Change Sqlite Journaling to WAL to potentially improve concurrent performance

core/src/main/resources/sqlScripts/0031-sqlite-useSqliteWalJournaling.sql

@@ -0,0 +1,8 @@
+
+-- these PRAGMA's will automatically commit, so we have to disable
+-- DH's automatic transactions, otherwise the connection will throw an error
+
+--No Transactions--
+
+pragma journal_mode = WAL;
+pragma synchronous = NORMAL;

core/src/main/resources/sqlScripts/scriptList.txt

@@ -2,4 +2,5 @@
 0010-sqlite-createInitialDataTables.sql
 0020-sqlite-createFullDataSourceV2Tables.sql
 0030-sqlite-changeTableJournaling.sql
+0031-sqlite-useSqliteWalJournaling.sql
 0040-sqlite-removeRenderCache.sql