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SchemaFromExistingGraphExtractor component #355

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@stellasia stellasia commented Jun 10, 2025 •
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Description

This PR adds a new component: SchemaFromExistingGraphExtractor that builds ta GraphSchema object from an exiting database:

    with neo4j.GraphDatabase.driver(
        URI,
        auth=AUTH,
    ) as driver:
        extractor = SchemaFromExistingGraphExtractor(driver)
        schema: GraphSchema = await extractor.run()
        # schema.store_as_json("my_schema.json")
        print(schema)

It leverages the get_structured_schema function and transform its output into a GraphSchema object.

Type of Change

  • New feature
  • Bug fix
  • Breaking change
  • Documentation update
  • Project configuration change

Complexity

Complexity: Low

How Has This Been Tested?

  • Unit tests
  • E2E tests
  • Manual tests

Checklist

The following requirements should have been met (depending on the changes in the branch):

  • Documentation has been updated
  • Unit tests have been updated
  • E2E tests have been updated
  • Examples have been updated
  • New files have copyright header
  • CLA (https://neo4j.com/developer/cla/) has been signed
  • CHANGELOG.md updated if appropriate

@stellasia stellasia force-pushed the feature/schema-from-existing-graph branch 2 times, most recently from d5d230e to 61cd172 Compare June 17, 2025 11:12
@stellasia stellasia force-pushed the feature/schema-from-existing-graph branch from d9c7ee7 to 2bc1018 Compare July 7, 2025 16:26
@stellasia stellasia changed the title Feature/schema from existing graph SchemaFromExistingGraphExtractor component Jul 7, 2025
@stellasia stellasia force-pushed the feature/schema-from-existing-graph branch from 2bc1018 to ed64ce8 Compare July 31, 2025 11:26
@stellasia stellasia marked this pull request as ready for review August 21, 2025 10:03
@stellasia stellasia requested a review from a team as a code owner August 21, 2025 10:03
@stellasia stellasia force-pushed the feature/schema-from-existing-graph branch from 00fc875 to 4908b6a Compare August 21, 2025 10:03
@stellasia stellasia requested a review from oskarhane August 27, 2025 08:09
@stellasia stellasia force-pushed the feature/schema-from-existing-graph branch from 4908b6a to 35a9048 Compare August 27, 2025 14:20
oskarhane
oskarhane approved these changes Aug 28, 2025
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LGTM 🌤️

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@oskarhane oskarhane oskarhane approved these changes

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@stellasia @oskarhane