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20 lines
429 B
SQL
20 lines
429 B
SQL
-- Duplicate product barcodes were most probably not created on purpose,
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-- so just keep the newer one for any duplicates
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DELETE FROM product_barcodes
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WHERE barcode IN (
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SELECT barcode
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FROM product_barcodes
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GROUP BY barcode
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HAVING COUNT(*) > 1
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)
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AND id NOT IN (
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SELECT MIN(id)
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FROM product_barcodes
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GROUP BY barcode
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HAVING COUNT(*) > 1
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);
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CREATE UNIQUE INDEX ix_product_barcodes ON product_barcodes (
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barcode
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);
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