END;
$func$ LANGUAGE PLPGSQL;
-CREATE OR REPLACE FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT ) RETURNS BIGINT AS $func$
+CREATE OR REPLACE FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT, bib_is_deleted BOOL DEFAULT FALSE, retain_deleted BOOL DEFAULT FALSE ) RETURNS BIGINT AS $func$
DECLARE
+ new_mapping BOOL := TRUE;
source_count INT;
old_mr BIGINT;
tmp_mr metabib.metarecord%ROWTYPE;
deleted_mrs BIGINT[];
BEGIN
- DELETE FROM metabib.metarecord_source_map WHERE source = bib_id; -- Rid ourselves of the search-estimate-killing linkage
+ -- We need to make sure we're not a deleted master record of an MR
+ IF bib_is_deleted THEN
+ FOR old_mr IN SELECT id FROM metabib.metarecord WHERE master_record = bib_id LOOP
- FOR tmp_mr IN SELECT m.* FROM metabib.metarecord m JOIN metabib.metarecord_source_map s ON (s.metarecord = m.id) WHERE s.source = bib_id LOOP
+ IF NOT retain_deleted THEN -- Go away for any MR that we're master of, unless retained
+ DELETE FROM metabib.metarecord_source_map WHERE source = bib_id;
+ END IF;
- IF old_mr IS NULL AND fp = tmp_mr.fingerprint THEN -- Find the first fingerprint-matching
- old_mr := tmp_mr.id;
- ELSE
- SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
- IF source_count = 0 THEN -- No other records
- deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
- DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
+ -- Now, are there any more sources on this MR?
+ SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = old_mr;
+
+ IF source_count = 0 AND NOT retain_deleted THEN -- No other records
+ deleted_mrs := ARRAY_APPEND(deleted_mrs, old_mr); -- Just in case...
+ DELETE FROM metabib.metarecord WHERE id = old_mr;
+
+ ELSE -- indeed there are. Update it with a null cache and recalcualated master record
+ UPDATE metabib.metarecord
+ SET mods = NULL,
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
+ WHERE id = old_mr;
END IF;
- END IF;
+ END LOOP;
- END LOOP;
+ ELSE -- insert or update
+
+ FOR tmp_mr IN SELECT m.* FROM metabib.metarecord m JOIN metabib.metarecord_source_map s ON (s.metarecord = m.id) WHERE s.source = bib_id LOOP
+
+ -- Find the first fingerprint-matching
+ IF old_mr IS NULL AND fp = tmp_mr.fingerprint THEN
+ old_mr := tmp_mr.id;
+ new_mapping := FALSE;
+
+ ELSE -- Our fingerprint changed ... maybe remove the old MR
+ DELETE FROM metabib.metarecord_source_map WHERE metarecord = old_mr AND source = bib_id; -- remove the old source mapping
+ SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
+ IF source_count = 0 THEN -- No other records
+ deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
+ DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
+ END IF;
+ END IF;
+
+ END LOOP;
+
+ -- we found no suitable, preexisting MR based on old source maps
+ IF old_mr IS NULL THEN
+ SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp; -- is there one for our current fingerprint?
- IF old_mr IS NULL THEN -- we found no suitable, preexisting MR based on old source maps
- SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp; -- is there one for our current fingerprint?
- IF old_mr IS NULL THEN -- nope, create one and grab its id
- INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( fp, bib_id );
- SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp;
- ELSE -- indeed there is. update it with a null cache and recalcualated master record
+ IF old_mr IS NULL THEN -- nope, create one and grab its id
+ INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( fp, bib_id );
+ SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp;
+
+ ELSE -- indeed there is. update it with a null cache and recalcualated master record
+ UPDATE metabib.metarecord
+ SET mods = NULL,
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
+ WHERE id = old_mr;
+ END IF;
+
+ ELSE -- there was one we already attached to, update its mods cache and master_record
UPDATE metabib.metarecord
SET mods = NULL,
- master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
WHERE id = old_mr;
END IF;
- ELSE -- there was one we already attached to, update its mods cache and master_record
- UPDATE metabib.metarecord
- SET mods = NULL,
- master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
- WHERE id = old_mr;
- END IF;
- INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, bib_id); -- new source mapping
+ IF new_mapping THEN
+ INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, bib_id); -- new source mapping
+ END IF;
+
+ END IF;
IF ARRAY_UPPER(deleted_mrs,1) > 0 THEN
UPDATE action.hold_request SET target = old_mr WHERE target IN ( SELECT unnest(deleted_mrs) ) AND hold_type = 'M'; -- if we had to delete any MRs above, make sure their holds are moved
END;
$func$ LANGUAGE PLPGSQL;
+
CREATE OR REPLACE FUNCTION biblio.map_authority_linking (bibid BIGINT, marc TEXT) RETURNS BIGINT AS $func$
DELETE FROM authority.bib_linking WHERE bib = $1;
INSERT INTO authority.bib_linking (bib, authority)
-- AFTER UPDATE OR INSERT trigger for biblio.record_entry
CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
+DECLARE
+ tmp_bool BOOL;
BEGIN
IF NEW.deleted THEN -- If this bib is deleted
+
PERFORM * FROM config.internal_flag WHERE
name = 'ingest.metarecord_mapping.preserve_on_delete' AND enabled;
- IF NOT FOUND THEN
+
+ tmp_bool := FOUND; -- Just in case this is changed by some other statement
+
+ PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint, TRUE, tmp_bool );
+
+ IF NOT tmp_bool THEN
-- One needs to keep these around to support searches
-- with the #deleted modifier, so one should turn on the named
-- internal flag for that functionality.
- DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id;
DELETE FROM metabib.record_attr_vector_list WHERE source = NEW.id;
END IF;
--- /dev/null
+
+CREATE OR REPLACE FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT, bib_is_deleted BOOL DEFAULT FALSE, retain_deleted BOOL DEFAULT FALSE ) RETURNS BIGINT AS $func$
+DECLARE
+ new_mapping BOOL := TRUE;
+ source_count INT;
+ old_mr BIGINT;
+ tmp_mr metabib.metarecord%ROWTYPE;
+ deleted_mrs BIGINT[];
+BEGIN
+
+ -- We need to make sure we're not a deleted master record of an MR
+ IF bib_is_deleted THEN
+ FOR old_mr IN SELECT id FROM metabib.metarecord WHERE master_record = bib_id LOOP
+
+ IF NOT retain_deleted THEN -- Go away for any MR that we're master of, unless retained
+ DELETE FROM metabib.metarecord_source_map WHERE source = bib_id;
+ END IF;
+
+ -- Now, are there any more sources on this MR?
+ SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = old_mr;
+
+ IF source_count = 0 AND NOT retain_deleted THEN -- No other records
+ deleted_mrs := ARRAY_APPEND(deleted_mrs, old_mr); -- Just in case...
+ DELETE FROM metabib.metarecord WHERE id = old_mr;
+
+ ELSE -- indeed there are. Update it with a null cache and recalcualated master record
+ UPDATE metabib.metarecord
+ SET mods = NULL,
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
+ WHERE id = old_mr;
+ END IF;
+ END LOOP;
+
+ ELSE -- insert or update
+
+ FOR tmp_mr IN SELECT m.* FROM metabib.metarecord m JOIN metabib.metarecord_source_map s ON (s.metarecord = m.id) WHERE s.source = bib_id LOOP
+
+ -- Find the first fingerprint-matching
+ IF old_mr IS NULL AND fp = tmp_mr.fingerprint THEN
+ old_mr := tmp_mr.id;
+ new_mapping := FALSE;
+
+ ELSE -- Our fingerprint changed ... maybe remove the old MR
+ DELETE FROM metabib.metarecord_source_map WHERE metarecord = old_mr AND source = bib_id; -- remove the old source mapping
+ SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
+ IF source_count = 0 THEN -- No other records
+ deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
+ DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
+ END IF;
+ END IF;
+
+ END LOOP;
+
+ -- we found no suitable, preexisting MR based on old source maps
+ IF old_mr IS NULL THEN
+ SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp; -- is there one for our current fingerprint?
+
+ IF old_mr IS NULL THEN -- nope, create one and grab its id
+ INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( fp, bib_id );
+ SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp;
+
+ ELSE -- indeed there is. update it with a null cache and recalcualated master record
+ UPDATE metabib.metarecord
+ SET mods = NULL,
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
+ WHERE id = old_mr;
+ END IF;
+
+ ELSE -- there was one we already attached to, update its mods cache and master_record
+ UPDATE metabib.metarecord
+ SET mods = NULL,
+ master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp AND NOT deleted ORDER BY quality DESC LIMIT 1)
+ WHERE id = old_mr;
+ END IF;
+
+ IF new_mapping THEN
+ INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, bib_id); -- new source mapping
+ END IF;
+
+ END IF;
+
+ IF ARRAY_UPPER(deleted_mrs,1) > 0 THEN
+ UPDATE action.hold_request SET target = old_mr WHERE target IN ( SELECT unnest(deleted_mrs) ) AND hold_type = 'M'; -- if we had to delete any MRs above, make sure their holds are moved
+ END IF;
+
+ RETURN old_mr;
+
+END;
+$func$ LANGUAGE PLPGSQL;
+
+DROP FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT );
+
+CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
+DECLARE
+ tmp_bool BOOL;
+BEGIN
+
+ IF NEW.deleted THEN -- If this bib is deleted
+
+ PERFORM * FROM config.internal_flag WHERE
+ name = 'ingest.metarecord_mapping.preserve_on_delete' AND enabled;
+
+ tmp_bool := FOUND; -- Just in case this is changed by some other statement
+
+ PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint, TRUE, tmp_bool );
+
+ IF NOT tmp_bool THEN
+ -- One needs to keep these around to support searches
+ -- with the #deleted modifier, so one should turn on the named
+ -- internal flag for that functionality.
