Nota
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Capaian ke halaman ini memerlukan kebenaran. Anda boleh cuba menukar direktori.
Returns the unique ID of this query that does not persist across restarts. Every query that is started (or restarted from checkpoint) will have a different runId.
Returns
str
Examples
sdf = spark.readStream.format("rate").load()
sq = sdf.writeStream.format('memory').queryName('this_query').start()
sq.runId
# '...'
sq.stop()