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Tweak search weights

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This commit is contained in:
Tom Moor
2023-12-26 23:12:09 -05:00
parent 75b0cd380a
commit b357fe78ee
1 changed files with 32 additions and 0 deletions
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server/migrations/20231227040129-update-tsvector-trigger.js
+32
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@@ -0,0 +1,32 @@
"use strict";
module.exports = {
up: async (queryInterface) => {
const searchDocument = `
CREATE OR REPLACE FUNCTION documents_search_trigger() RETURNS trigger AS $$
begin
new."searchVector" :=
setweight(to_tsvector('english', coalesce(new.title, '')),'A') ||
setweight(to_tsvector('english', coalesce(array_to_string(new."previousTitles", ' , '),'')),'C') ||
setweight(to_tsvector('english', substring(coalesce(new.text, ''), 1, 1000000)), 'D');
return new;
end
$$ LANGUAGE plpgsql;
`;
await queryInterface.sequelize.query(searchDocument);
},
down: async (queryInterface) => {
const searchDocument = `
CREATE OR REPLACE FUNCTION documents_search_trigger() RETURNS trigger AS $$
begin
new."searchVector" :=
setweight(to_tsvector('english', coalesce(new.title, '')),'A') ||
setweight(to_tsvector('english', coalesce(array_to_string(new."previousTitles", ' , '),'')),'C') ||
setweight(to_tsvector('english', substring(coalesce(new.text, ''), 1, 1000000)), 'B');
return new;
end
$$ LANGUAGE plpgsql;
`;
await queryInterface.sequelize.query(searchDocument);
},
};