sqlancer.postgres.gen.PostgresNotifyGenerator Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sqlancer Show documentation

SQLancer finds logic bugs in Database Management Systems through automatic testing

There is a newer version: 2.0.0

package sqlancer.postgres.gen;

import sqlancer.Randomly;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.postgres.PostgresGlobalState;

public final class PostgresNotifyGenerator {

    private PostgresNotifyGenerator() {
    }

    private static String getChannel() {
        return Randomly.fromOptions("asdf", "test");
    }

    public static SQLQueryAdapter createNotify(PostgresGlobalState globalState) {
        StringBuilder sb = new StringBuilder();
        sb.append("NOTIFY ");
        sb.append(getChannel());
        if (Randomly.getBoolean()) {
            sb.append(", ");
            sb.append("'");
            sb.append(globalState.getRandomly().getString().replace("'", "''"));
            sb.append("'");
        }
        return new SQLQueryAdapter(sb.toString());
    }

    public static SQLQueryAdapter createListen() {
        StringBuilder sb = new StringBuilder();
        sb.append("LISTEN ");
        sb.append(getChannel());
        return new SQLQueryAdapter(sb.toString());
    }

    public static SQLQueryAdapter createUnlisten() {
        StringBuilder sb = new StringBuilder();
        sb.append("UNLISTEN ");
        if (Randomly.getBoolean()) {
            sb.append(getChannel());
        } else {
            sb.append("*");
        }
        return new SQLQueryAdapter(sb.toString());
    }

}