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tirocinio-canali-steffo-acrate/acrate-core/migrations/2024-11-14-031744_meta/up.sql

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CREATE TABLE meta_alias (
id UUID DEFAULT gen_random_uuid(),
pattern BPCHAR NOT NULL,
alias BPCHAR NOT NULL,
CONSTRAINT unique_aliases UNIQUE (alias),
PRIMARY KEY (id)
);
CREATE TABLE meta_link (
id UUID DEFAULT gen_random_uuid(),
pattern BPCHAR NOT NULL,
rel BPCHAR NOT NULL,
type BPCHAR,
href BPCHAR,
PRIMARY KEY (id)
);
CREATE TABLE meta_link_property (
id UUID DEFAULT gen_random_uuid(),
link UUID REFERENCES meta_link (id),
rel BPCHAR NOT NULL,
value BPCHAR,
PRIMARY KEY (id)
);
CREATE TABLE meta_property (
id UUID DEFAULT gen_random_uuid(),
pattern BPCHAR NOT NULL,
value BPCHAR,
PRIMARY KEY (id)
);
CREATE FUNCTION get_meta_aliases(BPCHAR) RETURNS SETOF meta_alias AS $$
SELECT * FROM meta_alias WHERE meta_alias.pattern ILIKE $1;
$$ LANGUAGE SQL;
CREATE FUNCTION get_meta_link(BPCHAR) RETURNS SETOF meta_link AS $$
SELECT * FROM meta_link WHERE meta_link.pattern ILIKE $1;
$$ LANGUAGE SQL;
CREATE FUNCTION get_meta_property(BPCHAR) RETURNS SETOF meta_property AS $$
SELECT * FROM meta_property WHERE meta_property.pattern ILIKE $1;
$$ LANGUAGE SQL;