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Description
We don't support agg over table in offline mode, only online mode supports.
So if user wants to get offline data count, it's hard to do. Now user can run it on spark-shell/pyspark.
But if user can't prepare the spark env, it's better to enable sparksql in openmldb.
pass --spark_conf with option spark.openmldb.sparksql
P.S. user should know that not all openmldb sql can be run on spark engine.