|
|
|
<?php
|
|
|
|
/**
|
|
|
|
* @link http://www.yiiframework.com/
|
|
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
|
|
* @license http://www.yiiframework.com/license/
|
|
|
|
*/
|
|
|
|
|
|
|
|
namespace yii\db\mssql;
|
|
|
|
|
|
|
|
use yii\base\InvalidParamException;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above).
|
|
|
|
*
|
|
|
|
* @author Timur Ruziev <resurtm@gmail.com>
|
|
|
|
* @since 2.0
|
|
|
|
*/
|
|
|
|
class QueryBuilder extends \yii\db\QueryBuilder
|
|
|
|
{
|
|
|
|
/**
|
|
|
|
* @var array mapping from abstract column types (keys) to physical column types (values).
|
|
|
|
*/
|
|
|
|
public $typeMap = [
|
|
|
|
Schema::TYPE_PK => 'int IDENTITY PRIMARY KEY',
|
|
|
|
Schema::TYPE_BIGPK => 'bigint IDENTITY PRIMARY KEY',
|
|
|
|
Schema::TYPE_STRING => 'varchar(255)',
|
|
|
|
Schema::TYPE_TEXT => 'text',
|
|
|
|
Schema::TYPE_SMALLINT => 'smallint',
|
|
|
|
Schema::TYPE_INTEGER => 'int',
|
|
|
|
Schema::TYPE_BIGINT => 'bigint',
|
|
|
|
Schema::TYPE_FLOAT => 'float',
|
|
|
|
Schema::TYPE_DECIMAL => 'decimal',
|
|
|
|
Schema::TYPE_DATETIME => 'datetime',
|
|
|
|
Schema::TYPE_TIMESTAMP => 'timestamp',
|
|
|
|
Schema::TYPE_TIME => 'time',
|
|
|
|
Schema::TYPE_DATE => 'date',
|
|
|
|
Schema::TYPE_BINARY => 'binary(1)',
|
|
|
|
Schema::TYPE_BOOLEAN => 'bit',
|
|
|
|
Schema::TYPE_MONEY => 'decimal(19,4)',
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
|
|
|
|
{
|
|
|
|
if (!$this->hasOffset($offset) && !$this->hasLimit($limit)) {
|
|
|
|
$orderBy = $this->buildOrderBy($orderBy);
|
|
|
|
return $orderBy === '' ? $sql : $sql . $this->separator . $orderBy;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ($this->isOldMssql()) {
|
|
|
|
return $this->oldbuildOrderByAndLimit($sql, $orderBy, $limit, $offset);
|
|
|
|
} else {
|
|
|
|
return $this->newBuildOrderByAndLimit($sql, $orderBy, $limit, $offset);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Builds the ORDER BY/LIMIT/OFFSET clauses for SQL SERVER 2012 or newer.
|
|
|
|
* @param string $sql the existing SQL (without ORDER BY/LIMIT/OFFSET)
|
|
|
|
* @param array $orderBy the order by columns. See [[Query::orderBy]] for more details on how to specify this parameter.
|
|
|
|
* @param integer $limit the limit number. See [[Query::limit]] for more details.
|
|
|
|
* @param integer $offset the offset number. See [[Query::offset]] for more details.
|
|
|
|
* @return string the SQL completed with ORDER BY/LIMIT/OFFSET (if any)
|
|
|
|
*/
|
|
|
|
protected function newBuildOrderByAndLimit($sql, $orderBy, $limit, $offset)
|
|
|
|
{
|
|
|
|
$orderBy = $this->buildOrderBy($orderBy);
|
|
|
|
if ($orderBy === '') {
|
|
|
|
// ORDER BY clause is required when FETCH and OFFSET are in the SQL
|
|
|
|
$orderBy = 'ORDER BY (SELECT NULL)';
|
|
|
|
}
|
|
|
|
$sql .= $this->separator . $orderBy;
|
|
|
|
|
|
|
|
// http://technet.microsoft.com/en-us/library/gg699618.aspx
|
|
|
|
$offset = $this->hasOffset($offset) ? $offset : '0';
|
|
|
|
$sql .= $this->separator . "OFFSET $offset ROWS";
|
|
|
|
if ($this->hasLimit($limit)) {
|
|
|
|
$sql .= $this->separator . "FETCH NEXT $limit ROWS ONLY";
|
|
|
|
}
|
|
|
|
|
|
|
|
return $sql;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Builds the ORDER BY/LIMIT/OFFSET clauses for SQL SERVER 2005 to 2008.
|
|
|
|
* @param string $sql the existing SQL (without ORDER BY/LIMIT/OFFSET)
|
|
|
|
* @param array $orderBy the order by columns. See [[Query::orderBy]] for more details on how to specify this parameter.
|
|
|
|
* @param integer $limit the limit number. See [[Query::limit]] for more details.
|
|
|
|
* @param integer $offset the offset number. See [[Query::offset]] for more details.
