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implemented auto-quoting for DB commands.

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This commit is contained in:
Qiang Xue
2013-01-06 22:41:20 -05:00
parent d15378ef43
commit fe90d4dda0
7 changed files with 265 additions and 284 deletions
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43
framework/db/Command.php
View File

@ -61,21 +61,6 @@ class Command extends \yii\base\Component
*/
private $_params = array();
/**
* Constructor.
* @param Connection $connection the database connection
* @param string $sql the SQL statement to be executed
* @param array $params the parameters to be bound to the SQL statement
* @param array $config name-value pairs that will be used to initialize the object properties
*/
public function __construct($connection, $sql = null, $params = array(), $config = array())
{
$this->connection = $connection;
$this->_sql = $sql;
$this->bindValues($params);
parent::__construct($config);
}
/**
* Returns the SQL statement for this command.
* @return string the SQL statement to be executed
@ -88,14 +73,26 @@ class Command extends \yii\base\Component
/**
* Specifies the SQL statement to be executed.
* Any previous execution will be terminated or cancelled.
* @param string $value the SQL statement to be set.
* @param string $sql the SQL statement to be set.
* @return Command this command instance
*/
public function setSql($value)
public function setSql($sql)
{
$this->_sql = $value;
$this->_params = array();
$this->cancel();
if ($sql !== $this->_sql) {
if ($this->connection->enableAutoQuoting && $sql != '') {
$sql = preg_replace_callback('/(\\{\\{(.*?)\\}\\}|\\[\\[(.*?)\\]\\])/', function($matches) {
if (isset($matches[3])) {
return $this->connection->quoteColumnName($matches[3]);
} else {
$name = str_replace('%', $this->connection->tablePrefix, $matches[2]);
return $this->connection->quoteTableName($name);
}
}, $sql);
}
$this->_sql = $sql;
$this->_params = array();
$this->cancel();
}
return $this;
}
@ -110,7 +107,7 @@ class Command extends \yii\base\Component
public function prepare()
{
if ($this->pdoStatement == null) {
$sql = $this->connection->expandTablePrefix($this->getSql());
$sql = $this->getSql();
try {
$this->pdoStatement = $this->connection->pdo->prepare($sql);
} catch (\Exception $e) {
@ -223,7 +220,7 @@ class Command extends \yii\base\Component
*/
public function execute($params = array())
{
$sql = $this->connection->expandTablePrefix($this->getSql());
$sql = $this->getSql();
$this->_params = array_merge($this->_params, $params);
if ($this->_params === array()) {
$paramLog = '';
@ -356,7 +353,7 @@ class Command extends \yii\base\Component
private function queryInternal($method, $params, $fetchMode = null)
{
$db = $this->connection;
$sql = $db->expandTablePrefix($this->getSql());
$sql = $this->getSql();
$this->_params = array_merge($this->_params, $params);
if ($this->_params === array()) {
$paramLog = '';

69
framework/db/Connection.php
View File

@ -124,7 +124,7 @@ class Connection extends \yii\base\ApplicationComponent
public $attributes;
/**
* @var \PDO the PHP PDO instance associated with this DB connection.
* This property is mainly managed by [[open]] and [[close]] methods.
* This property is mainly managed by [[open()]] and [[close()]] methods.
* When a DB connection is active, this property will represent a PDO instance;
* otherwise, it will be null.
*/
@ -132,7 +132,7 @@ class Connection extends \yii\base\ApplicationComponent
/**
* @var boolean whether to enable schema caching.
* Note that in order to enable truly schema caching, a valid cache component as specified
* by [[schemaCacheID]] must be enabled and [[schemaCacheEnabled]] must be set true.
* by [[schemaCacheID]] must be enabled and [[enableSchemaCache]] must be set true.
* @see schemaCacheDuration
* @see schemaCacheExclude
* @see schemaCacheID
@ -159,7 +159,7 @@ class Connection extends \yii\base\ApplicationComponent
/**
* @var boolean whether to enable query caching.
* Note that in order to enable query caching, a valid cache component as specified
* by [[queryCacheID]] must be enabled and [[queryCacheEnabled]] must be set true.
