1 -- Evergreen DB patch 0590.schema.more_cache_visibility_breakage.sql
7 -- check whether patch can be applied
8 SELECT evergreen.upgrade_deps_block_check('0590', :eg_version);
10 CREATE OR REPLACE FUNCTION asset.cache_copy_visibility () RETURNS TRIGGER as $func$
17 do_add BOOLEAN := false;
18 do_remove BOOLEAN := false;
21 SELECT cp.id, cp.circ_lib, cn.record, cn.id AS call_number, cp.location, cp.status
23 JOIN asset.call_number cn ON (cn.id = cp.call_number)
24 JOIN actor.org_unit a ON (cp.circ_lib = a.id)
25 JOIN asset.copy_location cl ON (cp.location = cl.id)
26 JOIN config.copy_status cs ON (cp.status = cs.id)
27 JOIN biblio.record_entry b ON (cn.record = b.id)
37 SELECT cp.id, cp.circ_lib, pbcm.peer_record AS record, NULL AS call_number, cp.location, cp.status
39 JOIN biblio.peer_bib_copy_map pbcm ON (pbcm.target_copy = cp.id)
40 JOIN actor.org_unit a ON (cp.circ_lib = a.id)
41 JOIN asset.copy_location cl ON (cp.location = cl.id)
42 JOIN config.copy_status cs ON (cp.status = cs.id)
50 INSERT INTO asset.opac_visible_copies (copy_id, circ_lib, record)
51 SELECT id, circ_lib, record FROM (
57 remove_query := $$ DELETE FROM asset.opac_visible_copies WHERE copy_id IN ( SELECT id FROM asset.copy WHERE $$;
59 IF TG_TABLE_NAME = 'peer_bib_copy_map' THEN
60 IF TG_OP = 'INSERT' THEN
61 add_peer_query := add_peer_query || ' AND cp.id = ' || NEW.target_copy || ' AND pbcm.record = ' || NEW.peer_record;
62 EXECUTE add_front || add_peer_query || add_back;
65 remove_query := 'DELETE FROM asset.opac_visible_copies WHERE copy_id = ' || OLD.target_copy || ' AND record = ' || OLD.peer_record || ';';
71 IF TG_OP = 'INSERT' THEN
73 IF TG_TABLE_NAME IN ('copy', 'unit') THEN
74 add_base_query := add_base_query || ' AND cp.id = ' || NEW.id;
75 EXECUTE add_front || add_base_query || add_back;
82 -- handle items first, since with circulation activity
83 -- their statuses change frequently
84 IF TG_TABLE_NAME IN ('copy', 'unit') THEN
86 IF OLD.location <> NEW.location OR
87 OLD.call_number <> NEW.call_number OR
88 OLD.status <> NEW.status OR
89 OLD.circ_lib <> NEW.circ_lib THEN
90 -- any of these could change visibility, but
91 -- we'll save some queries and not try to calculate
92 -- the change directly
97 IF OLD.deleted <> NEW.deleted THEN
105 IF OLD.opac_visible <> NEW.opac_visible THEN
106 IF OLD.opac_visible THEN
108 ELSIF NOT do_remove THEN -- handle edge case where deleted item
109 -- is also marked opac_visible
117 DELETE FROM asset.opac_visible_copies WHERE copy_id = NEW.id;
120 add_base_query := add_base_query || ' AND cp.id = ' || NEW.id;
121 add_peer_query := add_peer_query || ' AND cp.id = ' || NEW.id;
122 EXECUTE add_front || add_base_query || ' UNION ' || add_peer_query || add_back;
129 IF TG_TABLE_NAME IN ('call_number', 'record_entry') THEN -- these have a 'deleted' column
131 IF OLD.deleted AND NEW.deleted THEN -- do nothing
135 ELSIF NEW.deleted THEN -- remove rows
137 IF TG_TABLE_NAME = 'call_number' THEN
138 DELETE FROM asset.opac_visible_copies WHERE copy_id IN (SELECT id FROM asset.copy WHERE call_number = NEW.id);
139 ELSIF TG_TABLE_NAME = 'record_entry' THEN
140 DELETE FROM asset.opac_visible_copies WHERE record = NEW.id;
145 ELSIF OLD.deleted THEN -- add rows
147 IF TG_TABLE_NAME = 'call_number' THEN
148 add_base_query := add_base_query || ' AND cn.id = ' || NEW.id;
149 EXECUTE add_front || add_base_query || add_back;
150 ELSIF TG_TABLE_NAME = 'record_entry' THEN
151 add_base_query := add_base_query || ' AND cn.record = ' || NEW.id;
152 add_peer_query := add_peer_query || ' AND pbcm.record = ' || NEW.id;
153 EXECUTE add_front || add_base_query || ' UNION ' || add_peer_query || add_back;
162 IF TG_TABLE_NAME = 'call_number' THEN
164 IF OLD.record <> NEW.record THEN
165 -- call number is linked to different bib
166 remove_query := remove_query || 'call_number = ' || NEW.id || ');';
167 EXECUTE remove_query;
168 add_base_query := add_base_query || ' AND cn.id = ' || NEW.id;
169 EXECUTE add_front || add_base_query || add_back;
176 IF TG_TABLE_NAME IN ('record_entry') THEN
177 RETURN NEW; -- don't have 'opac_visible'
180 -- actor.org_unit, asset.copy_location, asset.copy_status
181 IF NEW.opac_visible = OLD.opac_visible THEN -- do nothing
185 ELSIF NEW.opac_visible THEN -- add rows
187 IF TG_TABLE_NAME = 'org_unit' THEN
188 add_base_query := add_base_query || ' AND cp.circ_lib = ' || NEW.id;
189 add_peer_query := add_peer_query || ' AND cp.circ_lib = ' || NEW.id;
190 ELSIF TG_TABLE_NAME = 'copy_location' THEN
191 add_base_query := add_base_query || ' AND cp.location = ' || NEW.id;
192 add_peer_query := add_peer_query || ' AND cp.location = ' || NEW.id;
193 ELSIF TG_TABLE_NAME = 'copy_status' THEN
194 add_base_query := add_base_query || ' AND cp.status = ' || NEW.id;
195 add_peer_query := add_peer_query || ' AND cp.status = ' || NEW.id;
198 EXECUTE add_front || add_base_query || ' UNION ' || add_peer_query || add_back;
202 IF TG_TABLE_NAME = 'org_unit' THEN
203 remove_query := 'DELETE FROM asset.opac_visible_copies WHERE circ_lib = ' || NEW.id || ';';
204 ELSIF TG_TABLE_NAME = 'copy_location' THEN
205 remove_query := remove_query || 'location = ' || NEW.id || ');';
206 ELSIF TG_TABLE_NAME = 'copy_status' THEN
207 remove_query := remove_query || 'status = ' || NEW.id || ');';
210 EXECUTE remove_query;
216 $func$ LANGUAGE PLPGSQL;