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migrate_default_if_no_stored_value

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This module provides a migration processing plugin that will allow you to set a fields default value ONLY if a value does not already exist on the destination node.

One problem we encountered at OHSU was that while we wanted a "default_value" for a particular field, it was aggressively setting that default value if we ever ran a migration with the update flag.

We were unable through searching to determine a way to use core migrate or migrate plus to accomplish this task, and so this module has come to exist.

Usage Use:

Check out the example below. You will place an equivalent in your migrations configuration YML file, for processing a field.

field_prof_provider_type:
    plugin: default_if_no_stored_value
    default_value: Specialist
    entity_type: node
    bundle: profile

Configuration Variables:

default_value - The value you wish to assign if no value is present on the destination
entity_type - The entity type you wish to upload. Currently only "node" is supported
bundle - The entity type bundle you wish to load.

Activity

Total releases

1

First release

Apr 2025

Latest release

11 months ago

Release cadence

—

Stability

100% stable

Releases

Version	Type	Release date
1.1.0	Stable	Apr 21, 2025