September 2024
Intermediate to advanced
322 pages
8h 53m
German
Content preview from Trino: Der endgültige Leitfaden, 2. Auflage
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Kapitel 3. Trino verwenden
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Herzlichen Glückwunsch! In den vorherigen Kapiteln hast du Trino kennengelernt und erfahren, wie du es installierst, konfigurierst und startest. Jetzt kannst du es benutzen.
Trino Kommandozeilen-Schnittstelle
Die Trino-Befehlszeilenschnittstelle(CLI) bietet eine terminalbasierte, interaktive Shell zum Ausführen von Abfragen und zur Interaktion mit dem Trino-Server, um dessen Metadaten zu prüfen.
Erste Schritte
Genau wie der Trino-Server selbst, werden die Trino CLI-Binärdateien über das Maven Central Repository verteilt. Die CLI-Anwendung ist als ausführbare JAR-Datei verfügbar, sodass du sie wie eine normale Unix-Datei verwenden kannst.
Du kannst die Liste der verfügbaren Versionen unterhttps://repo.maven.apache.org/maven2/io/trino/trino-cli einsehen.
Finde die Version des CLI, die mit der Version des Trino-Servers identisch ist, die du verwendest, oder eine neuere Version. Lade die Datei *-executable.jar aus dem versionierten Verzeichnis herunter und benenne sie um in trinozum Beispiel mit wget und Version 392:
$ wget -O trino\https://repo.maven.apache.org/maven2/\io/trino/trino-cli/392/trino-cli-392-executable.jar
Achte darauf, dass die Datei als ausführbar eingestellt ist. Mach sie der Einfachheit halber auf PATHverfügbar, indem du sie z. B. nach ~/bin kopierst und diesen Ordner zu PATH hinzufügst:
$ chmod +x ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.