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dinkar's avatar
dinkar
New Contributor
2 years ago

Need all the columns pipeline using expression in mapper snap.

when we use $.keys() below image which is showing list of columns for all the records which leads to performance issue (for example we have 1 lakh records, it will check for all 1 lakh records) ... N...
SpiroTaleski's avatar
SpiroTaleski
Valued Contributor
2 years ago
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dinkar 

Instead of going for all the rows, using the Head snap you will be able to get only first row and then get all the columns using keys() function.