evaluate
evaluate [expression]
Evaluate a JavaScript expression and return results.
arguments:​
expression
​
A javascript expression. (type: string
)
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)
--args
​
array of JSON encoded values to pass to expression as input
--cache
​
A boolean value of true/false that determines whether or not to use the cache. Generally most commands will default to true.
--checkpoint
​
Format: "{CHECKPOINT NAME}:{COLUMN}" Used to store the value of the provided column (in the first row of results) in the provided name for use as a checkpoint in scheduled queries or other stages. Can be accessed using $CHECKPOINTS.{CHECKPOINT NAME}$
--enrich
​
Enriches each result row with the previous row. The previous columns will be appended with a _previous.
--faker
​
inject faker js library in last object argument passed to expression (example "(data, { faker })=>faker)
--filter
​
A filter to run on the command results before completing the command. If not provided, no filter is run on the results.
--fresh
​
Starts the stage as if it was a fresh query, so will not use any previous result.
--guid
​
Adds a populated random guid column.
--jquery
​
inject jquery library in last object argument passed to expression (example "(data, { $ })=>$('a').html()
--labelStage
​
Used to label a stage with a user provided label.
--lodash
​
inject lodash library in last object argument passed to expression (example "(data, { })=>)
--mathjs
​
inject mathjs library in last object argument passed to expression (example "(data, { mathjs })=>mathjs)
--maxConcurrent
​
Override for the system max concurrent workers for a stage.
--randomizeHash
​
Randomizes the stage hash, even if args and flags are the same.
--stats
​
Controls if a stats calculation is run on a stage after it completes.
--table
​
A comma separated list of columns to include in the command results. If not provided, all columns will be included.
--while
​
Will rerun the stage until the provided expression is valid for the first line of results.
support​
AMI_ENTERPRISE
AMI_FREE
AMI_PRO
BINARY_ENTERPRISE
BINARY_FREE
BINARY_PRO
DESKTOP_ENTERPRISE
DESKTOP_FREE
DESKTOP_PRO
DOCKER_ENTERPRISE
DOCKER_FREE
DOCKER_PRO