Christopher Baines
af209170f7
Start at least looking for package replacements, and storing the details (particularly the derivation). I'm looking at doing this so that build servers using the Guix Data Service can build these derivations.
16 lines
552 B
PL/PgSQL
16 lines
552 B
PL/PgSQL
-- Deploy guix-data-service:packages_replacement to pg
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BEGIN;
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ALTER TABLE packages
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ADD COLUMN replacement_package_id integer REFERENCES packages (id);
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ALTER TABLE packages DROP CONSTRAINT packages_pkey;
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ALTER TABLE packages ADD PRIMARY KEY (id);
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CREATE UNIQUE INDEX packages_not_null_replacement_package_id_idx
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ON packages (name, version, package_metadata_id, replacement_package_id);
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CREATE UNIQUE INDEX packages_null_replacement_package_id_idx
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ON packages (name, version, package_metadata_id) WHERE replacement_package_id IS NULL;
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COMMIT;
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