CDM Source
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Description
How to populate the cdm_source table if the data is derived from multiple data feeds.
CDM or THEMIS convention?
CDM
Table or Field level?
Table
Is this a general convention?
Yes
Summary of issues
Populating cdm_source if the data is derived from multiple data feeds.
Summary of answer
If a source database is derived from multiple data feeds, the integration of those disparate sources is expected to be documented in the ETL specifications. The source information on each of the databases can be represented as separate records in the CDM_SOURCE table. Currently, there is no mechanism to link individual records in the CDM tables to their source record in the CDM_SOURCE table.
Related links
https://www.ohdsi.org/web/wiki/doku.php?id=documentation:cdm:cdm_source
Other comments/notes
NA
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the issue's description of the CDM_SOURCE table and review the linked CDM_SOURCE documentation. Compare the stated multi-feed convention with the current documentation and ETL specifications; done means the convention and any limitation on linking CDM records to source records are documented clearly.
Written by the indexing model from the issue text.
Assessment
- Domain
- databases, documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100