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[db] Be forwards compatible with tables that have additional columns

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This commit is contained in:
ejurgensen 2018-09-02 23:38:46 +02:00
parent a29772e8be
commit 350361e8bb
1 changed files with 39 additions and 25 deletions
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64
src/db.c
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@ -629,7 +629,7 @@ unicode_fixup_mfi(struct media_file_info *mfi)
char **field;
int i;
for (i = 0; i < (sizeof(mfi_cols_map) / sizeof(mfi_cols_map[0])); i++)
for (i = 0; i < ARRAY_SIZE(mfi_cols_map); i++)
{
if (mfi_cols_map[i].type != DB_TYPE_STRING)
continue;
@ -2018,13 +2018,14 @@ db_query_fetch_file(struct query_params *qp, struct db_media_file_info *dbmfi)
ncols = sqlite3_column_count(qp->stmt);
if (sizeof(dbmfi_cols_map) / sizeof(dbmfi_cols_map[0]) != ncols)
// We allow more cols in db than in map because the db may be a future schema
if (ncols < ARRAY_SIZE(dbmfi_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: dbmfi column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than dbmfi column map (%lu)\n", ncols, ARRAY_SIZE(dbmfi_cols_map));
return -1;
}
for (i = 0; i < ncols; i++)
for (i = 0; i < ARRAY_SIZE(dbmfi_cols_map); i++)
{
strcol = (char **) ((char *)dbmfi + dbmfi_cols_map[i]);
@ -2075,15 +2076,12 @@ db_query_fetch_pl(struct query_params *qp, struct db_playlist_info *dbpli, int w
ncols = sqlite3_column_count(qp->stmt);
if (ARRAY_SIZE(dbpli_cols_map) > ncols)
// We allow more cols in db than in map because the db may be a future schema
if (ncols < ARRAY_SIZE(dbpli_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: dbpli column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than dbpli column map (%lu)\n", ncols, ARRAY_SIZE(dbpli_cols_map));
return -1;
}
if (ARRAY_SIZE(dbpli_cols_map) < ncols)
{
DPRINTF(E_LOG, L_DB, "dbpli column map out of sync with schema, database schema does not match forked-daapd version!\n");
}
for (i = 0; i < ARRAY_SIZE(dbpli_cols_map); i++)
{
@ -2173,13 +2171,14 @@ db_query_fetch_group(struct query_params *qp, struct db_group_info *dbgri)
ncols = sqlite3_column_count(qp->stmt);
if (sizeof(dbgri_cols_map) / sizeof(dbgri_cols_map[0]) != ncols)
// We allow more cols in db than in map because the db may be a future schema
if (ncols < ARRAY_SIZE(dbgri_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: dbgri column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than dbgri column map (%lu)\n", ncols, ARRAY_SIZE(dbgri_cols_map));
return -1;
}
for (i = 0; i < ncols; i++)
for (i = 0; i < ARRAY_SIZE(dbgri_cols_map); i++)
{
strcol = (char **) ((char *)dbgri + dbgri_cols_map[i]);
@ -2658,16 +2657,17 @@ db_file_fetch_byquery(char *query)
ncols = sqlite3_column_count(stmt);
if (sizeof(mfi_cols_map) / sizeof(mfi_cols_map[0]) != ncols)
// We allow more cols in db than in map because the db may be a future schema
if (ncols < ARRAY_SIZE(mfi_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: mfi column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than mfi column map (%lu)\n", ncols, ARRAY_SIZE(mfi_cols_map));
sqlite3_finalize(stmt);
free(mfi);
return NULL;
}
for (i = 0; i < ncols; i++)
for (i = 0; i < ARRAY_SIZE(mfi_cols_map); i++)
{
switch (mfi_cols_map[i].type)
{
@ -3268,18 +3268,14 @@ db_pl_fetch_byquery(const char *query)
ncols = sqlite3_column_count(stmt);
if (ARRAY_SIZE(pli_cols_map) > ncols)
if (ncols < ARRAY_SIZE(pli_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: pli column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than pli column map (%lu)\n", ncols, ARRAY_SIZE(pli_cols_map));
sqlite3_finalize(stmt);
free(pli);
return NULL;
}
if (ARRAY_SIZE(pli_cols_map) < ncols)
{
DPRINTF(E_LOG, L_DB, "BUG: pli column map out of sync with schema\n");
}
for (i = 0; i < ARRAY_SIZE(pli_cols_map); i++)
{
@ -6029,16 +6025,16 @@ db_watch_get_byquery(struct watch_info *wi, char *query)
ncols = sqlite3_column_count(stmt);
if (sizeof(wi_cols_map) / sizeof(wi_cols_map[0]) != ncols)
if (ncols < ARRAY_SIZE(wi_cols_map))
{
DPRINTF(E_LOG, L_DB, "BUG: wi column map out of sync with schema\n");
DPRINTF(E_LOG, L_DB, "BUG: database has fewer columns (%d) than wi column map (%lu)\n", ncols, ARRAY_SIZE(wi_cols_map));
sqlite3_finalize(stmt);
sqlite3_free(query);
return -1;
}
for (i = 0; i < ncols; i++)
for (i = 0; i < ARRAY_SIZE(wi_cols_map); i++)
{
switch (wi_cols_map[i].type)
{
@ -6801,6 +6797,10 @@ db_check_version(void)
vacuum = 1;
}
else if (db_ver_minor > SCHEMA_VERSION_MINOR)
{
DPRINTF(E_LOG, L_DB, "Future (but compatible) database version detected (v%d.%d)\n", db_ver_major, db_ver_minor);
}
if (vacuum)
{
@ -6828,8 +6828,22 @@ db_init(void)
int pls;
int ret;
if (ARRAY_SIZE(dbmfi_cols_map) != ARRAY_SIZE(mfi_cols_map))
{
DPRINTF(E_FATAL, L_DB, "BUG: mfi column maps are not in sync\n");
return -1;
}
if (ARRAY_SIZE(dbpli_cols_map) != ARRAY_SIZE(pli_cols_map))
{
DPRINTF(E_FATAL, L_DB, "BUG: pli column maps are not in sync\n");
return -1;
}
db_path = cfg_getstr(cfg_getsec(cfg, "general"), "db_path");
DPRINTF(E_LOG, L_DB, "Configured to use database file '%s'\n", db_path);
ret = sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
if (ret != SQLITE_OK)
{