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<title>Release Notes</title>
<body>
<section name="Release Notes - Apache MRQL 0.9.4-incubating"></section>
<h3>New Features</h3>
<ul>
<li><b>[MRQL-45]</b> Add support for Apache Flink</li>
<li><b>[MRQL-49]</b> Add Flink support info on the project web site</li>
<li><b>[MRQL-63]</b> Add support for MRQL streaming in spark streaming mode</li>
</ul>
<h3>Bugs</h3>
<ul>
<li><b>[MRQL-41]</b> Post-release improvements</li>
<li><b>[MRQL-42]</b> Fix bug in XML projections</li>
<li><b>[MRQL-44]</b> Fix the map-reduce join for a complex reducer on map-reduce mode</li>
<li><b>[MRQL-46]</b> MRQL does not build with Java 8</li>
<li><b>[MRQL-47]</b> Fix various bugs for the Flink evaluation mode</li>
<li><b>[MRQL-48]</b> Fix global variable bindings in Spark and Flink modes</li>
<li><b>[MRQL-50]</b> Fix result dumping to a text file in Flink mode</li>
<li><b>[MRQL-51]</b> Support for Spark 1.1.0</li>
<li><b>[MRQL-52]</b> Fix Flink evaluation mode to pass all Junit tests</li>
<li><b>[MRQL-53]</b> Fix processing of directories of text files in MapReduce mode</li>
<li><b>[MRQL-58]</b> Fix config file and shell run scripts to support multiple HDFS users</li>
<li><b>[MRQL-60]</b> Fix building dependencies for hadoop 1.x</li>
<li><b>[MRQL-61]</b> Fix bug on select over union queries</li>
<li><b>[MRQL-62]</b> Fix Map-Reduce mode on MultipleInput sources</li>
<li><b>[MRQL-67]</b> Fix maven build errors for JDK 1.8</li>
</ul>
<h3>Improvements</h3>
<ul>
<li><b>[MRQL-43]</b> Add support for tracing</li>
<li><b>[MRQL-54]</b> Adjust the split size of a map-reduce input file based on the number of requested nodes</li>
<li><b>[MRQL-55]</b> Add support for Hadoop Sequence input format in flink mode</li>
<li><b>[MRQL-56]</b> Improve total aggregations and repetitions with shared results in Flink mode</li>
<li><b>[MRQL-57]</b> Make floating-point literals to be double instead of float</li>
</ul>
<h3>Tasks</h3>
<ul>
<li><b>[MRQL-64]</b> Prepare for 0.9.4 release</li>
</ul>
</body>
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