diff --git a/extensions/sphinx/Command.php b/extensions/sphinx/Command.php
index cab9487..2341d98 100644
--- a/extensions/sphinx/Command.php
+++ b/extensions/sphinx/Command.php
@@ -437,6 +437,58 @@ class Command extends Component
 	}
 
 	/**
+	 * Creates an REPLACE command.
+	 * For example,
+	 *
+	 * ~~~
+	 * $connection->createCommand()->insert('idx_user', [
+	 *     'name' => 'Sam',
+	 *     'age' => 30,
+	 * ])->execute();
+	 * ~~~
+	 *
+	 * The method will properly escape the column names, and bind the values to be replaced.
+	 *
+	 * Note that the created command is not executed until [[execute()]] is called.
+	 *
+	 * @param string $index the index that new rows will be replaced into.
+	 * @param array $columns the column data (name => value) to be replaced into the index.
+	 * @return static the command object itself
+	 */
+	public function replace($index, $columns)
+	{
+		$params = [];
+		$sql = $this->db->getQueryBuilder()->replace($index, $columns, $params);
+		return $this->setSql($sql)->bindValues($params);
+	}
+
+	/**
+	 * Creates a batch REPLACE command.
+	 * For example,
+	 *
+	 * ~~~
+	 * $connection->createCommand()->batchInsert('idx_user', ['name', 'age'], [
+	 *     ['Tom', 30],
+	 *     ['Jane', 20],
+	 *     ['Linda', 25],
+	 * ])->execute();
+	 * ~~~
+	 *
+	 * Note that the values in each row must match the corresponding column names.
+	 *
+	 * @param string $index the index that new rows will be replaced.
+	 * @param array $columns the column names
+	 * @param array $rows the rows to be batch replaced in the index
+	 * @return static the command object itself
+	 */
+	public function batchReplace($index, $columns, $rows)
+	{
+		$params = [];
+		$sql = $this->db->getQueryBuilder()->batchReplace($index, $columns, $rows, $params);
+		return $this->setSql($sql)->bindValues($params);
+	}
+
+	/**
 	 * Creates an UPDATE command.
 	 * For example,
 	 *
diff --git a/extensions/sphinx/QueryBuilder.php b/extensions/sphinx/QueryBuilder.php
index 997e997..860e629 100644
--- a/extensions/sphinx/QueryBuilder.php
+++ b/extensions/sphinx/QueryBuilder.php
@@ -83,11 +83,48 @@ class QueryBuilder extends Object
 	 * @param string $index the index that new rows will be inserted into.
 	 * @param array $columns the column data (name => value) to be inserted into the index.
 	 * @param array $params the binding parameters that will be generated by this method.
-	 * They should be bound to the DB command later.
+	 * They should be bound to the Sphinx command later.
 	 * @return string the INSERT SQL
 	 */
 	public function insert($index, $columns, &$params)
 	{
+		return $this->generateInsertReplace('INSERT', $index, $columns, $params);
+	}
+
+	/**
+	 * Creates an REPLACE SQL statement.
+	 * For example,
+	 *
+	 * ~~~
+	 * $sql = $queryBuilder->replace('idx_user', [
+	 *	 'name' => 'Sam',
+	 *	 'age' => 30,
+	 * ], $params);
+	 * ~~~
+	 *
+	 * The method will properly escape the index and column names.
+	 *
+	 * @param string $index the index that new rows will be replaced.
+	 * @param array $columns the column data (name => value) to be replaced in the index.
+	 * @param array $params the binding parameters that will be generated by this method.
+	 * They should be bound to the Sphinx command later.
+	 * @return string the INSERT SQL
+	 */
+	public function replace($index, $columns, &$params)
+	{
+		return $this->generateInsertReplace('REPLACE', $index, $columns, $params);
+	}
+
+	/**
+	 * Generates INSERT/REPLACE SQL statement.
+	 * @param string $statement statement ot be generated.
+	 * @param string $index the affected index name.
+	 * @param array $columns the column data (name => value).
+	 * @param array $params the binding parameters that will be generated by this method.
+	 * @return string generated SQL
+	 */
+	protected function generateInsertReplace($statement, $index, $columns, &$params)
+	{
 		if (($indexSchema = $this->db->getIndexSchema($index)) !== null) {
 			$columnSchemas = $indexSchema->columns;
 		} else {
@@ -120,7 +157,7 @@ class QueryBuilder extends Object
 			}
 		}
 
