Forum Post: RE: SAVE-ROW-CHANGES / PREFER-DATASET / MERGE-BY-FIELD

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romelwell

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If the data in the data source has changed, the AVM saves the ProDataSet buffer changes based on the current PREFER-DATASET attribute setting. When PREFER-DATASET is TRUE, the AVM copies the data from ProDataSet buffer or field to the data source regardless of any changes made to the data in the data source since the data was read. When PREFER-DATASET is FALSE, the AVM does not copy the data from the ProDataSet buffer or field to the data source. The AVM copies the conflicting data from the data source to the ProDataSet buffer or field, instead, and sets the ERROR attribute and DATA-SOURCE-MODIFIED attribute to TRUE.

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