diff
diff [cellar file name] [optionalColumn1 ... optionalColumnN]
Diffs the incoming results against a previously frozen set of results in the cellar (if the file does not exist in the cellar, a new one will be created). This command can use flags to control overwriting the cellar comparison file to include new entries, and/or remove old entries.
arguments:
cellar file name
The name of a cellar file containing the diff (if the file does not exist in the cellar, a new one will be created). (type: string)
optionalColumnN
An optional set of one more columns to use to contruct the diff, by default all columns will be used. (type: string)
examples:
Query
seed '[{"key": "value"}]'
|| diff my_diff key --update
Results prior to diff stage:
| key |
|---|
| value |
Results after diff stage:
| key |
|---|
| value |
flags:
--add
When true, the diff file will be updated to add new entries from the pipeline results.
--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)
--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 $CHECKPOINTS.{CHECKPOINT NAME}$
--filter
A filter to run on the command results before completing the command. If not provided, no filter is run on the results.
--guid
Adds a populated random guid column.
--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.
--table
A comma separated list of columns to include in the command results. If not provided, all columns will be included.
--update
When true, the diff file will be updated to add new entries from the pipeline results and remove old entries that do not exist in the pipeline results.
support
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