From 40ab6dfb01b62ae40094f0514f28ad0eaa4f2320 Mon Sep 17 00:00:00 2001
From: Ron Pedde <ron@pedde.com>
Date: Thu, 12 Jan 2006 06:20:15 +0000
Subject: [PATCH] Preserve playlists on db upgrades

---
 src/db-sql-sqlite2.c | 9 +++++++--
 src/db-sql-sqlite3.c | 9 +++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/db-sql-sqlite2.c b/src/db-sql-sqlite2.c
index 6957df01..c5c464ac 100644
--- a/src/db-sql-sqlite2.c
+++ b/src/db-sql-sqlite2.c
@@ -145,7 +145,11 @@ int db_sqlite2_open(char **pe, char *dsn) {
         /* we'll catch this on the init */
         DPRINTF(E_LOG,L_DB,"Can't get db version. New database?\n");
     } else if(ver != DB_SQLITE2_VERSION) {
-        DPRINTF(E_FATAL,L_DB,"Can't upgrade database!\n");
+        DPRINTF(E_LOG,L_DB,"Old database version -- forcing rescan\n");
+        err=db_sqlite2_exec(pe,E_FATAL,"insert into config (term,value) values "
+                        "('rescan','1')");
+        if(err != DB_E_SUCCESS)
+            return err;
     }
 
     return DB_E_SUCCESS;
@@ -320,7 +324,8 @@ int db_sqlite2_event(int event_type) {
         db_sqlite2_exec(NULL,E_DBG,"drop index idx_playlistid");
 
         db_sqlite2_exec(NULL,E_DBG,"drop table songs");
-        db_sqlite2_exec(NULL,E_DBG,"drop table playlists");
+	//        db_sqlite2_exec(NULL,E_DBG,"drop table playlists");
+        db_sqlite2_exec(NULL,E_DBG,"delete from playlists where not type=1");
         db_sqlite2_exec(NULL,E_DBG,"drop table playlistitems");
         db_sqlite2_exec(NULL,E_DBG,"drop table config");
 
diff --git a/src/db-sql-sqlite3.c b/src/db-sql-sqlite3.c
index 54a56797..d744566a 100644
--- a/src/db-sql-sqlite3.c
+++ b/src/db-sql-sqlite3.c
@@ -143,7 +143,11 @@ int db_sqlite3_open(char **pe, char *dsn) {
         /* we'll catch this on the init */
         DPRINTF(E_LOG,L_DB,"Can't get db version. New database?\n");
     } else if(ver != DB_SQLITE3_VERSION) {
-        DPRINTF(E_FATAL,L_DB,"Can't upgrade database!\n");
+        DPRINTF(E_LOG,L_DB,"Old database version -- forcing rescan\n");
+        err=db_sqlite3_exec(pe,E_FATAL,"insert into config (term,value) values "
+                        "('rescan','1')");
+        if(err != DB_E_SUCCESS)
+            return err;
     }
 
     return DB_E_SUCCESS;
@@ -341,7 +345,8 @@ int db_sqlite3_event(int event_type) {
         db_sqlite3_exec(NULL,E_DBG,"drop index idx_playlistid");
 
         db_sqlite3_exec(NULL,E_DBG,"drop table songs");
-        db_sqlite3_exec(NULL,E_DBG,"drop table playlists");
+//        db_sqlite3_exec(NULL,E_DBG,"drop table playlists");
+        db_sqlite3_exec(NULL,E_DBG,"delete from playlists where not type=1");
         db_sqlite3_exec(NULL,E_DBG,"drop table playlistitems");
         db_sqlite3_exec(NULL,E_DBG,"drop table config");