Extend a Schema

• Step 1: Fetch selected schema
• Step 2: Extend schema
• Step 3: Register new schema

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Step 1: Fetch selected schema

First of all the choosen schema has to be stored locally. If the schema is already registered in the MetaStore please click on the edit icon in the chosen row. Go to ‘Schema Document’ tab and edit the schema due to your needs.

Example

Add the missing fields to the schema and mark them as ‘required’. Extend previous schema with a mandatory ‘abstract’ entry this would look like this:

{
    "$schema": "http://json-schema.org/draft-07/schema",
    "$id": "http://example.com/example.json",
    "type": "object",
    "title": "The root schema",
    "description": "The root schema comprises the entire JSON document.",
    "default": {},
    "examples": [
        {
            "author": "Last Name, First Name",
            "title": "My first document",
            "creation_date": "2022-04-11"
        }
    ],
    "required": [
        "author",
        "title",
        "creation_date"
    ],
    "properties": {
        "author": {
            "$id": "#/properties/author",
            "type": "string",
            "title": "Author:",
            "description": "The person who wrote the document.",
            "default": "",
            "examples": [
                "Last Name, First Name"
            ]
        },
        "title": {
            "$id": "#/properties/title",
            "type": "string",
            "title": "Title:",
            "description": "The title of the document.",
            "default": "",
            "examples": [
                "My first document"
            ]
        },
        "creation_date": {
            "$id": "#/properties/creation_date",
            "type": "string",
            "title": "Creation Date:",
            "description": "Creation date in the format 'YYYY-MM-DD'.",
            "default": "2022-01-01",
            "examples": [
                "2022-04-11"
            ]
        },
        "note": {
            "$id": "#/properties/note",
            "type": "string",
            "title": "Additional note:",
            "description": "Add some additional notes here. (optional)",
            "default": ""
        }
    },
    "additionalProperties": false
}

Step 2: Create new schema

Register new version of schema by submitting it.

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