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fts initial implementation

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Ryan Voots 2020-09-09 12:10:42 -07:00
parent 9cb460736b
commit 9393348dae
1 changed files with 6 additions and 7 deletions
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13
factoidtest.sql
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@ -13,19 +13,18 @@ factoid_lookup_order (depth, namespace, server, alias_namespace, alias_server, p
UNION ALL
SELECT 0, '', '', NULL, NULL, NULL, NULL, false, '', '' WHERE NOT EXISTS (table factoid_lookup_order_inner)
),
get_factoid_trigram (depth, factoid_id, subject, copula, predicate, author, modified_time, compose_macro, protected, original_subject, deleted, server, namespace, similarity) AS (
SELECT DISTINCT ON (lo.depth, original_subject) lo.depth, factoid_id, subject,
get_factoid_search (depth, factoid_id, subject, copula, predicate, author, modified_time, compose_macro, protected, original_subject, deleted, server, namespace, full_document_tsvector, last_rendered) AS (
SELECT DISTINCT ON (original_subject) lo.depth, factoid_id, subject,
copula, predicate, author, modified_time, compose_macro, protected,
original_subject, f.deleted, f.server, f.namespace,
(difference(original_subject, 'hillss') ::float + similarity('hillss', original_subject)) / greatest(length('hillss'), length(original_subject))-- PLACEHOLDER TARGET
original_subject, f.deleted, f.server, f.namespace, f.full_document_tsvector, f.last_rendered
FROM factoid f
INNER JOIN factoid_lookup_order lo
ON f.generated_server = lo.gen_server
AND f.generated_namespace = lo.gen_namespace
WHERE difference(original_subject, 'hillss') ::float + similarity('hillss', original_subject) > 0.01 -- PLACEHOLDER TARGET
ORDER BY depth ASC, original_subject ASC, factoid_id DESC
WHERE NOT deleted
ORDER BY original_subject ASC, depth ASC, factoid_id DESC
)
SELECT DISTINCT ON (similarity, original_subject) similarity, factoid_id, original_subject FROM get_factoid_trigram WHERE NOT deleted ORDER BY similarity DESC, original_subject, depth, factoid_id DESC LIMIT 10;
SELECT ts_rank(full_document_tsvector, websearch_to_tsquery('"hello there"')) AS rank, factoid_id, original_subject, copula, last_rendered, compose_macro FROM get_factoid_search ORDER BY 1 DESC LIMIT 10;