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Posted to dev@pig.apache.org by "Russell Jurney (JIRA)" <ji...@apache.org> on 2012/09/27 09:02:09 UTC

[jira] [Updated] (PIG-2910) Make toString() methods on Schema and FieldSchema be readable by Utils.getSchemaFromString()

     [ https://issues.apache.org/jira/browse/PIG-2910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Russell Jurney updated PIG-2910:
--------------------------------

    Description: 
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);

  was: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.

     Issue Type: Bug  (was: Improvement)
    
> 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: 0.10.0, 0.11, 0.10.1
>            Reporter: Russell Jurney
>            Assignee: Russell Jurney
>             Fix For: 0.11, 0.10.1
>
>
> 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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