CREATE TYPE vandelay.match_set_test_result AS (record BIGINT, quality INTEGER);
CREATE OR REPLACE FUNCTION vandelay.match_set_test_marcxml(
- match_set_id INTEGER, record_xml TEXT
+ match_set_id INTEGER, record_xml TEXT, bucket_id INTEGER
) RETURNS SETOF vandelay.match_set_test_result AS $$
DECLARE
tags_rstore HSTORE;
FROM _vandelay_tmp_jrows;
-- add those joins and the where clause to our query.
- query_ := query_ || joins || E'\n' || 'JOIN biblio.record_entry bre ON (bre.id = record) ' || 'WHERE ' || wq || ' AND not bre.deleted';
+ query_ := query_ || joins || E'\n';
+
+ -- join the record bucket
+ IF bucket_id IS NOT NULL THEN
+ query_ := query_ || 'JOIN container.biblio_record_entry_bucket_item ' ||
+ 'brebi ON (brebi.target_biblio_record_entry = record ' ||
+ 'AND brebi.bucket = ' || bucket_id || E')\n';
+ END IF;
+
+ query_ := query_ || 'JOIN biblio.record_entry bre ON (bre.id = record) ' || 'WHERE ' || wq || ' AND not bre.deleted';
-- this will return rows of record,quality
FOR rec IN EXECUTE query_ USING tags_rstore, svf_rstore LOOP
DROP TABLE _vandelay_tmp_jrows;
RETURN;
END;
-
$$ LANGUAGE PLPGSQL;
+
CREATE OR REPLACE FUNCTION vandelay.flatten_marc_hstore(
record_xml TEXT
) RETURNS HSTORE AS $func$
test_result vandelay.match_set_test_result%ROWTYPE;
tmp_rec BIGINT;
match_set INT;
+ match_bucket INT;
BEGIN
IF TG_OP IN ('INSERT','UPDATE') AND NEW.imported_as IS NOT NULL THEN
RETURN NEW;
RETURN NEW;
END IF;
+ SELECT q.match_bucket INTO match_bucket FROM vandelay.bib_queue q WHERE q.id = NEW.queue;
+
FOR test_result IN SELECT * FROM
- vandelay.match_set_test_marcxml(match_set, NEW.marc) LOOP
+ vandelay.match_set_test_marcxml(match_set, NEW.marc, match_bucket) LOOP
INSERT INTO vandelay.bib_match ( queued_record, eg_record, match_score, quality )
SELECT
--- /dev/null
+BEGIN;
+
+-- TODO version check
+
+--ALTER TABLE vandelay.bib_queue ADD COLUMN match_bucket
+ -- INTEGER REFERENCES container.biblio_record_entry_bucket(id);
+
+CREATE OR REPLACE FUNCTION vandelay.match_bib_record() RETURNS TRIGGER AS $func$
+DECLARE
+ incoming_existing_id TEXT;
+ test_result vandelay.match_set_test_result%ROWTYPE;
+ tmp_rec BIGINT;
+ match_set INT;
+ match_bucket INT;
+BEGIN
+ IF TG_OP IN ('INSERT','UPDATE') AND NEW.imported_as IS NOT NULL THEN
+ RETURN NEW;
+ END IF;
+
+ DELETE FROM vandelay.bib_match WHERE queued_record = NEW.id;
+
+ SELECT q.match_set INTO match_set FROM vandelay.bib_queue q WHERE q.id = NEW.queue;
+
+ IF match_set IS NOT NULL THEN
+ NEW.quality := vandelay.measure_record_quality( NEW.marc, match_set );
+ END IF;
+
+ -- Perfect matches on 901$c exit early with a match with high quality.
