gremlin delete all vertices

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gremlin delete all vertices

Hi,

How to delete all vertices with gremlin query?

I am using JanusGraph as Graph Database server. I have to delete all vertices from gremlin cosole. This is required in development machine.

What is the command to delete all vertices with gremlin query?

Thanks

View Answers

December 13, 2018 at 5:32 AM

Hi,

Gremlin query provides the methods to delete all vertices in the database.

To delete all vertices with gremlin query you can use following command:

g.V().drop().next()

Above gremlin query will delete all vertices in the database.

But you should run this query with care and it will delete all your graph data.

Thanks


February 12, 2019 at 10:47 PM

Hi,

Thanks for your example. I am able to delete all vertices with the help of gremlin query.

Before deleting you must rollback all previous transactions:

g.tx().rollback()

One more thin: After deleting all vertices with the command:

g.V().drop().next()

You must commit the transaction with following command:

g.tx().commit()

or with this command:

graph.tx().commit()

This will commit all the delete to back-end database.

Thaks

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