-		return 'INSERT INTO ' . $this->db->quoteIndexName($index)
+		return $statement . ' INTO ' . $this->db->quoteIndexName($index)
 			. ' (' . implode(', ', $names) . ') VALUES ('
 			. implode(', ', $placeholders) . ')';
 	}
@@ -148,6 +185,46 @@ class QueryBuilder extends Object
 	 */
 	public function batchInsert($index, $columns, $rows, &$params)
 	{
+		return $this->generateBatchInsertReplace('INSERT', $index, $columns, $rows, $params);
+	}
+
+	/**
+	 * Generates a batch REPLACE SQL statement.
+	 * For example,
+	 *
+	 * ~~~
+	 * $connection->createCommand()->batchReplace('idx_user', ['name', 'age'], [
+	 *     ['Tom', 30],
+	 *     ['Jane', 20],
+	 *     ['Linda', 25],
+	 * ])->execute();
+	 * ~~~
+	 *
+	 * Note that the values in each row must match the corresponding column names.
+	 *
+	 * @param string $index the index that new rows will be replaced.
+	 * @param array $columns the column names
+	 * @param array $rows the rows to be batch replaced in the index
+	 * @param array $params the binding parameters that will be generated by this method.
+	 * They should be bound to the DB command later.
+	 * @return string the batch INSERT SQL statement
+	 */
+	public function batchReplace($index, $columns, $rows, &$params)
+	{
+		return $this->generateBatchInsertReplace('REPLACE', $index, $columns, $rows, $params);
+	}
+
+	/**
+	 * Generates a batch INSERT/REPLACE SQL statement.
+	 * @param string $statement statement ot be generated.
+	 * @param string $index the affected index name.
+	 * @param array $columns the column data (name => value).
+	 * @param array $rows the rows to be batch inserted into the index
+	 * @param array $params the binding parameters that will be generated by this method.
+	 * @return string generated SQL
+	 */
+	protected function generateBatchInsertReplace($statement, $index, $columns, $rows, &$params)
+	{
 		if (($indexSchema = $this->db->getIndexSchema($index)) !== null) {
 			$columnSchemas = $indexSchema->columns;
 		} else {
@@ -183,7 +260,7 @@ class QueryBuilder extends Object
 			$values[] = '(' . implode(', ', $vs) . ')';
 		}
 
-		return 'INSERT INTO ' . $this->db->quoteIndexName($index)
+		return $statement . ' INTO ' . $this->db->quoteIndexName($index)
 			. ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values);
 	}
 
diff --git a/tests/unit/extensions/sphinx/CommandTest.php b/tests/unit/extensions/sphinx/CommandTest.php
index 5986182..e83fad2 100644
--- a/tests/unit/extensions/sphinx/CommandTest.php
+++ b/tests/unit/extensions/sphinx/CommandTest.php
@@ -206,6 +206,85 @@ class CommandTest extends SphinxTestCase
 	/**
 	 * @depends testInsert
 	 */
+	public function testReplace()
+	{
+		$db = $this->getConnection();
+
+		$command = $db->createCommand()->replace('yii2_test_rt_index', [
+			'title' => 'Test title',
+			'content' => 'Test content',
+			'type_id' => 2,
+			'category' => [1, 2],
+			'id' => 1,
+		]);
+		$this->assertEquals(1, $command->execute(), 'Unable to execute replace!');
+
+		$rows = $db->createCommand('SELECT * FROM yii2_test_rt_index')->queryAll();
+		$this->assertEquals(1, count($rows), 'No row inserted!');
+
+		$newTypeId = 5;
+		$command = $db->createCommand()->replace('yii2_test_rt_index',[
+			'type_id' => $newTypeId,
+			'category' => [3, 4],
+			'id' => 1,
+		]);
+		$this->assertEquals(1, $command->execute(), 'Unable to update via replace!');
+
+		list($row) = $db->createCommand('SELECT * FROM yii2_test_rt_index')->queryAll();
+		$this->assertEquals($newTypeId, $row['type_id'], 'Unable to update attribute value!');
+	}
+
+	/**
+	 * @depends testReplace
+	 */
+	public function testBatchReplace()
+	{
+		$db = $this->getConnection();
+
+		$command = $db->createCommand()->batchReplace(
+			'yii2_test_rt_index',
+			[
+				'title',
+				'content',
+				'type_id',
+				'category',
+				'id',
+			],
+			[
+				[
+					'Test title 1',
+					'Test content 1',
+					1,
+					[1, 2],
+					1,
+				],
+				[
+					'Test title 2',
+					'Test content 2',
+					2,
+					[3, 4],
+					2,
+				],
+			]
+		);
+		$this->assertEquals(2, $command->execute(), 'Unable to execute batch replace!');
+
+		$rows = $db->createCommand('SELECT * FROM yii2_test_rt_index')->queryAll();
+		$this->assertEquals(2, count($rows), 'No rows inserted!');
+
+		$newTypeId = 5;
+		$command = $db->createCommand()->replace('yii2_test_rt_index',[
+			'type_id' => $newTypeId,
+			'id' => 1,
+		]);
+		$this->assertEquals(1, $command->execute(), 'Unable to update via replace!');
+		list($row) = $db->createCommand('SELECT * FROM yii2_test_rt_index')->queryAll();
+		$this->assertEquals($newTypeId, $row['type_id'], 'Unable to update attribute value!');
+	}
+
+	/**
+	 * @depends testInsert
+	 */
 	public function testUpdate()
 	{
 		$db = $this->getConnection();