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SQLLine HOWTO

Branding

Capitalization is tricky:

  • The project (and the program in general) is called "SQLLine";
  • The main Java class is called "SqlLine"; other classes are in CamelCase also;
  • The shell scripts are called "sqlline" and "sqlline.bat";
  • Nothing is called "SQLline".

How to make a release (for committers)

Make sure mvn clean install, mvn site, and mvn javadoc:javadoc javadoc:test-javadoc pass under JDK 8, 9, 10, 11, 12, and 13.

Write release notes. Run the relNotes script and append the output to HISTORY.md.

Update version numbers in README, README.md, src/docbkx/manual.xml, and the copyright date in NOTICE.

Switch to JDK 13.

Check that the sandbox is clean:

git clean -nx
mvn clean

Prepare:

export GPG_TTY=$(tty)
mvn -Prelease -DreleaseVersion=x.y.0 -DdevelopmentVersion=x.(y+1).0-SNAPSHOT release:prepare

Perform:

mvn -Prelease -DskipTests release:perform

Stage the release:

  • Go to https://oss.sonatype.org and log in.
  • Under "Build Promotion", click on "Staging Repositories".
  • Select the line "sqlline-nnnn", and click "Close". You might need to click "Refresh" a couple of times before it closes.

Start a vote by sending an email with subject "[VOTE] Release sqlline-X.Y.0 (release candidate N)" to sqlline-dev. Borrow the text from a previous vote

If the vote is successful, send an email with subject "[RESULT] [VOTE] Release sqlline-X.Y.0 (release candidate N)".

Publish the release:

  • Go to https://oss.sonatype.org and log in.
  • Under "Build Promotion", click on "Staging Repositories".
  • Select the line "sqlline-nnnn", and click "Release".

Wait a couple of hours for the artifacts to appear on Maven central, and announce the release.

Update the github release list.

Publish the site:

git checkout branch-version-x.y
mvn package
mv target/docbkx/html/manual.html docs
git add docs/manual.html
rm -rf docs/apidocs
mv target/apidocs docs
git add docs/apidocs
git commit
git push

Cleaning up after a failed release attempt (for committers)

# Make sure that the tag you are about to generate does not already
# exist (due to a failed release attempt)
git tag

# If the tag exists, delete it locally and remotely
git tag -d sqlline-X.Y.Z
git push origin :refs/tags/sqlline-X.Y.Z

# Remove modified files
mvn release:clean

# Check whether there are modified files and if so, go back to the
# original git commit
git status
git reset --hard HEAD

Running SQLLine inside IntelliJ IDEA's console on Windows

On Windows 10, SQLLine ignores user input in IDEA's Run/Debug Console. When you type the command then hint <Enter>, SQLLine does not respond. (This is logged as [SQLLINE-80].)

The problem is caused by the compatibility between Jline2 and IDEA. IDEA's console is a non-standard console and is poorly supported by Jline. Jline uses a JNI call to get Console or Terminal information.

Even Jline3 does not work much better. While SQLLine still uses JLine2, the best workaround is to use a launcher that sets terminal options, as follows:

public class LaunchSqlline {
  public static void main(String[] args) {
    try {
      List<String> stringList = new LinkedList<>();
      stringList.add("-d org.apache.phoenix.queryserver.client.Driver");
      stringList.add("-u 'jdbc:phoenix:thin:url=http://localhost:8765'");
      stringList.add("-n none");
      stringList.add("-p none");
      stringList.add("--incremental=false");
      stringList.add("--isolation=TRANSACTION_READ_COMMITTED");
/*
      // Read [SQLLINE-80] to see why maxWidth must be set
      stringList.add("--maxWidth=160");
      stringList.add("--maxHeight=2000");
      stringList.add("--color=true");
*/

      // Add this line, the Console should respond to your command
      jline.TerminalFactory.registerFlavor(
          jline.TerminalFactory.Flavor.WINDOWS,
          UnsupportedTerminal.class);

      String join = StringUtils.join(stringList, " ");
      String[] argsGiven = join.split(" ");

      SqlLine.main(argsGiven);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}