Commit 55deceb0 by Qiang Xue

Fixes #1076

parent 43ec7468
...@@ -60,6 +60,47 @@ class QueryBuilder extends \yii\db\QueryBuilder ...@@ -60,6 +60,47 @@ class QueryBuilder extends \yii\db\QueryBuilder
// } // }
/** /**
* Builds a SQL statement for renaming a DB table.
* @param string $table the table to be renamed. The name will be properly quoted by the method.
* @param string $newName the new table name. The name will be properly quoted by the method.
* @return string the SQL statement for renaming a DB table.
*/
public function renameTable($table, $newName)
{
return "sp_rename '$table', '$newName'";
}
/**
* Builds a SQL statement for renaming a column.
* @param string $table the table whose column is to be renamed. The name will be properly quoted by the method.
* @param string $name the old name of the column. The name will be properly quoted by the method.
* @param string $newName the new name of the column. The name will be properly quoted by the method.
* @return string the SQL statement for renaming a DB column.
*/
public function renameColumn($table, $name, $newName)
{
return "sp_rename '$table.$name', '$newName', 'COLUMN'";
}
/**
* Builds a SQL statement for changing the definition of a column.
* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
* @param string $column the name of the column to be changed. The name will be properly quoted by the method.
* @param string $type the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
* @return string the SQL statement for changing the definition of a column.
*/
public function alterColumn($table, $column, $type)
{
$type=$this->getColumnType($type);
$sql='ALTER TABLE ' . $this->db->quoteTableName($table) . ' ALTER COLUMN '
. $this->db->quoteColumnName($column) . ' '
. $this->getColumnType($type);
return $sql;
}
/**
* Builds a SQL statement for enabling or disabling integrity check. * Builds a SQL statement for enabling or disabling integrity check.
* @param boolean $check whether to turn on or off the integrity check. * @param boolean $check whether to turn on or off the integrity check.
* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
......
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