Category Archives: java

Format SQL or PL/SQL directly in Oracle database

Posted on by Posted in java, oracle, PL/SQL, SQL, SQL*Plus, SQL*PLus tips 2,957 Page views Leave a comment

Obviously we can format/beautify SQL or PL/SQL code using external tools, but sometimes it would be more convenient to format it directly in database, for example if we want to see few different sql_text’s from v$sqlarea. And thanks to Oracle SqlCL and Oracle SQL Developer, we can easily use oracle.dbtools.app.Format function from their Java library dbtools-common.jar, so if you use SqlCL or SQL Developer, you can use the same formatting options.

1. load appropriate java library into Oracle

You may have already installed SQLDeveloper or SqlCL on your database server, just check $ORACLE_HOME/sqldeveloper or $ORACLE_HOME/sqcl directories. If – not, you need to download appropriate SqlCL version that matches your java version in Oracle. For 12.2 – 19.8 you can download latest SqlCL 20.3. In fact we need just dbtools-common.jar from lib directory. I put it into $ORACLE_HOME/sqlcl/lib directory on the server and load it using loadjava:

Continue reading→

Android Oracle Client 2.0

Posted on by Posted in Android, java, oracle, SQL 1,784 Page views Leave a comment

I’ve just released new version of my Simple Android Oracle Client.

New features:

  • Supported Oracle versions: 11.2, 12.1, 12.2, 18, 19, 20.
  • SQL Templates: now you can save and load own script templates
  • Server output (dbms_output)
  • Export results as JSON, CSV and HTML files (long tap on results)
  • Copy results to the Clipboard as JSON or CSV

I use it just for basic troubleshooting and small fixes, but, please, let me know if you need anything else.
Screenshots:

Maven: how to copy files after a build into several distribution directories

Posted on by Posted in java 3,072 Page views Leave a comment

Sometimes it is convenient to copy jar-files automatically after a build into several different directories, for example if you have different config files for local tests and for office test server, then you may want to copy these files into local test directory, internal office test server and public distribution directory.
This short part of pom.xml contains 2 different methods to build UBER-JAR and copying them into 3 different directories: localtest, officetest and public

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.6</version>
                <configuration>
                    <archive>
                        <manifest>
                            <mainClass>tv.tmd.YourMainClass</mainClass>
                        </manifest>
                        <manifestEntries>
                            <Class-Path>.</Class-Path>
                        </manifestEntries>
                    </archive>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
                <executions>
                    <execution>
                        <id>make-assembly</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>2.4.3</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <transformers>
                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <manifestEntries>
                                        <Main-Class>tv.tmd.YourMainClass</Main-Class>
                                        <Build-Number>2</Build-Number>
                                    </manifestEntries>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <artifactId>maven-antrun-plugin</artifactId>
                <version>1.8</version>
                <executions>
                    <execution>
                        <id>copy</id>
                        <phase>package</phase>
                        <configuration>
                            <target>
                                <echo>ANT TASK - copying files....</echo>
                                <copy todir="${basedir}/distribution/localtest" overwrite="true" flatten="true">
                                    <fileset dir="${basedir}" includes="*.bat" >
                                        <include name="*.bat" />
                                        <include name="ReadME.*" />
                                        <include name="target/*.jar" />
                                    </fileset>
                                </copy>

                                <copy todir="${basedir}/distribution/officetest" overwrite="true" flatten="true">
                                    <fileset dir="${basedir}" includes="*.bat" >
                                        <include name="*.bat" />
                                        <include name="ReadME.*" />
                                        <include name="target/*.jar" />
                                    </fileset>
                                </copy>

                                <copy todir="${basedir}/distribution/public" overwrite="true" flatten="true">
                                    <fileset dir="${basedir}" includes="*.bat" >
                                        <include name="*.bat" />
                                        <include name="ReadME.*" />
                                        <include name="target/*.jar" />
                                    </fileset>
                                </copy>
                            </target>
                        </configuration>
                        <goals>
                            <goal>run</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>