* by [[queryCacheID]] must be enabled and [[enableQueryCache]] must be set true.
*
* Methods [[beginCache()]] and [[endCache()]] can be used as shortcuts to turn on
* and off query caching on the fly.
@ -215,15 +215,23 @@ class Connection extends \yii\base\ApplicationComponent
*/
public $enableProfiling = false;
/**
* @var string the default prefix for table names. Defaults to null, meaning not using table prefix.
* By setting this property, any token like '{{TableName}}' in [[Command::sql]] will
* be replaced with 'prefixTableName', where 'prefix' refers to this property value.
* For example, '{{post}}' becomes 'tbl_post', if 'tbl_' is set as the table prefix.
*
* Note that if you set this property to be an empty string, then '{{post}}' will be replaced
* with 'post'.
* @var string the common prefix or suffix for table names. If a table name is given
* as `{{%TableName}}`, then the percentage character `%` will be replaced with this
* property value. For example, `{{%post}}` becomes `{{tbl_post}}` if this property is
* set as `"tbl_"`. Note that this property is only effective when [[enableAutoQuoting]]
* is true.
* @see enableAutoQuoting
*/
public $tablePrefix;
/**
* @var boolean whether to enable automatic quoting of table names and column names.
* Defaults to true. When this property is true, any token enclosed within double curly brackets
* (e.g. `{{post}}`) in a SQL statement will be treated as a table name and will be quoted
* accordingly when the SQL statement is executed; and any token enclosed within double square
* brackets (e.g. `[[name]]`) will be treated as a column name and quoted accordingly.
* @see tablePrefix
*/
public $enableAutoQuoting = true;
/**
* @var array a list of SQL statements that should be executed right after the DB connection is established.
*/
@ -411,7 +419,12 @@ class Connection extends \yii\base\ApplicationComponent
public function createCommand($sql = null, $params = array())
{
$this->open();
return new Command($this, $sql, $params);
$command = new Command(array(
'connection' => $this,
'sql' => $sql,
));
$command->bindValues($params);
return $command;
}
/**
@ -513,43 +526,27 @@ class Connection extends \yii\base\ApplicationComponent
/**
* Quotes a table name for use in a query.
* If the table name contains schema prefix, the prefix will also be properly quoted.
* If the table name is already quoted or contains special characters including '(', '[[' and '{{',
* then this method will do nothing.
* @param string $name table name
* @param boolean $simple if this is true, then the method will assume $name is a table name without schema prefix.
* @return string the properly quoted table name
*/
public function quoteTableName($name, $simple = false)
public function quoteTableName($name)
{
return $simple ? $this->getDriver()->quoteSimpleTableName($name) : $this->getDriver()->quoteTableName($name);
return $this->getDriver()->quoteTableName($name);
}
/**
* Quotes a column name for use in a query.
* If the column name contains table prefix, the prefix will also be properly quoted.
* If the column name contains prefix, the prefix will also be properly quoted.
* If the column name is already quoted or contains special characters including '(', '[[' and '{{',
* then this method will do nothing.
* @param string $name column name
* @param boolean $simple if this is true, then the method will assume $name is a column name without table prefix.
* @return string the properly quoted column name
*/
public function quoteColumnName($name, $simple = false)
public function quoteColumnName($name)
{
return $simple ? $this->getDriver()->quoteSimpleColumnName($name) : $this->getDriver()->quoteColumnName($name);
}
/**
* Prefixes table names in a SQL statement with [[tablePrefix]].
* By calling this method, tokens like '{{TableName}}' in the given SQL statement will
* be replaced with 'prefixTableName', where 'prefix' refers to [[tablePrefix]].
* Note that if [[tablePrefix]] is null, this method will do nothing.
* @param string $sql the SQL statement whose table names need to be prefixed with [[tablePrefix]].
