72 lines
2.9 KiB
PL/PgSQL
72 lines
2.9 KiB
PL/PgSQL
-- Deploy guix-data-service:add-tsvectors-per-locale to pg
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BEGIN;
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CREATE TABLE package_metadata_tsvectors(
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package_metadata_id integer NOT NULL REFERENCES package_metadata(id),
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locale varchar NOT NULL,
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synopsis_and_description tsvector NOT NULL,
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package_synopsis_id integer NOT NULL,
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package_description_id integer NOT NULL,
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PRIMARY KEY(locale, package_metadata_id)
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);
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INSERT INTO package_metadata_tsvectors (package_metadata_id, locale, synopsis_and_description,
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package_synopsis_id, package_description_id)
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SELECT DISTINCT ON (package_metadata.id, locale)
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package_metadata.id,
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CASE WHEN translated_package_synopsis.locale != 'en_US.utf8'
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THEN translated_package_synopsis.locale
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ELSE translated_package_descriptions.locale
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END AS locale,
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( setweight(to_tsvector(translated_package_synopsis.synopsis), 'B') ||
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setweight(to_tsvector(translated_package_descriptions.description), 'C')
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),
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translated_package_synopsis.id,
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translated_package_descriptions.id
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FROM package_metadata
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INNER JOIN (
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SELECT package_description_sets.id AS package_description_set_id,
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package_descriptions.id, package_descriptions.description,
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package_descriptions.locale
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FROM package_description_sets
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INNER JOIN package_descriptions
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ON package_descriptions.id = ANY (package_description_sets.description_ids)
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ORDER BY package_description_sets.id,
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CASE WHEN package_descriptions.locale = 'en_US.utf8' THEN 1
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ELSE 2
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END DESC
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) AS translated_package_descriptions
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ON package_metadata.package_description_set_id =
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translated_package_descriptions.package_description_set_id
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INNER JOIN (
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SELECT package_synopsis_sets.id AS package_synopsis_set_id,
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package_synopsis.id, package_synopsis.synopsis,
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package_synopsis.locale
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FROM package_synopsis_sets
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INNER JOIN package_synopsis
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ON package_synopsis.id = ANY (package_synopsis_sets.synopsis_ids)
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ORDER BY package_synopsis_sets.id,
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CASE WHEN package_synopsis.locale = 'en_US.utf8' THEN 1
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ELSE 2
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END DESC
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) AS translated_package_synopsis
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ON package_metadata.package_synopsis_set_id =
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translated_package_synopsis.package_synopsis_set_id
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AND (translated_package_descriptions.locale = translated_package_synopsis.locale
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OR translated_package_descriptions.locale = 'en_US.utf8')
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ORDER BY package_metadata.id, locale,
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CASE WHEN translated_package_synopsis.locale =
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translated_package_descriptions.locale THEN 1
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ELSE 0
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END DESC;
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CREATE INDEX tsv_idx ON package_metadata_tsvectors USING gin(synopsis_and_description);
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CREATE INDEX package_metadata_id_packages_idx ON packages USING btree(package_metadata_id);
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CREATE INDEX package_metadata_id_package_metadata_tsvectors_idx ON package_metadata_tsvectors USING btree(package_metadata_id);
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COMMIT;
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