Fix for CONC-196: merged manually from connector_c_2.3 branch

unittest/libmariadb/performance.c

@@ -0,0 +1,94 @@
+/*
+Copyright (c) 2016 MariaDB Corporation AB
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published
+by the Free Software Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
+*/
+
+
+/**
+  Some basic tests of the client API.
+*/
+
+#include "my_test.h"
+#include "ma_common.h"
+
+void show_time(struct timeval t1)
+{
+  struct timeval t2;
+  double elapsed;
+  gettimeofday(&t2, NULL);
+  elapsed = ((t2.tv_sec - t1.tv_sec)* 1000.0 + (t2.tv_usec - t1.tv_usec) / 1000.0) / 1000;
+  diag("elapsed: %5.2f", elapsed);
+}
+
+static int perf1(MYSQL *mysql)
+{
+  int rc;
+  MYSQL_STMT *stmt;
+  struct timeval t1;
+  char *stmtstr= "SELECT s.emp_no, s.salary, e.emp_no, e.first_name, e.last_name, e.gender FROM salaries s, employees e WHERE s.emp_no = e.emp_no";
+
+  rc= mysql_select_db(mysql, "employees");
+  if (rc)
+  {
+    diag("Employees database not installed");
+    return SKIP;
+  }
+
+  stmt= mysql_stmt_init(mysql);
+
+  diag("prepare");
+  gettimeofday(&t1, NULL);
+  rc= mysql_stmt_prepare(stmt, stmtstr, strlen(stmtstr));
+  check_stmt_rc(rc, stmt);
+  show_time(t1);
+
+  diag("execute");
+  gettimeofday(&t1, NULL);
+  rc= mysql_stmt_execute(stmt);
+  check_stmt_rc(rc, stmt);
+  show_time(t1);
+
+  diag("store");
+  gettimeofday(&t1, NULL);
+  rc= mysql_stmt_store_result(stmt);
+  check_stmt_rc(rc, stmt);
+  show_time(t1);
+
+  diag("fetch");
+  gettimeofday(&t1, NULL);
+  while (!mysql_stmt_fetch(stmt));
+  show_time(t1);
+
+  mysql_stmt_close(stmt);
+  return OK;
+}
+
+struct my_tests_st my_tests[] = {
+  {"perf1", perf1, TEST_CONNECTION_NEW, 0,  NULL,  NULL},
+  {NULL, NULL, 0, 0, NULL, NULL}
+};
+
+
+int main(int argc, char **argv)
+{
+  if (argc > 1)
+    get_options(argc, argv);
+
+  get_envvars();
+
+  run_tests(my_tests);
+
+  return(exit_status());
+}