* @return string the expanded SQL statement
* @see tablePrefix
*/
public function expandTablePrefix($sql)
{
if ($this->tablePrefix !== null && strpos($sql, '{{') !== false) {
return preg_replace('/{{(.*?)}}/', $this->tablePrefix . '\1', $sql);
} else {
return $sql;
}
return $this->getDriver()->quoteColumnName($name);
}
/**

176
framework/db/Driver.php
View File

@ -92,8 +92,7 @@ abstract class Driver extends \yii\base\Object
}
$db = $this->connection;
$realName = $db->expandTablePrefix($name);
$realName = $this->getRealTableName($name);
/** @var $cache \yii\caching\Cache */
if ($db->enableSchemaCache && ($cache = \Yii::$application->getComponent($db->schemaCacheID)) !== null && !in_array($name, $db->schemaCacheExclude, true)) {
@ -168,86 +167,18 @@ abstract class Driver extends \yii\base\Object
/**
* Refreshes the schema.
* This method cleans up the cached table schema and names
* so that they can be recreated to reflect the database schema change.
* @param string $tableName the name of the table that needs to be refreshed.
* If null, all currently loaded tables will be refreshed.
* This method cleans up all cached table schemas so that they can be re-created later
* to reflect the database schema change.
*/
public function refresh($tableName = null)
public function refresh()
{
$db = $this->connection;
/** @var $cache \yii\caching\Cache */
if ($db->enableSchemaCache && ($cache = \Yii::$application->getComponent($db->schemaCacheID)) !== null) {
if ($tableName === null) {
foreach ($this->_tables as $name => $table) {
$cache->delete($this->getCacheKey($name));
}
$this->_tables = array();
} else {
$cache->delete($this->getCacheKey($tableName));
unset($this->_tables[$tableName]);
if ($this->connection->enableSchemaCache && ($cache = \Yii::$application->getComponent($this->connection->schemaCacheID)) !== null) {
foreach ($this->_tables as $name => $table) {
$cache->delete($this->getCacheKey($name));
}
}
}
/**
* Quotes a table name for use in a query.
* If the table name contains schema prefix, the prefix will also be properly quoted.
* @param string $name table name
* @return string the properly quoted table name
* @see quoteSimpleTableName
*/
public function quoteTableName($name)
{
if (strpos($name, '.') === false) {
return $this->quoteSimpleTableName($name);
}
$parts = explode('.', $name);
foreach ($parts as $i => $part) {
$parts[$i] = $this->quoteSimpleTableName($part);
}
return implode('.', $parts);
}
/**
* Quotes a simple table name for use in a query.
* A simple table name does not 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.
* If the column name contains prefix, the prefix will also be properly quoted.
* @param string $name column name
* @return string the properly quoted column name
* @see quoteSimpleColumnName
*/
public function quoteColumnName($name)
{
if (($pos = strrpos($name, '.')) !== false) {
$prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.';
$name = substr($name, $pos + 1);
} else {
$prefix = '';
}
return $prefix . $this->quoteSimpleColumnName($name);
}
/**
* Quotes a simple column name for use in a query.
* A simple column name does not contain prefix.
* @param string $name column name
* @return string the properly quoted column name
*/
public function quoteSimpleColumnName($name)
{
return strpos($name, '"') !== false || $name === '*' ? $name : '"' . $name . '"';
$this->_tables = array();
}
/**
@ -270,6 +201,95 @@ abstract class Driver extends \yii\base\Object
*/
protected function findTableNames($schema = '')
{
throw new Exception(get_class($this) . 'does not support fetching all table names.');
throw new Exception(get_class($this) . ' does not support fetching all table names.');
}
/**
* Quotes a table name for use in a query.
* If the table name contains schema prefix, the prefix will also be properly quoted.
* If the table name is already quoted or contains special characters including '(', '[[' and '{{',
* then this method will do nothing.
* @param string $name table name
* @return string the properly quoted table name
* @see quoteSimpleTableName
*/
public function quoteTableName($name)
{
if (strpos($name, '(') !== false || strpos($name, '[[') !== false || strpos($name, '{{') !== false) {
return $name;
}
if (strpos($name, '.') === false) {
return $this->quoteSimpleTableName($name);
}
$parts = explode('.', $name);
foreach ($parts as $i => $part) {
$parts[$i] = $this->quoteSimpleTableName($part);
}
return implode('.', $parts);
}
/**
* Quotes a column name for use in a query.
* If the column name contains prefix, the prefix will also be properly quoted.
* If the column name is already quoted or contains special characters including '(', '[[' and '{{',
* then this method will do nothing.
