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extract

extract [column]

Extracts keys and values from the provided column containing stringified JSON

arguments:​

column​

The column to extract from (should contain stringified JSON). (type: string)

examples:​

Query​

echo '{"key": "value"}'
|| extract echo

Results prior to extract stage:​

key

| {"key": "value"}

Results after extract stage:​

key
value

flags:​

--appendStage​

Used to append the results from a previous stage to the current stage. (provide a label, stage index, or boolean true to append the previous results)

--attributes​

A comma separated list of attributes to include in the command results. If not provided, all attributes will be included.

--cache​

A boolean value of true/false that determines whether or not to use the cache. Generally most commands will default to true.

--filter​

A filter to run on the command results before completing the command. If not provided, no filter is run on the results.

--labelStage​

Used to label a stage with a user provided label.

--stats​

Controls if a stats calculation is run on a stage after it completes.