/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "planTestUtil.h"
#include "planner.h"

using namespace std;

class PlanStateTest : public PlannerTestBase {};

TEST_F(PlanStateTest, basic) {
  useDb("root", "test");

  run("SELECT COUNT(*) FROM t1 STATE_WINDOW(c1)");
}

TEST_F(PlanStateTest, stateExpr) {
  useDb("root", "test");

  run("SELECT COUNT(*) FROM t1 STATE_WINDOW(CASE WHEN c1 > 10 THEN 1 ELSE 0 END)");
}

TEST_F(PlanStateTest, selectFunc) {
  useDb("root", "test");

  // select function for STATE_WINDOW clause
  run("SELECT MAX(c1), MIN(c1) FROM t1 STATE_WINDOW(c3)");
  // select function along with the columns of select row, and with STATE_WINDOW clause
  run("SELECT MAX(c1), c2 FROM t1 STATE_WINDOW(c3)");
}

TEST_F(PlanStateTest, stable) {
  useDb("root", "test");

  // select function for STATE_WINDOW clause
  run("SELECT MAX(c1), MIN(c1) FROM st1 STATE_WINDOW(c2)");
  // select function along with the columns of select row, and with STATE_WINDOW clause
  run("SELECT MAX(c1), c2 FROM st1 STATE_WINDOW(c2)");
}