Chapter 2. Setting up the JDBC Driver

Table of Contents

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

Getting the Driver

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. This will build 3 versions of the driver; pgjdbc, pgjdbc-jre7, and pgjdbc-jre6 The compiled driver will be placed in pgjdbc/build/libs/postgresql-MM.nn.pp.jar , pgjdbc-jre7/build/libs/postgresql-MM.nn.pp.jar and pgjdbc-jre7/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

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Chapter 1. Introduction		Setting up the Class Path