+ DELETE FROM metabib.record_attr_vector_list WHERE source = NEW.id;
+ END IF;
+
+ DELETE FROM authority.bib_linking WHERE bib = NEW.id; -- Avoid updating fields in bibs that are no longer visible
+ DELETE FROM biblio.peer_bib_copy_map WHERE peer_record = NEW.id; -- Separate any multi-homed items
+ DELETE FROM metabib.browse_entry_def_map WHERE source = NEW.id; -- Don't auto-suggest deleted bibs
+ RETURN NEW; -- and we're done
+ END IF;
+
+ IF TG_OP = 'UPDATE' THEN -- re-ingest?
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.reingest.force_on_same_marc' AND enabled;
+
+ IF NOT FOUND AND OLD.marc = NEW.marc THEN -- don't do anything if the MARC didn't change
+ RETURN NEW;
+ END IF;
+ END IF;
+
+ -- Record authority linking
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_authority_linking' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM biblio.map_authority_linking( NEW.id, NEW.marc );
+ END IF;
+
+ -- Flatten and insert the mfr data
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_full_rec' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM metabib.reingest_metabib_full_rec(NEW.id);
+
+ -- Now we pull out attribute data, which is dependent on the mfr for all but XPath-based fields
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_rec_descriptor' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM metabib.reingest_record_attributes(NEW.id, NULL, NEW.marc, TG_OP = 'INSERT' OR OLD.deleted);
+ END IF;
+ END IF;
+
+ -- Gather and insert the field entry data
+ PERFORM metabib.reingest_metabib_field_entries(NEW.id);
+
+ -- Located URI magic
+ IF TG_OP = 'INSERT' THEN
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
+ END IF;
+ ELSE
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
+ END IF;
+ END IF;
+
+ -- (re)map metarecord-bib linking
+ IF TG_OP = 'INSERT' THEN -- if not deleted and performing an insert, check for the flag
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_insert' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
+ END IF;
+ ELSE -- we're doing an update, and we're not deleted, remap
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_update' AND enabled;
+ IF NOT FOUND THEN
+ PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
+ END IF;
+ END IF;
+
+ RETURN NEW;
+END;
+$func$ LANGUAGE PLPGSQL;
+
+CREATE OR REPLACE FUNCTION unapi.mmr (
+ obj_id BIGINT,
+ format TEXT,
+ ename TEXT,
+ includes TEXT[],
+ org TEXT,
+ depth INT DEFAULT NULL,
+ slimit HSTORE DEFAULT NULL,
+ soffset HSTORE DEFAULT NULL,
+ include_xmlns BOOL DEFAULT TRUE,
+ pref_lib INT DEFAULT NULL
+)
+RETURNS XML AS $F$
+DECLARE
+ mmrec metabib.metarecord%ROWTYPE;
+ leadrec biblio.record_entry%ROWTYPE;
+ subrec biblio.record_entry%ROWTYPE;
+ layout unapi.bre_output_layout%ROWTYPE;
+ xfrm config.xml_transform%ROWTYPE;
+ ouid INT;
+ xml_buf TEXT; -- growing XML document
+ tmp_xml TEXT; -- single-use XML string
+ xml_frag TEXT; -- single-use XML fragment
+ top_el TEXT;
+ output XML;
+ hxml XML;
+ axml XML;
+ subxml XML; -- subordinate records elements
+ sub_xpath TEXT;
+ parts TEXT[];
+BEGIN
+
+ -- xpath for extracting bre.marc values from subordinate records
+ -- so they may be appended to the MARC of the master record prior
+ -- to XSLT processing.
+ -- subjects, isbn, issn, upc -- anything else?
