Metadata Schema

Top-level Fields

Field	Type	Description
columns	array	List of column definitions

Field	Type	Description	Example
name	string	Column name	email
dataType	string	Column type	string
nullable	boolean	Whether null allowed	true
comment	string	Column description	Customer email

{ "columns": [ { "name": "id", "dataType": "integer", "nullable": false }, { "name": "email", "dataType": "string", "nullable": true } ] }

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