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Handle empty files table when upgrading from schema v11 -> v12

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This commit is contained in:
Julien BLACHE 2011-04-06 18:38:53 +02:00
parent 7984b4baea
commit 54c5314712
1 changed files with 24 additions and 13 deletions
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11
src/db.c
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@ -4370,6 +4370,10 @@ db_upgrade_v12(void)
goto out_fclose;
}
if (sb.st_size == 0)
dump = NULL;
else
{
dump = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (dump == MAP_FAILED)
{
@ -4378,6 +4382,7 @@ db_upgrade_v12(void)
ret = -1;
goto out_fclose;
}
}
/* Move old table out of the way */
DPRINTF(E_LOG, L_DB, "Moving old files table out of the way...\n");
@ -4410,6 +4415,8 @@ db_upgrade_v12(void)
/* Reload dump */
DPRINTF(E_LOG, L_DB, "Reloading new files table...\n");
if (dump)
{
ret = sqlite3_exec(hdl, dump, NULL, NULL, &errmsg);
if (ret != SQLITE_OK)
{
@ -4420,6 +4427,7 @@ db_upgrade_v12(void)
ret = -1;
goto out_munmap;
}
}
/* Delete old files table */
DPRINTF(E_LOG, L_DB, "Deleting old files table...\n");
@ -4434,8 +4442,11 @@ db_upgrade_v12(void)
}
out_munmap:
if (dump)
{
if (munmap(dump, sb.st_size) < 0)
DPRINTF(E_LOG, L_DB, "Could not unmap dump file: %s\n", strerror(errno));
}
out_fclose:
fclose(fp);