--- /dev/null
+-- make record attributes definitions that use xpath to extract values
+-- work
+
+BEGIN;
+
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE OR REPLACE FUNCTION metabib.reingest_record_attributes (rid BIGINT, pattr_list TEXT[] DEFAULT NULL, prmarc TEXT DEFAULT NULL, rdeleted BOOL DEFAULT TRUE) RETURNS VOID AS $func$
+DECLARE
+ transformed_xml TEXT;
+ rmarc TEXT := prmarc;
+ tmp_val TEXT;
+ prev_xfrm TEXT;
+ normalizer RECORD;
+ xfrm config.xml_transform%ROWTYPE;
+ attr_vector INT[] := '{}'::INT[];
+ attr_vector_tmp INT[];
+ attr_list TEXT[] := pattr_list;
+ attr_value TEXT[];
+ norm_attr_value TEXT[];
+ tmp_xml TEXT;
+ attr_def config.record_attr_definition%ROWTYPE;
+ ccvm_row config.coded_value_map%ROWTYPE;
+BEGIN
+
+ IF attr_list IS NULL OR rdeleted THEN -- need to do the full dance on INSERT or undelete
+ SELECT ARRAY_AGG(name) INTO attr_list FROM config.record_attr_definition;
+ END IF;
+
+ IF rmarc IS NULL THEN
+ SELECT marc INTO rmarc FROM biblio.record_entry WHERE id = rid;
+ END IF;
+
+ FOR attr_def IN SELECT * FROM config.record_attr_definition WHERE NOT composite AND name = ANY( attr_list ) ORDER BY format LOOP
+
+ attr_value := '{}'::TEXT[];
+ norm_attr_value := '{}'::TEXT[];
+ attr_vector_tmp := '{}'::INT[];
+
+ SELECT * INTO ccvm_row FROM config.coded_value_map c WHERE c.ctype = attr_def.name LIMIT 1;
+
+ -- tag+sf attrs only support SVF
+ IF attr_def.tag IS NOT NULL THEN -- tag (and optional subfield list) selection
+ SELECT ARRAY[ARRAY_TO_STRING(ARRAY_AGG(value), COALESCE(attr_def.joiner,' '))] INTO attr_value
+ FROM (SELECT * FROM metabib.full_rec ORDER BY tag, subfield) AS x
+ WHERE record = rid
+ AND tag LIKE attr_def.tag
+ AND CASE
+ WHEN attr_def.sf_list IS NOT NULL
+ THEN POSITION(subfield IN attr_def.sf_list) > 0
+ ELSE TRUE
+ END
+ GROUP BY tag
+ ORDER BY tag
+ LIMIT 1;
+
+ ELSIF attr_def.fixed_field IS NOT NULL THEN -- a named fixed field, see config.marc21_ff_pos_map.fixed_field
+ attr_value := vandelay.marc21_extract_fixed_field_list(rmarc, attr_def.fixed_field);
+
+ IF NOT attr_def.multi THEN
+ attr_value := ARRAY[attr_value[1]];
+ END IF;
+
+ ELSIF attr_def.xpath IS NOT NULL THEN -- and xpath expression
+
+ SELECT INTO xfrm * FROM config.xml_transform WHERE name = attr_def.format;
+
+ -- See if we can skip the XSLT ... it's expensive
+ IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
+ -- Can't skip the transform
+ IF xfrm.xslt <> '---' THEN
+ transformed_xml := oils_xslt_process(rmarc,xfrm.xslt);
+ ELSE
+ transformed_xml := rmarc;
+ END IF;
+
+ prev_xfrm := xfrm.name;
+ END IF;
+
+ IF xfrm.name IS NULL THEN
+ -- just grab the marcxml (empty) transform
+ SELECT INTO xfrm * FROM config.xml_transform WHERE xslt = '---' LIMIT 1;
+ prev_xfrm := xfrm.name;
+ END IF;
+
+ FOR tmp_xml IN SELECT UNNEST(oils_xpath(attr_def.xpath, transformed_xml, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]])) LOOP
+ tmp_val := oils_xpath_string(
+ '//*',
+ tmp_xml,
+ COALESCE(attr_def.joiner,' '),
+ ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
+ );
+ IF tmp_val IS NOT NULL AND BTRIM(tmp_val) <> '' THEN
+ attr_value := attr_value || tmp_val;
+ EXIT WHEN NOT attr_def.multi;
+ END IF;
+ END LOOP;
+
+ ELSIF attr_def.phys_char_sf IS NOT NULL THEN -- a named Physical Characteristic, see config.marc21_physical_characteristic_*_map
+ SELECT ARRAY_AGG(m.value) INTO attr_value
+ FROM vandelay.marc21_physical_characteristics(rmarc) v
+ LEFT JOIN config.marc21_physical_characteristic_value_map m ON (m.id = v.value)
+ WHERE v.subfield = attr_def.phys_char_sf AND (m.value IS NOT NULL AND BTRIM(m.value) <> '')
+ AND ( ccvm_row.id IS NULL OR ( ccvm_row.id IS NOT NULL AND v.id IS NOT NULL) );
+
+ IF NOT attr_def.multi THEN
+ attr_value := ARRAY[attr_value[1]];
+ END IF;
+
+ END IF;
+
+ -- apply index normalizers to attr_value
+ FOR tmp_val IN SELECT value FROM UNNEST(attr_value) x(value) LOOP
+ FOR normalizer IN
+ SELECT n.func AS func,
