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Improve partial word matching

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This commit is contained in:
Tom Moor
2019-01-07 21:44:33 -08:00
parent a68ad856a3
commit 74515e0b19
2 changed files with 50 additions and 4 deletions
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9
server/models/Document.js
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@@ -212,14 +212,15 @@ Document.searchForUser = async (
): Promise<SearchResult[]> => {
const limit = options.limit || 15;
const offset = options.offset || 0;
const wildcardQuery = `${sequelize.escape(query)}:*`;
const sql = `
SELECT
id,
ts_rank(documents."searchVector", plainto_tsquery('english', :query)) as "searchRanking",
ts_headline('english', "text", plainto_tsquery('english', :query), 'MaxFragments=1, MinWords=20, MaxWords=30') as "searchContext"
ts_rank(documents."searchVector", to_tsquery('english', :query)) as "searchRanking",
ts_headline('english', "text", to_tsquery('english', :query), 'MaxFragments=1, MinWords=20, MaxWords=30') as "searchContext"
FROM documents
WHERE "searchVector" @@ plainto_tsquery('english', :query) AND
WHERE "searchVector" @@ to_tsquery('english', :query) AND
"collectionId" IN(:collectionIds) AND
"deletedAt" IS NULL AND
("publishedAt" IS NOT NULL OR "createdById" = '${user.id}')
@@ -234,7 +235,7 @@ Document.searchForUser = async (
const results = await sequelize.query(sql, {
type: sequelize.QueryTypes.SELECT,
replacements: {
query,
query: wildcardQuery,
limit,
offset,
collectionIds,