24 lines
1.9 KiB
PL/PgSQL
24 lines
1.9 KiB
PL/PgSQL
CREATE TABLE IF NOT EXISTS continentes (id SERIAL PRIMARY KEY, nombre VARCHAR(50) NOT NULL UNIQUE);
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CREATE TABLE IF NOT EXISTS categorias (id SERIAL PRIMARY KEY, nombre VARCHAR(100) NOT NULL UNIQUE);
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CREATE TABLE IF NOT EXISTS paises (id SERIAL PRIMARY KEY, nombre VARCHAR(100) NOT NULL UNIQUE, continente_id INTEGER REFERENCES continentes(id) ON DELETE SET NULL);
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CREATE TABLE IF NOT EXISTS feeds (id SERIAL PRIMARY KEY, nombre VARCHAR(255), descripcion TEXT, url TEXT NOT NULL UNIQUE, categoria_id INTEGER REFERENCES categorias(id) ON DELETE SET NULL, pais_id INTEGER REFERENCES paises(id) ON DELETE SET NULL, idioma CHAR(2), activo BOOLEAN DEFAULT TRUE, fallos INTEGER DEFAULT 0, last_etag TEXT, last_modified TEXT);
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CREATE TABLE IF NOT EXISTS fuentes_url (id SERIAL PRIMARY KEY, nombre VARCHAR(255) NOT NULL, url TEXT NOT NULL UNIQUE, categoria_id INTEGER REFERENCES categorias(id) ON DELETE SET NULL, pais_id INTEGER REFERENCES paises(id) ON DELETE SET NULL, idioma CHAR(2) DEFAULT 'es');
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CREATE TABLE IF NOT EXISTS noticias (id VARCHAR(32) PRIMARY KEY, titulo TEXT, resumen TEXT, url TEXT NOT NULL UNIQUE, fecha TIMESTAMP, imagen_url TEXT, fuente_nombre VARCHAR(255), categoria_id INTEGER REFERENCES categorias(id) ON DELETE SET NULL, pais_id INTEGER REFERENCES paises(id) ON DELETE SET NULL, tsv tsvector);
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ALTER TABLE noticias ADD COLUMN IF NOT EXISTS tsv tsvector;
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CREATE OR REPLACE FUNCTION noticias_tsv_trigger() RETURNS trigger AS $$
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BEGIN
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new.tsv := setweight(to_tsvector('spanish', coalesce(new.titulo,'')), 'A') ||
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setweight(to_tsvector('spanish', coalesce(new.resumen,'')), 'B');
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return new;
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END
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$$ LANGUAGE plpgsql;
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DROP TRIGGER IF EXISTS tsvectorupdate ON noticias;
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CREATE TRIGGER tsvectorupdate
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BEFORE INSERT OR UPDATE ON noticias
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FOR EACH ROW EXECUTE PROCEDURE noticias_tsv_trigger();
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CREATE INDEX IF NOT EXISTS noticias_tsv_idx ON noticias USING gin(tsv);
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