|
|
|
|
* @return string the SQL completed with ORDER BY/LIMIT/OFFSET (if any)
|
|
|
|
*/
|
|
|
|
protected function oldBuildOrderByAndLimit($sql, $orderBy, $limit, $offset)
|
|
|
|
{
|
|
|
|
$orderBy = $this->buildOrderBy($orderBy);
|
|
|
|
if ($orderBy === '') {
|
|
|
|
// ROW_NUMBER() requires an ORDER BY clause
|
|
|
|
$orderBy = 'ORDER BY (SELECT NULL)';
|
|
|
|
}
|
|
|
|
|
|
|
|
$sql = preg_replace('/^([\s(])*SELECT(\s+DISTINCT)?(?!\s*TOP\s*\()/i', "\\1SELECT\\2 rowNum = ROW_NUMBER() over ($orderBy),", $sql);
|
|
|
|
|
|
|
|
if ($this->hasLimit($limit)) {
|
|
|
|
$sql = "SELECT TOP $limit * FROM ($sql) sub";
|
|
|
|
} else {
|
|
|
|
$sql = "SELECT * FROM ($sql) sub";
|
|
|
|
}
|
|
|
|
if ($this->hasOffset($offset)) {
|
|
|
|
$sql .= $this->separator . "WHERE rowNum > $offset";
|
|
|
|
}
|
|
|
|
|
|
|
|
return $sql;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any)
|
|
|
|
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
|
|
|
|
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
|
|
|
|
* @return string the SQL statement for changing the definition of a column.
|
|
|
|
*/
|
|
|
|
public function alterColumn($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.
|
|
|
|
* @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 $table the table name. Defaults to empty string, meaning that no table will be changed.
|
|
|
|
* @return string the SQL statement for checking integrity
|
|
|
|
* @throws InvalidParamException if the table does not exist or there is no sequence associated with the table.
|
|
|
|
*/
|
|
|
|
public function checkIntegrity($check = true, $schema = '', $table = '')
|
|
|
|
{
|
|
|
|
if ($schema !== '') {
|
|
|
|
$table = "{$schema}.{$table}";
|
|
|
|
}
|
|
|
|
$table = $this->db->quoteTableName($table);
|
|
|
|
if ($this->db->getTableSchema($table) === null) {
|
|
|
|
throw new InvalidParamException("Table not found: $table");
|
|
|
|
}
|
|
|
|
$enable = $check ? 'CHECK' : 'NOCHECK';
|
|
|
|
|
|
|
|
return "ALTER TABLE {$table} {$enable} CONSTRAINT ALL";
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns an array of column names given model name
|
|
|
|
*
|
|
|
|
* @param string $modelClass name of the model class
|
|
|
|
* @return array|null array of column names
|
|
|
|
*/
|
|
|
|
protected function getAllColumnNames($modelClass = null)
|
|
|
|
{
|
|
|
|
if (!$modelClass) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
/* @var $model \yii\db\ActiveRecord */
|
|
|
|
$model = new $modelClass;
|
|
|
|
$schema = $model->getTableSchema();
|
|
|
|
$columns = array_keys($schema->columns);
|
|
|
|
return $columns;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @var boolean whether MSSQL used is old.
|
|
|
|
*/
|
|
|
|
private $_oldMssql;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return boolean whether the version of the MSSQL being used is older than 2012.
|
|
|
|
* @throws \yii\base\InvalidConfigException
|
|
|
|
* @throws \yii\db\Exception
|
|
|
|
*/
|
|
|
|
protected function isOldMssql()
|
|
|
|
{
|
|
|
|
if ($this->_oldMssql === null) {
|
|
|
|
$pdo = $this->db->getSlavePdo();
|
|
|
|
$version = preg_split("/\./", $pdo->getAttribute(\PDO::ATTR_SERVER_VERSION));
|
|
|
|
$this->_oldMssql = $version[0] < 11;
|
|
|
|
}
|
|
|
|
return $this->_oldMssql;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Builds SQL for IN condition
|
|
|
|
*
|
|
|
|
* @param string $operator
|
|
|
|
* @param array $columns
|
|
|
|
* @param array $values
|
|
|
|
* @param array $params
|
|
|
|
* @return string SQL
|
|
|
|
*/
|
|
|
|
protected function buildSubqueryInCondition($operator, $columns, $values, &$params)
|
|
|
|
{
|
|
|
|
if (is_array($columns)) {
|
|
|
|
throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.');
|
|
|
|
}
|
|
|
|
return parent::buildSubqueryInCondition($operator, $columns, $values, $params);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Builds SQL for IN condition
|
|
|
|
*
|
|
|
|
* @param string $operator
|
|
|
|
* @param array $columns
|
|
|
|
* @param array $values
|
|
|
|
* @param array $params
|
|
|
|
* @return string SQL
|
|
|
|
*/
|
|
|
|
protected function buildCompositeInCondition($operator, $columns, $values, &$params)
|
|
|
|
{
|
|
|
|
$quotedColumns = [];
|
|
|
|
foreach ($columns as $i => $column) {
|
|
|
|
$quotedColumns[$i] = strpos($column, '(') === false ? $this->db->quoteColumnName($column) : $column;
|
|
|
|
}
|
|
|
|
$vss = [];
|
|
|
|
foreach ($values as $value) {
|
|
|
|
$vs = [];
|
|
|
|
foreach ($columns as $i => $column) {
|
|
|
|
if (isset($value[$column])) {
|
|
|
|
$phName = self::PARAM_PREFIX . count($params);
|
|
|
|
$params[$phName] = $value[$column];
|
|
|
|
$vs[] = $quotedColumns[$i] . ($operator === 'IN' ? ' = ' : ' != ') . $phName;
|
|
|
|
} else {
|
|
|
|
$vs[] = $quotedColumns[$i] . ($operator === 'IN' ? ' IS' : ' IS NOT') . ' NULL';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
$vss[] = '(' . implode($operator === 'IN' ? ' AND ' : ' OR ', $vs) . ')';
|
|
|
|
}
|
|
|
|
|
|
|
|
return '(' . implode($operator === 'IN' ? ' OR ' : ' AND ', $vss) . ')';
|
|
|
|
}
|
|
|
|
}
|