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Getting the Driver

This section describes the steps you need to take before you can write or run programs that use the JDBC interface.

Precompiled versions of the driver can be downloaded from the PostgreSQL® JDBC web site .

Alternatively you can build the driver from source, but you should only need to do this if you are making changes to the source code. To build the JDBC driver, you need gradle and a JDK (currently at least jdk1.8).

If you have several Java compilers installed, maven will use the first one on the path. To use a different one set JAVA_HOME to the Java version you wish to use. For example, to use a different JDK than the default, this may work:

 JAVA_HOME=/usr/local/jdk1.8.0_45

To compile the driver simply run gradlew assemble or gradlew build if you want to run the tests in the top level directory.

NOTE

If you want to skip test execution, add the option -DskipTests. The compiled driver will be placed in pgjdbc/build/libs/postgresql-MM.nn.pp.jar

Where MM is the major version, nn is the minor version and pp is the patch version. Versions for JDBC3 and lower can be found here

This is a very brief outline of how to build the driver. Much more detailed information can be found on the github repo

Even though the JDBC driver should be built with Gradle, for situations, where use of Gradle is not possible, e.g., when building pgJDBC for distributions, the pgJDBC Gradle build provides a convenience source release artifact *-src.tar.gz - a Maven-based project. The Maven-based project contains a version of the JDBC driver with complete functionality, which can be used in production and is still validly buildable within the Maven build environment.

The Maven-based project is created with gradlew -d :postgresql:sourceDistribution -Prelease -Psigning.gpg.enabled=OFF. The produced *-src.tar.gz can be then found in pgjdbc/build/distributions/ directory. JDBC driver can be built from the Maven-based project with mvn package or, when the tests are to be skipped, with mvn -DskipTests package.

Source files *-src.tar.gz’s are released in the Maven central repository .