LP#1505286: use older syntax for Pg 9.2+

This makes no function difference, but potentially might
remove a small speed bump for folks doing detailed schema
diffs.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index 96263af..915ffbe 100644 (file)
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -91,7 +91,7 @@ CREATE TRIGGER no_overlapping_deps
     BEFORE INSERT OR UPDATE ON config.db_patch_dependencies
     FOR EACH ROW EXECUTE PROCEDURE evergreen.array_overlap_check ('deprecates');
 
-INSERT INTO config.upgrade_log (version, applied_to) VALUES ('0969', :eg_version); -- jeffdavis/stompro
+INSERT INTO config.upgrade_log (version, applied_to) VALUES ('0970', :eg_version); -- Dyrcona/gmcharlt
 
 CREATE TABLE config.bib_source (
        id              SERIAL  PRIMARY KEY,

diff --git a/Open-ILS/src/sql/Pg/upgrade/0970.schema.limit_facets_pg91_compat.sql b/Open-ILS/src/sql/Pg/upgrade/0970.schema.limit_facets_pg91_compat.sql
new file mode 100644 (file)
index 0000000..26dc8b4
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/0970.schema.limit_facets_pg91_compat.sql
@@ -0,0 +1,43 @@
+BEGIN;
+
+SELECT evergreen.upgrade_deps_block_check('0970', :eg_version); -- Dyrcona/gmcharlt
+
+CREATE OR REPLACE FUNCTION search.facets_for_record_set(ignore_facet_classes TEXT[], hits BIGINT[]) RETURNS TABLE (id INT, value TEXT, count BIGINT) AS $$
+    SELECT id, value, count FROM (
+        SELECT mfae.field AS id,
+               mfae.value,
+               COUNT(DISTINCT mmrsm.source),
+               row_number() OVER (
+                PARTITION BY mfae.field ORDER BY COUNT(distinct mmrsm.source) DESC
+               ) AS rownum
+        FROM metabib.facet_entry mfae
+        JOIN metabib.metarecord_source_map mmrsm ON (mfae.source = mmrsm.source)
+        JOIN config.metabib_field cmf ON (cmf.id = mfae.field)
+        WHERE mmrsm.source IN (SELECT * FROM unnest($2))
+        AND cmf.facet_field
+        AND cmf.field_class NOT IN (SELECT * FROM unnest($1))
+        GROUP by 1, 2
+    ) all_facets
+    WHERE rownum <= (SELECT COALESCE((SELECT value::INT FROM config.global_flag WHERE name = 'search.max_facets_per_field' AND enabled), 1000));
+$$ LANGUAGE SQL;
+
+CREATE OR REPLACE FUNCTION search.facets_for_metarecord_set(ignore_facet_classes TEXT[], hits BIGINT[]) RETURNS TABLE (id INT, value TEXT, count BIGINT) AS $$
+    SELECT id, value, count FROM (
+        SELECT mfae.field AS id,
+               mfae.value,
+               COUNT(DISTINCT mmrsm.metarecord),
+               row_number() OVER (
+                PARTITION BY mfae.field ORDER BY COUNT(distinct mmrsm.metarecord) DESC
+               ) AS rownum
+        FROM metabib.facet_entry mfae
+        JOIN metabib.metarecord_source_map mmrsm ON (mfae.source = mmrsm.source)
+        JOIN config.metabib_field cmf ON (cmf.id = mfae.field)
+        WHERE mmrsm.metarecord IN (SELECT * FROM unnest($2))
+        AND cmf.facet_field
+        AND cmf.field_class NOT IN (SELECT * FROM unnest($1))
+        GROUP by 1, 2
+    ) all_facets
+    WHERE rownum <= (SELECT COALESCE((SELECT value::INT FROM config.global_flag WHERE name = 'search.max_facets_per_field' AND enabled), 1000));
+$$ LANGUAGE SQL;
+
+COMMIT;