* @param string $name column name
* @return string the properly quoted column name
* @see quoteSimpleColumnName
*/
public function quoteColumnName($name)
{
if (strpos($name, '(') !== false || strpos($name, '[[') !== false || strpos($name, '{{') !== false) {
return $name;
}
if (($pos = strrpos($name, '.')) !== false) {
$prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.';
$name = substr($name, $pos + 1);
} else {
$prefix = '';
}
return $prefix . $this->quoteSimpleColumnName($name);
}
/**
* Quotes a simple table name for use in a query.
* A simple table name should contain the table name only without any schema prefix.
* If the table name is already quoted, this method will do nothing.
* @param string $name table name
* @return string the properly quoted table name
*/
public function quoteSimpleTableName($name)
{
return strpos($name, "'") !== false ? $name : "'" . $name . "'";
}
/**
* Quotes a simple column name for use in a query.
* A simple column name should contain the column name only without any prefix.
* If the column name is already quoted or is the asterisk character '*', this method will do nothing.
* @param string $name column name
* @return string the properly quoted column name
*/
public function quoteSimpleColumnName($name)
{
return strpos($name, '"') !== false || $name === '*' ? $name : '"' . $name . '"';
}
/**
* Returns the real name of a table name.
* This method will strip off curly brackets from the given table name
* and replace the percentage character in the name with [[Connection::tablePrefix]].
* @param string $name the table name to be converted
* @return string the real name of the given table name
*/
public function getRealTableName($name)
{
if ($this->connection->enableAutoQuoting && strpos($name, '{{') !== false) {
$name = preg_replace('/\\{\\{(.*?)\\}\\}/', '\1', $name);
return str_replace('%', $this->connection->tablePrefix, $name);
} else {
return $name;
}
}
}

225
framework/db/QueryBuilder.php
View File

@ -31,10 +31,6 @@ class QueryBuilder extends \yii\base\Object
* Defaults to an empty space. This is mainly used by [[build()]] when generating a SQL statement.
*/
public $separator = " ";
/**
* @var boolean whether to automatically quote table and column names when generating SQL statements.
*/
public $autoQuote = true;
/**
* @var array the abstract column types mapped to physical column types.
* This is mainly used to support creating/modifying tables using DB-independent data type specifications.
@ -99,7 +95,7 @@ class QueryBuilder extends \yii\base\Object
$placeholders = array();
$count = 0;
foreach ($columns as $name => $value) {
$names[] = $this->quoteColumnName($name);
$names[] = $this->connection->quoteColumnName($name);
if ($value instanceof Expression) {
$placeholders[] = $value->expression;
foreach ($value->params as $n => $v) {
@ -112,7 +108,7 @@ class QueryBuilder extends \yii\base\Object
}
}
return 'INSERT INTO ' . $this->quoteTableName($table)
return 'INSERT INTO ' . $this->connection->quoteTableName($table)
. ' (' . implode(', ', $names) . ') VALUES ('
. implode(', ', $placeholders) . ')';
}
@ -144,17 +140,17 @@ class QueryBuilder extends \yii\base\Object
$count = 0;
foreach ($columns as $name => $value) {
if ($value instanceof Expression) {
$lines[] = $this->quoteColumnName($name, true) . '=' . $value->expression;
$lines[] = $this->connection->quoteColumnName($name) . '=' . $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
} else {
$lines[] = $this->quoteColumnName($name, true) . '=:p' . $count;
$lines[] = $this->connection->quoteColumnName($name) . '=:p' . $count;
$params[':p' . $count] = $value;
$count++;
}
}
$sql = 'UPDATE ' . $this->quoteTableName($table) . ' SET ' . implode(', ', $lines);
$sql = 'UPDATE ' . $this->connection->quoteTableName($table) . ' SET ' . implode(', ', $lines);
