fix: update schema hash on extension version change

When upgrading from an older version, the schema hash algorithm may
differ. Call cloudsync_update_schema_hash before updating the stored
version to ensure hash compatibility across synced devices.

Author: andinux

src/cloudsync.h

@@ -18,7 +18,7 @@
 extern "C" {
 #endif
 
-#define CLOUDSYNC_VERSION                       "0.9.201"
+#define CLOUDSYNC_VERSION                       "0.9.202"
 #define CLOUDSYNC_MAX_TABLENAME_LEN             512
 
 #define CLOUDSYNC_VALUE_NOTSET                  -1

src/postgresql/cloudsync_postgresql.c

@@ -73,6 +73,11 @@ static void cloudsync_pg_context_init (cloudsync_context *data) {
                 ereport(ERROR, (errcode(ERRCODE_INTERNAL_ERROR), errmsg("An error occurred while trying to initialize context")));
             }
 
+            // update schema hash if upgrading from an older version
+            if (dbutils_settings_check_version(data, NULL) != 0) {
+                cloudsync_update_schema_hash(data);
+            }
+
             // make sure to update internal version to current version
             dbutils_settings_set_key_value(data, CLOUDSYNC_KEY_LIBVERSION, CLOUDSYNC_VERSION);
         }

src/sqlite/cloudsync_sqlite.c

@@ -1459,6 +1459,11 @@ int dbsync_register_functions (sqlite3 *db, char **pzErrMsg) {
             return SQLITE_ERROR;
         }
 
+        // update schema hash if upgrading from an older version
+        if (dbutils_settings_check_version(data, NULL) != 0) {
+            cloudsync_update_schema_hash(data);
+        }
+
         // make sure to update internal version to current version
         dbutils_settings_set_key_value(data, CLOUDSYNC_KEY_LIBVERSION, CLOUDSYNC_VERSION);
     }