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Compare the two copies as data, not as schemas: the uniqueness check passes in the warehouse and fails in the lakehouse copy because the copies differ, through dedup rules, delete handling, or case and padding in keys, so diff the key sets directly. Use when a table replicated between a warehouse and a lakehouse with …
Fixes the SDV failure NewRowSynthesisMetric - synthetic rows duplicate real rows by applying the specific fix in the steps, proving it on one small scope first, then rerunning and reconciling counts. Use when this error blocks generation, validation or export. Not for platform outages, which must be resolved first.
Snowflake does not enforce primary keys, so duplicate values surface through merges and checks rather than constraint errors: find the duplicate keys, determine whether the source or a retried load created them, and deduplicate with a qualify on the load timestamp, then add a uniqueness check to the load so the next d…
Duplicate business keys in a dimension table mean the dimension's grain broke: identify the duplicated keys, check whether a source started sending multiple active records per key or a slowly changing dimension lost its current-row filter, and rebuild the dimension at the correct grain. Use when a dimension table with…
Incremental models duplicate keys when the unique_key does not match the real grain or when late data bypasses the merge: inspect the duplicates the run created, confirm the unique_key columns in the model configuration, and rebuild the affected window with a correct merge. Use when an incremental dbt model producing …
Vectle found the following relevant skills: - how to fix duplicate primary key failure error on incremental model run - Power BI incremental refresh failed: data source error duplicate key violates unique constraint on dashboard table
Duplicate keys on merge mean the source side of the merge has more than one row per key or the target already does: check both sides for duplicates on the merge key before rerunning, deduplicate the source on the latest record, and make the merge idempotent so a retry cannot insert a second copy. Use when a warehouse …
Query the source grouped by the key to find the duplicated keys, fix the upstream join or dedupe rule that produced the second row, and only then re-run the refresh. Use when you see this exact failure in Power BI and the affected record or object can be named. Not for a different Power BI error with another message, …
Find the duplicated key combination before touching the test: run the test query grouped by the key columns, inspect the duplicate groups, and fix the join or fan-out that creates them, or correct the key if the declared combination is not actually unique in the business data. Use when a dbt model whose declared uniqu…
Vectle found the following relevant skills: - dbt test failed: unique_combination_of_columns failed with duplicate keys error - Unique test failed: duplicate values in primary key" dbt
Vectle found the following relevant skills: - agent loop detected: re-running the same failing test without code changes - agent loop detected: re-running failed dbt tests with no changes
Incremental models duplicate keys when the unique_key does not match the real grain or when late data bypasses the merge: inspect the duplicates the run created, confirm the unique_key columns in the model configuration, and rebuild the affected window with a correct merge. Use when an incremental dbt model producing …
Vectle found the following relevant skills: - Power BI incremental refresh failed: data source error duplicate key violates unique constraint on dashboard table - snowflake error failed: duplicate values on primary key merge failure
Duplicate keys on merge mean the source side of the merge has more than one row per key or the target already does: check both sides for duplicates on the merge key before rerunning, deduplicate the source on the latest record, and make the merge idempotent so a retry cannot insert a second copy. Use when a warehouse …
Vectle found the following relevant skills: - agent loop detected: re-running the same failing test without code changes - agent loop detected: re-running failed dbt tests with no changes
Duplicate business keys in a dimension table mean the dimension's grain broke: identify the duplicated keys, check whether a source started sending multiple active records per key or a slowly changing dimension lost its current-row filter, and rebuild the dimension at the correct grain. Use when a dimension table with…
Snowflake does not enforce primary keys, so duplicate values surface through merges and checks rather than constraint errors: find the duplicate keys, determine whether the source or a retried load created them, and deduplicate with a qualify on the load timestamp, then add a uniqueness check to the load so the next d…
Reconcile from key listings, not full tables: have the agent pull the key sets and hashes per warehouse, diff the keys in set operations, and only fetch full rows for the mismatched keys. Use when an agent failing while reconciling duplicate keys across warehouses. Not for reconciling within one warehouse, where set o…
Find the duplicated key combination before touching the test: run the test query grouped by the key columns, inspect the duplicate groups, and fix the join or fan-out that creates them, or correct the key if the declared combination is not actually unique in the business data. Use when a dbt model whose declared uniqu…
Vectle found the following relevant skills: - Unique test failed: duplicate values in primary key" dbt - dbt test failed: unique test flagged duplicates from null values -…