Merge pull request #4379 from pi-hole/tweak/vw_adlist

Simplify vw_adlist

advanced/Scripts/database_migration/gravity-db.sh

@@ -122,4 +122,10 @@ upgrade_gravityDB(){
 		sqlite3 "${database}" < "${scriptPath}/13_to_14.sql"
 		version=14
 	fi
+	if [[ "$version" == "14" ]]; then
+	# Changes the vw_adlist created in 5_to_6
+	echo -e "  ${INFO} Upgrading gravity database from version 14 to 15"
+	sqlite3 "${database}" < "${scriptPath}/14_to_15.sql"
+	version=15
+fi
 }

advanced/Scripts/database_migration/gravity/13_to_14.sql

@@ -10,4 +10,4 @@ ALTER TABLE adlist ADD COLUMN status INTEGER NOT NULL DEFAULT 0;
 
 UPDATE info SET value = 14 WHERE property = 'version';
 
-COMMIT;
+COMMIT;

advanced/Scripts/database_migration/gravity/14_to_15.sql

@@ -0,0 +1,15 @@
+.timeout 30000
+
+PRAGMA FOREIGN_KEYS=OFF;
+
+BEGIN TRANSACTION;
+DROP VIEW vw_adlist;
+
+CREATE VIEW vw_adlist AS SELECT DISTINCT address, id
+    FROM adlist
+    WHERE enabled = 1
+    ORDER BY id;
+
+UPDATE info SET value = 15 WHERE property = 'version';
+
+COMMIT;

advanced/Templates/gravity.db.sql

@@ -57,7 +57,7 @@ CREATE TABLE info
 	value TEXT NOT NULL
 );
 
-INSERT INTO "info" VALUES('version','14');
+INSERT INTO "info" VALUES('version','15');
 
 CREATE TABLE domain_audit
 (
@@ -143,12 +143,10 @@ CREATE VIEW vw_gravity AS SELECT domain, adlist_by_group.group_id AS group_id
     LEFT JOIN "group" ON "group".id = adlist_by_group.group_id
     WHERE adlist.enabled = 1 AND (adlist_by_group.group_id IS NULL OR "group".enabled = 1);
 
-CREATE VIEW vw_adlist AS SELECT DISTINCT address, adlist.id AS id
+CREATE VIEW vw_adlist AS SELECT DISTINCT address, id
     FROM adlist
-    LEFT JOIN adlist_by_group ON adlist_by_group.adlist_id = adlist.id
-    LEFT JOIN "group" ON "group".id = adlist_by_group.group_id
-    WHERE adlist.enabled = 1 AND (adlist_by_group.group_id IS NULL OR "group".enabled = 1)
-    ORDER BY adlist.id;
+    WHERE enabled = 1
+    ORDER BY id;
 
 CREATE TRIGGER tr_domainlist_add AFTER INSERT ON domainlist
     BEGIN