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-rw-r--r--internal/dbstore/sql/cpe-search-ref.sql47
1 files changed, 47 insertions, 0 deletions
diff --git a/internal/dbstore/sql/cpe-search-ref.sql b/internal/dbstore/sql/cpe-search-ref.sql
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+++ b/internal/dbstore/sql/cpe-search-ref.sql
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+SELECT a.cpe_id,
+ a.cpe23,
+ COALESCE(c.titles, '[]') AS titles,
+ COALESCE(d.refs, '[]') AS refs,
+ b.rank
+
+ -- find matching cpes
+ FROM cpes a
+ JOIN (
+ -- there can be multiple matching references for a given
+ -- CPE, so use MIN() to limit the match to the most
+ -- "relevant", according to bm25()
+ SELECT cpe_id,
+ MIN(rank) AS rank
+ FROM cpe_fts_refs
+ WHERE cpe_fts_refs MATCH :q
+ GROUP BY cpe_id
+ ) b ON (b.cpe_id = a.cpe_id)
+
+ -- get all titles, grouped by cpe
+ LEFT JOIN (
+ SELECT cpe_id,
+ json_group_array(json_object(
+ 'lang', lang,
+ 'text', val
+ )) AS titles
+
+ FROM cpe_titles
+
+ GROUP BY cpe_id
+ ) c ON (c.cpe_id = b.cpe_id)
+
+ -- get all refs, grouped by cpe
+ LEFT JOIN (
+ SELECT cpe_id,
+ json_group_array(json_object(
+ 'href', href,
+ 'text', val
+ )) AS refs
+
+ FROM cpe_refs
+
+ GROUP BY cpe_id
+ ) d ON (d.cpe_id = b.cpe_id)
+
+ -- order by rank
+ ORDER BY b.rank