redpanda-data / redpanda-data/connect

[Feature Request] Support inserting UUID from string in cassandra

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enhancement needs investigation ux
Dominant language
Go
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Avg merge
1d 13h
Merged PRs (30d)
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Description

  - output:
      cassandra:
        addresses: [ "localhost:9042" ]
        query: "insert into tableX (property1, property2, property3, property4, property5) VALUES (?, ?, ?, ?, ?)"
        args_mapping: |
          root = [
            this.prop1,
            this.prop2,
            this.prop3,
            this.prop4,
            this.prop5
          ]

If the table im inserting into has uuid types, can this type be supported in the args mapping? Currently this does not appear to be the case.

if i manually insert into scylladb this:

VALUES (00000000-0000-0000-0000-000000000000, etc..

it inserts correctly, but with quotes:

VALUES ('00000000-0000-0000-0000-000000000000'

we get this error:

message="Invalid STRING constant (00000000-0000-0000-0000-000000000000) for "object_id" of type uuid"

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by running the shown Cassandra output configuration against ScyllaDB and inspect how args_mapping values are passed to UUID columns. Trace the Cassandra output implementation and its argument conversion path; done means a UUID supplied as a string is accepted without the invalid STRING constant error.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
databases
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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