How can i replace all values in a table with null using logstash


Lets say i have a table A and it has 5 fields and 100 rows. I need to put a filter on the whole records and replace null values with 'no data available'.

How can i do this on the whole table?


Where is the table?

i'm importing data from sql using lostash

Try the idea here How to write NULL value for a field

But the given link is restricted to only one field. Is there any configuration that can check on all fields of the table!


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