Use backquotes to quote column and table names for sqlite (related with #1318)

framework/yii/db/sqlite/Schema.php

@@ -50,6 +50,28 @@ class Schema extends \yii\db\Schema
 	];
 
 	/**
+	 * Quotes a table name for use in a query.
+	 * A simple table name has no schema prefix.
+	 * @param string $name table name
+	 * @return string the properly quoted table name
+	 */
+	public function quoteSimpleTableName($name)
+	{
+		return strpos($name, "`") !== false ? $name : "`" . $name . "`";
+	}
+
+	/**
+	 * Quotes a column name for use in a query.
+	 * A simple column name has no prefix.
+	 * @param string $name column name
+	 * @return string the properly quoted column name
+	 */
+	public function quoteSimpleColumnName($name)
+	{
+		return strpos($name, '`') !== false || $name === '*' ? $name : '`' . $name . '`';
+	}
+
+	/**
 	 * Creates a query builder for the MySQL database.
 	 * This method may be overridden by child classes to create a DBMS-specific query builder.
 	 * @return QueryBuilder query builder instance

tests/unit/framework/db/sqlite/SqliteCommandTest.php

@@ -17,6 +17,6 @@ class SqliteCommandTest extends CommandTest
 
 		$sql = 'SELECT [[id]], [[t.name]] FROM {{tbl_customer}} t';
 		$command = $db->createCommand($sql);
-		$this->assertEquals("SELECT \"id\", 't'.\"name\" FROM 'tbl_customer' t", $command->sql);
+		$this->assertEquals("SELECT `id`, `t`.`name` FROM `tbl_customer` t", $command->sql);
 	}
 }

tests/unit/framework/db/sqlite/SqliteConnectionTest.php

@@ -30,8 +30,8 @@ class SqliteConnectionTest extends ConnectionTest
 	public function testQuoteTableName()
 	{
 		$connection = $this->getConnection(false);
-		$this->assertEquals("'table'", $connection->quoteTableName('table'));
-		$this->assertEquals("'schema'.'table'", $connection->quoteTableName('schema.table'));
+		$this->assertEquals("`table`", $connection->quoteTableName('table'));
+		$this->assertEquals("`schema`.`table`", $connection->quoteTableName('schema.table'));
 		$this->assertEquals('{{table}}', $connection->quoteTableName('{{table}}'));
 		$this->assertEquals('(table)', $connection->quoteTableName('(table)'));
 	}
@@ -39,8 +39,8 @@ class SqliteConnectionTest extends ConnectionTest
 	public function testQuoteColumnName()
 	{
 		$connection = $this->getConnection(false);
-		$this->assertEquals('"column"', $connection->quoteColumnName('column'));
-		$this->assertEquals("'table'.\"column\"", $connection->quoteColumnName('table.column'));
+		$this->assertEquals('`column`', $connection->quoteColumnName('column'));
+		$this->assertEquals("`table`.`column`", $connection->quoteColumnName('table.column'));
 		$this->assertEquals('[[column]]', $connection->quoteColumnName('[[column]]'));
 		$this->assertEquals('{{column}}', $connection->quoteColumnName('{{column}}'));
 		$this->assertEquals('(column)', $connection->quoteColumnName('(column)'));

tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php

@@ -85,6 +85,6 @@ class SqliteQueryBuilderTest extends QueryBuilderTest
 	public function testBatchInsert()
 	{
 		$sql = $this->getQueryBuilder()->batchInsert('{{tbl_customer}} t', ['t.id','t.name'], array(array(1,'a'), array(2,'b')));
-		$this->assertEquals("INSERT INTO {{tbl_customer}} t ('t'.\"id\", 't'.\"name\") SELECT 1, 'a' UNION ALL 2, 'b'", $sql);
+		$this->assertEquals("INSERT INTO {{tbl_customer}} t (`t`.`id`, `t`.`name`) SELECT 1, 'a' UNION ALL 2, 'b'", $sql);
 	}
 }