add ingest.metarecord_mapping.skip_on_update internal flag

Enabling this allows bibliographic reingests (for new/changed indexes
or after data changes that don't affect the fingerprint) to be run
in parallel without lock contention on metarecord.metarecord* operations.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
git-svn-id: svn://svn.open-ils.org/ILS/trunk@17862 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index b5ed575..22c6362 100644 (file)
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -52,6 +52,7 @@ CREATE TABLE config.internal_flag (
     enabled BOOL    NOT NULL DEFAULT FALSE
 );
 INSERT INTO config.internal_flag (name) VALUES ('ingest.metarecord_mapping.skip_on_insert');
+INSERT INTO config.internal_flag (name) VALUES ('ingest.metarecord_mapping.skip_on_update');
 INSERT INTO config.internal_flag (name) VALUES ('ingest.reingest.force_on_same_marc');
 INSERT INTO config.internal_flag (name) VALUES ('ingest.disable_located_uri');
 INSERT INTO config.internal_flag (name) VALUES ('ingest.disable_metabib_full_rec');
@@ -68,7 +69,7 @@ CREATE TABLE config.upgrade_log (
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0409'); -- senator
+INSERT INTO config.upgrade_log (version) VALUES ('0410'); -- gmc
 
 CREATE TABLE config.bib_source (
        id              SERIAL  PRIMARY KEY,

diff --git a/Open-ILS/src/sql/Pg/030.schema.metabib.sql b/Open-ILS/src/sql/Pg/030.schema.metabib.sql
index c9e8316..7be8ff3 100644 (file)
--- a/Open-ILS/src/sql/Pg/030.schema.metabib.sql
+++ b/Open-ILS/src/sql/Pg/030.schema.metabib.sql
@@ -964,7 +964,10 @@ BEGIN
             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 metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
+        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;

diff --git a/Open-ILS/src/sql/Pg/upgrade/0410.schema.allow_parallel_reingest.sql b/Open-ILS/src/sql/Pg/upgrade/0410.schema.allow_parallel_reingest.sql
new file mode 100644 (file)
index 0000000..87f48ba
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/0410.schema.allow_parallel_reingest.sql
@@ -0,0 +1,74 @@
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0410'); -- gmc
+
+INSERT INTO config.internal_flag (name) VALUES ('ingest.metarecord_mapping.skip_on_update');
+
+-- AFTER UPDATE OR INSERT trigger for biblio.record_entry
+CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
+BEGIN
+
+    IF NEW.deleted IS TRUE THEN -- If this bib is deleted
+        DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id; -- Rid ourselves of the search-estimate-killing linkage
+        DELETE FROM authority.bib_linking WHERE bib = NEW.id; -- Avoid updating fields in bibs that are no longer visible
+        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);
+        PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_rec_descriptor' AND enabled;
+        IF NOT FOUND THEN
+            PERFORM metabib.reingest_metabib_rec_descriptor(NEW.id);
+        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;
+
+COMMIT;