---json
{
    "aliases": [
        { "path": ":docs:generator:column" }
    ],
    "page_id": "hols5gb5l4pjcnmn32luu"
}
---
====== Column Data Supplier ======


===== About =====
A ''data supplier'' defines how data is supplied to a column.


===== Syntax =====

This syntax is in a [[:docs:resource:data-definition|data definition format]] that can be used:
  * in a [[:docs:resource:generator|resource generator (aka generator)]] to define the data generated for each columns.
  * pr in the [[:docs:op:enrich|enrich operation]] to define virtual columns


<code yaml>
Columns:
  - name: columnName
  # the data supplier
    data-supplier:
      # the data supplier type
      type: sequence
      # the arguments of the data supplier type
      arguments:
        start: 3
        step: 2
        maxTick: 5
</code>

===== List =====


^ Name ^ Generator/Enrich \\ support ^ Description ^
| [[docs:generator:data-set|Data Set]] | Generator/Enrich | Generates data from a data set |
| [[docs:generator:entity|Entity]] | Generator/Enrich | Generates data from an entity data set |
| [[docs:generator:expression|Expression]] | Generator/Enrich | Supplies derived data (expression from other columns) |
| [[histogram|Histogram]] | Generator/Enrich | Generates a distribution of data |
| [[meta|Meta]] | Enrich | Add metadata from input data resources (such as file name, ...) |
| [[random|Random]] | Generator/Enrich | Generates data randomly |
| [[docs:generator:regexp|Regular Expression]] | Generator/Enrich | Generates data from a regular expression |
| [[sequence|Sequence]] | Generator/Enrich | Generates data in sequence |