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Is there a sql fucntion in spark sql which returns back current timestamp , example in impala NOW() is the function which returns back current timestamp is there similar in spark sql ?
Thanks
718
current_date. current_date() - Returns the current date at the start of query evaluation.
Since Spark doesn't have any functions to add units to the Timestamp, we use INTERVAL to do our job. Before we apply INTERVAL, first you need to convert timestamp column from string to TimestampType using cast. Here, first, we create a temporary table using createOrReplaceTempView() and then use this on SQL select.
Introduction to PySpark TimeStamp. PySpark TIMESTAMP is a python function that is used to convert string function to TimeStamp function. This time stamp function is a format function which is of the type MM – DD – YYYY HH :mm: ss. sss, this denotes the Month, Date, and Hour denoted by the hour, month, and seconds.
Try current_timestamp function.
current_timestamp() - Returns the current timestamp at the start of query evaluation. All calls of current_timestamp within the same query return the same value.
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