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Hive Developer FAQ

Mavenization is pending

Until HIVE-5610 is closed the maven commands below will not work. Afterwards the ant commands should be removed.

Testing

How do I run all of the unit tests?

Make sure that your JAVA_HOME is appropriately set (some tests need this), and set ANT_OPTS to increase the size allocated to the Permanent Generation as per the following:

export ANT_OPTS="-XX:MaxPermSize=512m"
export MAVEN_OPTS="-Xmx2g -XX:MaxPermSize=256M"

Then, for a clean build, run

ant clean package test

MVN:

mvn test
cd itests 
mvn test

Note that running ant test will not work; ant package does some setup work that is required for the testcases to run successfully.

MVN: Note that you need to have previously built and installed the jars:

mvn clean install -DskipTests
cd itests 
mvn clean install -DskipTests

How do update the output of a CliDriver testcase?

ant test -Dtestcase=TestCliDriver -Dqfile=alter1.q -Doverwrite=true

MVN:

cd itests/qtest
mvn test -Dtest=TestCliDriver -Dqfile=alter1.q -Dtest.output.overwrite=true

As of Hive 0.11.0+ you can cut this time in half by specifying that only the ql module needs to rebuild

ant test -Dmodule=ql -Dtestcase=TestCliDriver -Dqfile=alter1.q -Doverwrite=true

How do I run the clientpositive/clientnegative unit tests?

All of the below require that you have previously run ant package.

To run clientpositive tests

ant -Dtestcase=TestCliDriver test

MVN:

cd itests/qtest
mvn test -Dtest=TestCliDriver

To run a single clientnegative test alter1.q

ant -Dtestcase=TestNegativeCliDriver -Dqfile=alter1.q test

MVN:

cd itests/qtest
mvn test -Dtest=TestNegativeCliDriver -Dqfile=alter1.q

To run all of the clientpositive tests that match a regex, e.g. the partition_wise_fileformat tests

ant -Dtestcase=TestCliDriver -Dqfile_regex=partition_wise_fileformat.* test

MVN:

cd itests/qtest
mvn test -Dtest=TestCliDriver -Dqfile_regex=partition_wise_fileformat.*

To run a single contrib test alter1.q and overwrite the result file

ant -Dtestcase=TestContribCliDriver -Dqfile=alter1.q -Doverwrite=true test

MVN:

cd itests/qtest
mvn test -Dtest=TestContribCliDriver -Dqfile=alter1.q -Dtest.output.overwrite=true

To run a single test groupby1.q and output detailed information during execution

ant -Dtestcase=TestCliDriver -Dqfile=groupby1.q -Dtest.silent=false test

As of Hive 0.11.0+ you can cut down the total build time by specifying that only the ql module needs to rebuild. e.g. run all the partition_wise_fileformat tests

ant -Dmodule=ql -Dtestcase=TestCliDriver -Dqfile_regex=partition_wise_fileformat.* test

How do I publish hive artifacts to my local maven repository?

ant package
ant -Dmvn.publish.repo=local maven-build
ant -Dmvn.publish.repo=local maven-publish

MVN:

mvn clean install -DskipTests
cd itests 
mvn clean install -DskipTests
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