+ sub_xpath :=
+ '//*[starts-with(@tag, "6") or @tag="020" or @tag="022" or @tag="024"]';
+
+ IF org = '-' OR org IS NULL THEN
+ SELECT shortname INTO org FROM evergreen.org_top();
+ END IF;
+
+ SELECT id INTO ouid FROM actor.org_unit WHERE shortname = org;
+
+ IF ouid IS NULL THEN
+ RETURN NULL::XML;
+ END IF;
+
+ SELECT INTO mmrec * FROM metabib.metarecord WHERE id = obj_id;
+ IF NOT FOUND THEN
+ RETURN NULL::XML;
+ END IF;
+
+ -- TODO: aggregate holdings from constituent records
+ IF format = 'holdings_xml' THEN -- the special case
+ output := unapi.mmr_holdings_xml(
+ obj_id, ouid, org, depth,
+ evergreen.array_remove_item_by_value(includes,'holdings_xml'),
+ slimit, soffset, include_xmlns, pref_lib);
+ RETURN output;
+ END IF;
+
+ SELECT * INTO layout FROM unapi.bre_output_layout WHERE name = format;
+
+ IF layout.name IS NULL THEN
+ RETURN NULL::XML;
+ END IF;
+
+ SELECT * INTO xfrm FROM config.xml_transform WHERE name = layout.transform;
+
+ SELECT INTO leadrec * FROM biblio.record_entry WHERE id = mmrec.master_record;
+
+ -- Grab distinct MVF for all records if requested
+ IF ('mra' = ANY (includes)) THEN
+ axml := unapi.mmr_mra(obj_id,NULL,NULL,NULL,org,depth,NULL,NULL,TRUE,pref_lib);
+ ELSE
+ axml := NULL::XML;
+ END IF;
+
+ xml_buf = leadrec.marc;
+
+ hxml := NULL::XML;
+ IF ('holdings_xml' = ANY (includes)) THEN
+ hxml := unapi.mmr_holdings_xml(
+ obj_id, ouid, org, depth,
+ evergreen.array_remove_item_by_value(includes,'holdings_xml'),
+ slimit, soffset, include_xmlns, pref_lib);
+ END IF;
+
+ subxml := NULL::XML;
+ parts := '{}'::TEXT[];
+ FOR subrec IN SELECT bre.* FROM biblio.record_entry bre
+ JOIN metabib.metarecord_source_map mmsm ON (mmsm.source = bre.id)
+ JOIN metabib.metarecord mmr ON (mmr.id = mmsm.metarecord)
+ WHERE mmr.id = obj_id AND NOT bre.deleted
+ ORDER BY CASE WHEN bre.id = mmr.master_record THEN 0 ELSE bre.id END
+ LIMIT COALESCE((slimit->'bre')::INT, 5) LOOP
+
+ IF subrec.id = leadrec.id THEN CONTINUE; END IF;
+ -- Append choice data from the the non-lead records to the
+ -- the lead record document
+
+ parts := parts || xpath(sub_xpath, subrec.marc::XML)::TEXT[];
+ END LOOP;
+
+ SELECT ARRAY_TO_STRING( ARRAY_AGG( DISTINCT p ), '' )::XML INTO subxml FROM UNNEST(parts) p;
+
+ -- append data from the subordinate records to the
+ -- main record document before applying the XSLT
+
+ IF subxml IS NOT NULL THEN
+ xml_buf := REGEXP_REPLACE(xml_buf,
+ '</record>(.*?)$', subxml || '</record>' || E'\\1');
+ END IF;
+
+ IF format = 'marcxml' THEN
+ -- If we're not using the prefixed namespace in
+ -- this record, then remove all declarations of it
+ IF xml_buf !~ E'<marc:' THEN
+ xml_buf := REGEXP_REPLACE(xml_buf,
+ ' xmlns:marc="http://www.loc.gov/MARC21/slim"', '', 'g');
+ END IF;
+ ELSE
+ xml_buf := oils_xslt_process(xml_buf, xfrm.xslt)::XML;
+ END IF;
+
+ -- update top_el to reflect the change in xml_buf, which may
+ -- now be a different type of document (e.g. record -> mods)
+ top_el := REGEXP_REPLACE(xml_buf, E'^.*?<((?:\\S+:)?' ||
+ layout.holdings_element || ').*$', E'\\1');
+
+ IF axml IS NOT NULL THEN
+ xml_buf := REGEXP_REPLACE(xml_buf,
+ '</' || top_el || '>(.*?)$', axml || '</' || top_el || E'>\\1');
+ END IF;
+
+ IF hxml IS NOT NULL THEN
+ xml_buf := REGEXP_REPLACE(xml_buf,
+ '</' || top_el || '>(.*?)$', hxml || '</' || top_el || E'>\\1');
+ END IF;
+
+ IF ('mmr.unapi' = ANY (includes)) THEN
+ output := REGEXP_REPLACE(
+ xml_buf,
+ '</' || top_el || '>(.*?)',
+ XMLELEMENT(
+ name abbr,
+ XMLATTRIBUTES(
+ 'http://www.w3.org/1999/xhtml' AS xmlns,
+ 'unapi-id' AS class,
+ 'tag:open-ils.org:U2@mmr/' || obj_id || '/' || org AS title
+ )
+ )::TEXT || '</' || top_el || E'>\\1'
+ );
+ ELSE
+ output := xml_buf;
+ END IF;
+
+ -- remove ignorable whitesace
+ output := REGEXP_REPLACE(output::TEXT,E'>\\s+<','><','gs')::XML;
+ RETURN output;
+END;
+$F$ LANGUAGE PLPGSQL STABLE;
+