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44858e0618
Split optional dependency descriptions from dependency names before storing them in the database and use a separate column to store the descriptions. This allows us to simplify and optimize the SQL queries in pkg_dependencies() as well as pkg_required(). Suggested-by: Florian Pritz <bluewind@xinu.at> Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
11 lines
419 B
Text
11 lines
419 B
Text
1. Add DepDesc column to PackageDepends and split dependency names:
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ALTER TABLE PackageDepends ADD COLUMN DepDesc VARCHAR(255) NULL DEFAULT NULL;
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UPDATE PackageDepends
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SET DepDesc = SUBSTRING(DepName FROM POSITION(': ' IN DepName) + 2)
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WHERE POSITION(': ' IN DepName) > 0;
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UPDATE PackageDepends
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SET DepName = SUBSTRING(DepName FROM 1 FOR POSITION(': ' IN DepName) - 1)
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WHERE POSITION(': ' IN DepName) > 0;
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