32 lines
919 B
MySQL
32 lines
919 B
MySQL
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WITH ranked AS (
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SELECT
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id,
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ip_address,
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ROW_NUMBER() OVER (
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PARTITION BY ip_address
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ORDER BY
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CASE WHEN deleted_at IS NULL THEN 0 ELSE 1 END,
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id
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) AS row_no
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FROM internet_connections_ip_addresses
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),
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duplicates AS (
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SELECT id
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FROM ranked
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WHERE row_no > 1
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)
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UPDATE internet_connections_ip_addresses ipa
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SET deleted_at = CURRENT_TIMESTAMP,
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updated_at = CURRENT_TIMESTAMP,
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comment = CONCAT(
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COALESCE(ipa.comment, ''),
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CASE WHEN COALESCE(ipa.comment, '') = '' THEN '' ELSE E'\n' END,
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'Automatisk deaktiveret som dublet-IP før unikregel.'
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)
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WHERE ipa.id IN (SELECT id FROM duplicates)
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AND ipa.deleted_at IS NULL;
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CREATE UNIQUE INDEX IF NOT EXISTS uq_internet_connections_ip_addresses_ip_address_active
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ON internet_connections_ip_addresses (ip_address)
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WHERE deleted_at IS NULL;
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