Run an extract conditionally?

tableaucommunity@tableau.com — Mon, 21 Jul 2014 14:35:57 GMT

Is it possible to only run an extract if a certain condition is met?

We had issues where an extract refresh ran just as a table was being refreshed by something else, resulting in incomplete data or other similar problems. An obvious solution would be for whatever is updating the data in that table to set a flag of some sort saying "don't extract, working on it", or trigger the extract refresh itself when it's done. So is it possible to set Tableau to check something, whatever, the value of a field in a table, the contents of a file, anything, and only run the extract if...? And I mean Tableau Server, not on command line. I am aware that tabcmd can 'refreshextracts' on demand, that's one solution. Can it be done without access to the command line though? Or is there maybe an API way of triggering an extract refresh on the server?

How can I find the current value of a configuration variable in Tableau?

tableaucommunity@tableau.com — Thu, 17 Jul 2014 06:20:35 GMT

For example, I want to find out what backgrounder.querylimit is set to in the currently running process.

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Run an extract conditionally?

How can I find the current value of a configuration variable in Tableau?