SQL transforms LAG or LEAD
in APIs
I tried LAG function in mySQL transform, but it appered to be missing. Is this correct?
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Domo uses MySQL 5.6+
@VERSION for the exact version number.
This version of MySQL predates the implementation of Windowed functions.
You can recreate it using user defined variables.
https://stackoverflow.com/questions/3333665/rank-function-in-mysql
Without performance tuning in MySQL, you'll probably get faster performance using MagicETL if you start using larger datasets.
Jae Wilson
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If you create a Redshift transform instead of SQL, you can use LAG. I was shown how to create a Redshift dataflow to get active clients by month using start and end date on the client record.
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