toString().length() - 1);
> // Set the input schema for processing
> UDFContext context = UDFContext.getUDFContext();
> Properties udfProp = context.getUDFProperties(this.getClass());
> udfProp.setProperty("horton.json.udf.schema", schemaString);
> ...
> schema = Utils.getSchemaFromString(strSchema);
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