if (($where = $this->buildCondition($condition)) !== '') {
$sql .= ' WHERE ' . $where;
}
@ -179,7 +175,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function delete($table, $condition = '')
{
$sql = 'DELETE FROM ' . $this->quoteTableName($table);
$sql = 'DELETE FROM ' . $this->connection->quoteTableName($table);
if (($where = $this->buildCondition($condition)) !== '') {
$sql .= ' WHERE ' . $where;
}
@ -217,12 +213,12 @@ class QueryBuilder extends \yii\base\Object
$cols = array();
foreach ($columns as $name => $type) {
if (is_string($name)) {
$cols[] = "\t" . $this->quoteColumnName($name) . ' ' . $this->getColumnType($type);
$cols[] = "\t" . $this->connection->quoteColumnName($name) . ' ' . $this->getColumnType($type);
} else {
$cols[] = "\t" . $type;
}
}
$sql = "CREATE TABLE " . $this->quoteTableName($table) . " (\n" . implode(",\n", $cols) . "\n)";
$sql = "CREATE TABLE " . $this->connection->quoteTableName($table) . " (\n" . implode(",\n", $cols) . "\n)";
return $options === null ? $sql : $sql . ' ' . $options;
}
@ -234,7 +230,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function renameTable($oldName, $newName)
{
return 'RENAME TABLE ' . $this->quoteTableName($oldName) . ' TO ' . $this->quoteTableName($newName);
return 'RENAME TABLE ' . $this->connection->quoteTableName($oldName) . ' TO ' . $this->connection->quoteTableName($newName);
}
/**
@ -244,7 +240,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function dropTable($table)
{
return "DROP TABLE " . $this->quoteTableName($table);
return "DROP TABLE " . $this->connection->quoteTableName($table);
}
/**
@ -254,7 +250,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function truncateTable($table)
{
return "TRUNCATE TABLE " . $this->quoteTableName($table);
return "TRUNCATE TABLE " . $this->connection->quoteTableName($table);
}
/**
@ -268,8 +264,8 @@ class QueryBuilder extends \yii\base\Object
*/
public function addColumn($table, $column, $type)
{
return 'ALTER TABLE ' . $this->quoteTableName($table)
. ' ADD ' . $this->quoteColumnName($column) . ' '
return 'ALTER TABLE ' . $this->connection->quoteTableName($table)
. ' ADD ' . $this->connection->quoteColumnName($column) . ' '
. $this->getColumnType($type);
}
@ -281,8 +277,8 @@ class QueryBuilder extends \yii\base\Object
*/
public function dropColumn($table, $column)
{
return "ALTER TABLE " . $this->quoteTableName($table)
. " DROP COLUMN " . $this->quoteColumnName($column, true);
return "ALTER TABLE " . $this->connection->quoteTableName($table)
. " DROP COLUMN " . $this->connection->quoteColumnName($column);
}
/**
@ -294,9 +290,9 @@ class QueryBuilder extends \yii\base\Object
*/
public function renameColumn($table, $oldName, $newName)
{
return "ALTER TABLE " . $this->quoteTableName($table)
. " RENAME COLUMN " . $this->quoteColumnName($oldName, true)
. " TO " . $this->quoteColumnName($newName, true);
return "ALTER TABLE " . $this->connection->quoteTableName($table)
. " RENAME COLUMN " . $this->connection->quoteColumnName($oldName)
. " TO " . $this->connection->quoteColumnName($newName);
}
/**
@ -311,9 +307,9 @@ class QueryBuilder extends \yii\base\Object
*/
public function alterColumn($table, $column, $type)
{
return 'ALTER TABLE ' . $this->quoteTableName($table) . ' CHANGE '
. $this->quoteColumnName($column, true) . ' '
. $this->quoteColumnName($column, true) . ' '
return 'ALTER TABLE ' . $this->connection->quoteTableName($table) . ' CHANGE '
. $this->connection->quoteColumnName($column) . ' '
. $this->connection->quoteColumnName($column) . ' '
. $this->getColumnType($type);
}
@ -333,10 +329,10 @@ class QueryBuilder extends \yii\base\Object
*/
public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
{
$sql = 'ALTER TABLE ' . $this->quoteTableName($table)
. ' ADD CONSTRAINT ' . $this->quoteColumnName($name)