+ incoming_existing_id :=
+ oils_xpath_string('//*[@tag="901"]/*[@code="c"][1]', NEW.marc);
+
+ IF incoming_existing_id IS NOT NULL AND incoming_existing_id != '' THEN
+ SELECT id INTO tmp_rec FROM biblio.record_entry WHERE id = incoming_existing_id::bigint;
+ IF tmp_rec IS NOT NULL THEN
+ INSERT INTO vandelay.bib_match (queued_record, eg_record, match_score, quality)
+ SELECT
+ NEW.id,
+ b.id,
+ 9999,
+ -- note: no match_set means quality==0
+ vandelay.measure_record_quality( b.marc, match_set )
+ FROM biblio.record_entry b
+ WHERE id = incoming_existing_id::bigint;
+ END IF;
+ END IF;
+
+ IF match_set IS NULL THEN
+ RETURN NEW;
+ END IF;
+
+ SELECT q.match_bucket INTO match_bucket FROM vandelay.bib_queue q WHERE q.id = NEW.queue;
+
+ FOR test_result IN SELECT * FROM
+ vandelay.match_set_test_marcxml(match_set, NEW.marc, match_bucket) LOOP
+
+ INSERT INTO vandelay.bib_match ( queued_record, eg_record, match_score, quality )
+ SELECT
+ NEW.id,
+ test_result.record,
+ test_result.quality,
+ vandelay.measure_record_quality( b.marc, match_set )
+ FROM biblio.record_entry b
+ WHERE id = test_result.record;
+
+ END LOOP;
+
+ RETURN NEW;
+END;
+$func$ LANGUAGE PLPGSQL;
+
+
+DROP FUNCTION IF EXISTS vandelay.match_set_test_marcxml(INTEGER, TEXT);
+
+CREATE OR REPLACE FUNCTION vandelay.match_set_test_marcxml(
+ match_set_id INTEGER, record_xml TEXT, bucket_id INTEGER
+) RETURNS SETOF vandelay.match_set_test_result AS $$
+DECLARE
+ tags_rstore HSTORE;
+ svf_rstore HSTORE;
+ coal TEXT;
+ joins TEXT;
+ query_ TEXT;
+ wq TEXT;
+ qvalue INTEGER;
+ rec RECORD;
+BEGIN
+ tags_rstore := vandelay.flatten_marc_hstore(record_xml);
+ svf_rstore := vandelay.extract_rec_attrs(record_xml);
+
+ CREATE TEMPORARY TABLE _vandelay_tmp_qrows (q INTEGER);
+ CREATE TEMPORARY TABLE _vandelay_tmp_jrows (j TEXT);
+
+ -- generate the where clause and return that directly (into wq), and as
+ -- a side-effect, populate the _vandelay_tmp_[qj]rows tables.
+ wq := vandelay.get_expr_from_match_set(match_set_id, tags_rstore);
+
+ query_ := 'SELECT DISTINCT(record), ';
+
+ -- qrows table is for the quality bits we add to the SELECT clause
+ SELECT ARRAY_TO_STRING(
+ ARRAY_ACCUM('COALESCE(n' || q::TEXT || '.quality, 0)'), ' + '
+ ) INTO coal FROM _vandelay_tmp_qrows;
+
+ -- our query string so far is the SELECT clause and the inital FROM.
+ -- no JOINs yet nor the WHERE clause
+ query_ := query_ || coal || ' AS quality ' || E'\n';
+
+ -- jrows table is for the joins we must make (and the real text conditions)
+ SELECT ARRAY_TO_STRING(ARRAY_ACCUM(j), E'\n') INTO joins
+ FROM _vandelay_tmp_jrows;
+
+ -- add those joins and the where clause to our query.
+ query_ := query_ || joins || E'\n';
+
+ -- join the record bucket
+ IF bucket_id IS NOT NULL THEN
+ query_ := query_ || 'JOIN container.biblio_record_entry_bucket_item ' ||
+ 'brebi ON (brebi.target_biblio_record_entry = record ' ||
+ 'AND brebi.bucket = ' || bucket_id || E')\n';
+ END IF;
+
+ query_ := query_ || 'JOIN biblio.record_entry bre ON (bre.id = record) ' || 'WHERE ' || wq || ' AND not bre.deleted';
+
+ -- this will return rows of record,quality
+ FOR rec IN EXECUTE query_ USING tags_rstore, svf_rstore LOOP
+ RETURN NEXT rec;
+ END LOOP;
+
+ DROP TABLE _vandelay_tmp_qrows;
+ DROP TABLE _vandelay_tmp_jrows;
+ RETURN;
+END;
+$$ LANGUAGE PLPGSQL;
+
+COMMIT;
projects / evergreen / equinox.git / commitdiff