Change ghost record numeric defaults and add ghost record numeric values variables

[tkiehn]

Description

Change ghost record numeric defaults

The default values for numeric ghost records have been changed from 0 for unknown values and -1 for error values to -1 for unknown values and -2 for error values

Add ghost record numeric values variables

A global variable has been added that allows the changing of the numeric values for ghost records by the users

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• I have performed a self-review of my code
• I have made corresponding changes to the documentation or included information that needs updates (e.g. in the Wiki)

[remoteworkflow]

Link to workflow summary: https://github.com/ScalefreeCOM/datavault4dbt-ci-cd/actions/runs/10716132579

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RESULTS for Synapse:
✅ dbt-tests
✅ dbt-macro-tests

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RESULTS for Postgres:
✅ dbt-tests
✅ dbt-macro-tests

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RESULTS for BigQuery:
✅ dbt-tests
✅ dbt-macro-tests

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RESULTS for Redshift:
✅ dbt-tests
✅ dbt-macro-tests

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RESULTS for Snowflake:
✅ dbt-tests
✅ dbt-macro-tests

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RESULTS for Exasol:
❌ dbt-tests
✅ dbt-macro-tests