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Data Engineering
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Enhancement Request: Add Additional context to DLT MERGE Error Messages.

Chris_sh
New Contributor II

In Delta Live tables I ran into a situation where the Schema in the source system showed as an integer but the DLT table had already inferred the schema during a prior pull as a string. This caused a merge conflict and the pipeline failed to run.

Chris_sh_0-1700065912917.png

This error provided a column name as the source of the issue but didn't provide a table name so I had 50 potential tables that could contain the column that might be causing the issue. This should have stated which table contained the issue. Since the issue happened during "Setting Up Tables" A graph was never rendered so it was impossible to see the issue.

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