+ n.param_count AS param_count,
+ m.params AS params
+ FROM config.index_normalizer n
+ JOIN config.record_attr_index_norm_map m ON (m.norm = n.id)
+ WHERE attr = attr_def.name
+ ORDER BY m.pos LOOP
+ EXECUTE 'SELECT ' || normalizer.func || '(' ||
+ COALESCE( quote_literal( tmp_val ), 'NULL' ) ||
+ CASE
+ WHEN normalizer.param_count > 0
+ THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
+ ELSE ''
+ END ||
+ ')' INTO tmp_val;
+
+ END LOOP;
+ IF tmp_val IS NOT NULL AND tmp_val <> '' THEN
+ -- note that a string that contains only blanks
+ -- is a valid value for some attributes
+ norm_attr_value := norm_attr_value || tmp_val;
+ END IF;
+ END LOOP;
+
+ IF attr_def.filter THEN
+ -- Create unknown uncontrolled values and find the IDs of the values
+ IF ccvm_row.id IS NULL THEN
+ FOR tmp_val IN SELECT value FROM UNNEST(norm_attr_value) x(value) LOOP
+ IF tmp_val IS NOT NULL AND BTRIM(tmp_val) <> '' THEN
+ BEGIN -- use subtransaction to isolate unique constraint violations
+ INSERT INTO metabib.uncontrolled_record_attr_value ( attr, value ) VALUES ( attr_def.name, tmp_val );
+ EXCEPTION WHEN unique_violation THEN END;
+ END IF;
+ END LOOP;
+
+ SELECT ARRAY_AGG(id) INTO attr_vector_tmp FROM metabib.uncontrolled_record_attr_value WHERE attr = attr_def.name AND value = ANY( norm_attr_value );
+ ELSE
+ SELECT ARRAY_AGG(id) INTO attr_vector_tmp FROM config.coded_value_map WHERE ctype = attr_def.name AND code = ANY( norm_attr_value );
+ END IF;
+
+ -- Add the new value to the vector
+ attr_vector := attr_vector || attr_vector_tmp;
+ END IF;
+
+ IF attr_def.sorter AND norm_attr_value[1] IS NOT NULL THEN
+ DELETE FROM metabib.record_sorter WHERE source = rid AND attr = attr_def.name;
+ INSERT INTO metabib.record_sorter (source, attr, value) VALUES (rid, attr_def.name, norm_attr_value[1]);
+ END IF;
+
+ END LOOP;
+
+/* We may need to rewrite the vlist to contain
+ the intersection of new values for requested
+ attrs and old values for ignored attrs. To
+ do this, we take the old attr vlist and
+ subtract any values that are valid for the
+ requested attrs, and then add back the new
+ set of attr values. */
+
+ IF ARRAY_LENGTH(pattr_list, 1) > 0 THEN
+ SELECT vlist INTO attr_vector_tmp FROM metabib.record_attr_vector_list WHERE source = rid;
+ SELECT attr_vector_tmp - ARRAY_AGG(id::INT) INTO attr_vector_tmp FROM metabib.full_attr_id_map WHERE attr = ANY (pattr_list);
+ attr_vector := attr_vector || attr_vector_tmp;
+ END IF;
+
+ -- On to composite attributes, now that the record attrs have been pulled. Processed in name order, so later composite
+ -- attributes can depend on earlier ones.
+ PERFORM metabib.compile_composite_attr_cache_init();
+ FOR attr_def IN SELECT * FROM config.record_attr_definition WHERE composite AND name = ANY( attr_list ) ORDER BY name LOOP
+
+ FOR ccvm_row IN SELECT * FROM config.coded_value_map c WHERE c.ctype = attr_def.name ORDER BY value LOOP
+
+ tmp_val := metabib.compile_composite_attr( ccvm_row.id );
+ CONTINUE WHEN tmp_val IS NULL OR tmp_val = ''; -- nothing to do
+
+ IF attr_def.filter THEN
+ IF attr_vector @@ tmp_val::query_int THEN
+ attr_vector = attr_vector + intset(ccvm_row.id);
+ EXIT WHEN NOT attr_def.multi;
+ END IF;
+ END IF;
+
+ IF attr_def.sorter THEN
+ IF attr_vector @@ tmp_val THEN
+ DELETE FROM metabib.record_sorter WHERE source = rid AND attr = attr_def.name;
+ INSERT INTO metabib.record_sorter (source, attr, value) VALUES (rid, attr_def.name, ccvm_row.code);
+ END IF;
+ END IF;
+
+ END LOOP;
+
+ END LOOP;
+
+ IF ARRAY_LENGTH(attr_vector, 1) > 0 THEN
+ IF rdeleted THEN -- initial insert OR revivication
+ DELETE FROM metabib.record_attr_vector_list WHERE source = rid;
+ INSERT INTO metabib.record_attr_vector_list (source, vlist) VALUES (rid, attr_vector);
+ ELSE
+ UPDATE metabib.record_attr_vector_list SET vlist = attr_vector WHERE source = rid;
+ END IF;
+ END IF;
+
+END;
+
+$func$ LANGUAGE PLPGSQL;
+
+COMMIT;
projects / working / Evergreen.git / commitdiff