Ergonode docs
Incremental import
Basic concepts behind the format in terms of importing data
Importing data via provided import files is incremental.
It means that only present-in-the-file data is changed and the rest is not modified. Consider following:
  • translation data is changed only in languages provided in the file (column _language)
  • if a column is not present corresponding resource property is left unmodified
  • if a Product attribute column is not present values for this attributes are not changed
  • if a translation column is present and has an empty value the translation value shall be deleted
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