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Duplicate handling
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
When importing data, some data may already be present and needs to be updated. jOOQ supports a variety of UPSERT style statements.
create.loadInto(BOOK)
// Insert each row using INSERT .. ON DUPLICATE KEY UPDATE
.onDuplicateKeyUpdate()
// Insert each row using INSERT .. ON DUPLICATE KEY IGNORE
.onDuplicateKeyIgnore()
// Use ordinary INSERT statements, which will produce errors on duplicate keys
.onDuplicateKeyError()
.loadCSV(inputstream)
.fields(BOOK.ID, BOOK.AUTHOR_ID, BOOK.TITLE)
.execute();
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