Ivan Leskin commented on HAWQ-1605:

All the features mentioned have already been implemented. The code is available 
at github: [https://github.com/apache/incubator-hawq/pull/1353].

> Support INSERT in PXF JDBC plugin
> ---------------------------------
>                 Key: HAWQ-1605
>                 URL: https://issues.apache.org/jira/browse/HAWQ-1605
>             Project: Apache HAWQ
>          Issue Type: Improvement
>          Components: PXF
>            Reporter: Ivan Leskin
>            Assignee: Ed Espino
>            Priority: Major
> Add support of INSERT queries in PXF JDBC plugin:
>  * Implement `WriteAccessor` and `WriteResolver` interfaces. Both are 
> implemented in the same classes as `ReadAccessor` and `ReadResolver`;
>  * Support query batching in Accessor. The size of a batch is defined by user 
> and may be "infinite";
>  * In Accessor, use `java.sql.PreparedStatement` and built-in functions in it 
> to process queries;
>  * In `setFields()` method of Resolver, perform type conversions of the data 
> tuples received from PXF.
> Optimize and refactor the code in PXF JDBC plugin, make some fixes:
>  * Make functions for building WHERE statements static where possible to 
> reduce the number of InputData checks;
>  * Organize imports;
>  * Check the codestyle;
>  * Fix the handling of TIMESTAMP values when performing SELECT requests.
> Improve documentation:
>  * Correct or rewrite Javadoc strings for plugin functions;
>  * Rewrite README.md.

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