content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to you under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.calcite.avatica.tck.tests;
  
  import org.junit.Assume;
  import org.junit.Test;
  
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLFeatureNotSupportedException;
  import java.sql.Statement;
  import java.util.Arrays;
  
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for <code>INSERT</code>.
   */
  public class InsertTest extends BaseTckTest {
  
    @Test public void simpleInsert() throws Exception {
      final String tableName = getTableName();
      try (Statement stmt = connection.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        String sql = "CREATE TABLE " + tableName
            + " (pk integer not null primary key, col1 varchar(10))";
        assertFalse(stmt.execute(sql));
  
        for (int i = 0; i < 10; i++) {
          sql = "INSERT INTO " + tableName + " values (" + i + ", '" + i + "')";
          assertEquals(1, stmt.executeUpdate(sql));
        }
  
        ResultSet results = stmt.executeQuery("SELECT * FROM " + tableName);
        assertNotNull(results);
        for (int i = 0; i < 10; i++) {
          assertTrue(results.next());
          assertEquals(i, results.getInt(1));
          assertEquals(Integer.toString(i), results.getString(1));
        }
        assertFalse(results.next());
        results.close();
      }
    }
  
    @Test public void preparedStatementInsert() throws Exception {
      final String tableName = getTableName();
      final String insertSql = "INSERT INTO " + tableName + " values(?, ?)";
      try (Statement stmt = connection.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        String sql = "CREATE TABLE " + tableName
            + " (pk integer not null primary key, col1 varchar(10))";
        assertFalse(stmt.execute(sql));
  
        try (PreparedStatement pstmt = connection.prepareStatement(insertSql)) {
          for (int i = 0; i < 10; i++) {
            pstmt.setInt(1, i);
            pstmt.setString(2, "a_" + Integer.toString(i));
            assertEquals(1, pstmt.executeUpdate());
          }
        }
  
        ResultSet results = stmt.executeQuery("SELECT COUNT(pk) from " + tableName);
        assertNotNull(results);
        assertTrue(results.next());
        assertEquals(10, results.getInt(1));
  
        results = stmt.executeQuery("SELECT * from " + tableName);
        assertNotNull(results);
        for (int i = 0; i < 10; i++) {
          assertTrue(results.next());
          assertEquals(i, results.getInt(1));
          assertEquals("a_" + i, results.getString(2));
        }
        assertFalse(results.next());
        results.close();
      }
    }
  
    @Test public void batchInsert() throws Exception {
      final String tableName = getTableName();
      try (Statement stmt = connection.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        String sql = "CREATE TABLE " + tableName
            + " (pk integer not null primary key, col1 varchar(10))";
        assertFalse(stmt.execute(sql));
  
        for (int i = 0; i < 10; i++) {
          sql = "INSERT INTO " + tableName + " values (" + i + ", '" + i + "')";
          try {
            stmt.addBatch(sql);
          } catch (SQLFeatureNotSupportedException e) {
            // batch isn't supported in this version, gracefully ignore,
            Assume.assumeTrue("Batch update is not support by the client", false);
          }
        }
  
        int[] updateCounts = stmt.executeBatch();
        int[] expectedUpdateCounts = new int[10];
        Arrays.fill(expectedUpdateCounts, 1);
        assertArrayEquals(expectedUpdateCounts, updateCounts);
  
        ResultSet results = stmt.executeQuery("SELECT * FROM " + tableName);
        assertNotNull(results);
        for (int i = 0; i < 10; i++) {
          assertTrue(results.next());
          assertEquals(i, results.getInt(1));
          assertEquals(Integer.toString(i), results.getString(1));
        }
        assertFalse(results.next());
        results.close();
      }
    }
  
    @Test public void preparedBatchInsert() throws Exception {
      final String tableName = getTableName();
      final String insertSql = "INSERT INTO " + tableName + " values(?, ?)";
      try (Statement stmt = connection.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        String sql = "CREATE TABLE " + tableName
            + " (pk integer not null primary key, col1 varchar(10))";
        assertFalse(stmt.execute(sql));
  
        try (PreparedStatement pstmt = connection.prepareStatement(insertSql)) {
          for (int i = 0; i < 10; i++) {
            pstmt.setInt(1, i);
            pstmt.setString(2, "a_" + Integer.toString(i));
            try {
              pstmt.addBatch();
            } catch (SQLFeatureNotSupportedException e) {
              // batch isn't supported in this version, gracefully ignore,
              Assume.assumeTrue("Batch update is not support by the client", false);
            }
          }
  
          int[] updateCounts = pstmt.executeBatch();
          int[] expectedUpdateCounts = new int[10];
          Arrays.fill(expectedUpdateCounts, 1);
          assertArrayEquals(expectedUpdateCounts, updateCounts);
        }
  
        ResultSet results = stmt.executeQuery("SELECT COUNT(pk) from " + tableName);
        assertNotNull(results);
        assertTrue(results.next());
        assertEquals(10, results.getInt(1));
  
        results = stmt.executeQuery("SELECT * from " + tableName);
        assertNotNull(results);
        for (int i = 0; i < 10; i++) {
          assertTrue(results.next());
          assertEquals(i, results.getInt(1));
          assertEquals("a_" + i, results.getString(2));
        }
        assertFalse(results.next());
        results.close();
      }
    }
  
    @Test public void commitAndRollback() throws Exception {
      final String tableName = getTableName();
  
      // Disable autoCommit
      connection.setAutoCommit(false);
      assertFalse(connection.getAutoCommit());
  
      try (Statement stmt = connection.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        String sql = "CREATE TABLE " + tableName
            + " (pk integer not null primary key, col1 varchar(10))";
        assertFalse(stmt.execute(sql));
  
        for (int i = 0; i < 10; i++) {
          sql = "INSERT INTO " + tableName + " values (" + i + ", '" + i + "')";
          assertEquals(1, stmt.executeUpdate(sql));
          if (i == 4) {
            // Rollback after the first 5 updates
            connection.rollback();
          }
        }
        connection.commit();
  
        ResultSet results = stmt.executeQuery("SELECT * FROM " + tableName);
        assertNotNull(results);
        for (int i = 5; i < 10; i++) {
          assertTrue(results.next());
          assertEquals(i, results.getInt(1));
          assertEquals(Integer.toString(i), results.getString(1));
        }
        assertFalse(results.next());
        results.close();
      }
    }
  }
  
  // End InsertTest.java
  