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Here, apply_old_data : the values at the target, queried by using key columns in the where clause. The boolean flag indicates whether any such record was found. primary_key_data: old values at the source; mostly used to see the key, but it actually contains all supplementally logged values, too. Thus it will always (excl. LOBs, LONGs) include the modified column, too. new_data: new (modified) values at the source. |
The return values are:
- 0: discardDiscard
- 1: overwriteOverwrite
- 2: retryRetry
- 3: the The PL/SQL function resolved the conflict by itself and made all necessary changes.
- 4: Force
The function must not issue a commit, as the transaction may be yet rolled back, if a rollback happened on source.
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