Re-added dbutils_select used in unit test and fixed unit.c

Author: marcobambini

src/dbutils.c

@@ -198,6 +198,14 @@ int dbutils_blob_int_int_select (sqlite3 *db, const char *sql, char **blob, int
     return results[0].rc;
 }
 
+sqlite3_int64 dbutils_select (sqlite3 *db, const char *sql, const char **values, int types[], int lens[], int count, int expected_type) {
+    // used only in unit-test
+    DATABASE_RESULT results[1] = {0};
+    int expected_types[1] = {expected_type};
+    dbutils_exec(NULL, db, sql, values, types, lens, count, results, expected_types, 1);
+    return results[0].value.intValue;
+}
+
 // MARK: -
 
 // compares two SQLite values and returns an integer indicating the comparison result

test/unit.c

@@ -921,8 +921,8 @@ bool do_test_vtab(sqlite3 *db) {
 }
 
 bool do_test_functions (sqlite3 *db, bool print_results) {
-    int size = 0;
-    char *site_id = dbutils_blob_select(db, "SELECT cloudsync_siteid();", &size);
+    int size = 0, rc2;
+    char *site_id = dbutils_blob_select(db, "SELECT cloudsync_siteid();", &size, NULL, &rc2);
     if (site_id == NULL || size != 16) goto abort_test_functions;
     cloudsync_memory_free(site_id);
 
@@ -3042,8 +3042,8 @@ bool do_test_network_encode_decode (int nclients, bool print_result, bool cleanu
         for (int j=0; j<nclients; ++j) {
             if (target == j) continue;
 
-            int blob_size = 0;
-            char *blob = dbutils_blob_select (db[target], src_sql, &blob_size);
+            int blob_size = 0, rc;
+            char *blob = dbutils_blob_select (db[target], src_sql, &blob_size, NULL, &rc);
             if (!blob) goto finalize;
 
             const char *values[] = {blob};