$sql = 'ALTER TABLE ' . $this->connection->quoteTableName($table)
. ' ADD CONSTRAINT ' . $this->connection->quoteColumnName($name)
. ' FOREIGN KEY (' . $this->buildColumns($columns) . ')'
. ' REFERENCES ' . $this->quoteTableName($refTable)
. ' REFERENCES ' . $this->connection->quoteTableName($refTable)
. ' (' . $this->buildColumns($refColumns) . ')';
if ($delete !== null) {
$sql .= ' ON DELETE ' . $delete;
@ -355,8 +351,8 @@ class QueryBuilder extends \yii\base\Object
*/
public function dropForeignKey($name, $table)
{
return 'ALTER TABLE ' . $this->quoteTableName($table)
. ' DROP CONSTRAINT ' . $this->quoteColumnName($name);
return 'ALTER TABLE ' . $this->connection->quoteTableName($table)
. ' DROP CONSTRAINT ' . $this->connection->quoteColumnName($name);
}
/**
@ -372,8 +368,8 @@ class QueryBuilder extends \yii\base\Object
public function createIndex($name, $table, $columns, $unique = false)
{
return ($unique ? 'CREATE UNIQUE INDEX ' : 'CREATE INDEX ')
. $this->quoteTableName($name) . ' ON '
. $this->quoteTableName($table)
. $this->connection->quoteTableName($name) . ' ON '
. $this->connection->quoteTableName($table)
. ' (' . $this->buildColumns($columns) . ')';
}
@ -385,7 +381,7 @@ class QueryBuilder extends \yii\base\Object
*/
public function dropIndex($name, $table)
{
return 'DROP INDEX ' . $this->quoteTableName($name) . ' ON ' . $this->quoteTableName($table);
return 'DROP INDEX ' . $this->connection->quoteTableName($name) . ' ON ' . $this->connection->quoteTableName($table);
}
/**
@ -500,7 +496,7 @@ class QueryBuilder extends \yii\base\Object
$parts[] = $this->buildInCondition('in', array($column, $value));
} else {
if (strpos($column, '(') === false) {
$column = $this->quoteColumnName($column);
$column = $this->connection->quoteColumnName($column);
}
if ($value === null) {
$parts[] = "$column IS NULL";
@ -541,7 +537,7 @@ class QueryBuilder extends \yii\base\Object
list($column, $value1, $value2) = $operands;
if (strpos($column, '(') === false) {
$column = $this->quoteColumnName($column);
$column = $this->connection->quoteColumnName($column);
}
$value1 = is_string($value1) ? $this->connection->quoteValue($value1) : (string)$value1;
$value2 = is_string($value2) ? $this->connection->quoteValue($value2) : (string)$value2;
@ -581,7 +577,7 @@ class QueryBuilder extends \yii\base\Object
}
}
if (strpos($column, '(') === false) {
$column = $this->quoteColumnName($column);
$column = $this->connection->quoteColumnName($column);
}
if (count($values) > 1) {
@ -596,7 +592,7 @@ class QueryBuilder extends \yii\base\Object
{
foreach ($columns as $i => $column) {
if (strpos($column, '(') === false) {
$columns[$i] = $this->quoteColumnName($column);
$columns[$i] = $this->connection->quoteColumnName($column);
}
}
$vss = array();
@ -636,7 +632,7 @@ class QueryBuilder extends \yii\base\Object
}
if (strpos($column, '(') === false) {
$column = $this->quoteColumnName($column);
$column = $this->connection->quoteColumnName($column);
}
$parts = array();
@ -664,24 +660,21 @@ class QueryBuilder extends \yii\base\Object
return $select . ' *';
}
if ($this->autoQuote) {
$driver = $this->connection->driver;
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return $select . ' ' . $columns;
} else {
$columns = preg_split('/\s*,\s*/', trim($columns), -1, PREG_SPLIT_NO_EMPTY);
}
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return $select . ' ' . $columns;
} else {
$columns = preg_split('/\s*,\s*/', trim($columns), -1, PREG_SPLIT_NO_EMPTY);
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)([\w\-_\.]+)$/', $column, $matches)) {
$columns[$i] = $driver->quoteColumnName($matches[1]) . ' AS ' . $driver->quoteSimpleColumnName($matches[2]);
} else {
$columns[$i] = $driver->quoteColumnName($column);
}
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)([\w\-_\.]+)$/', $column, $matches)) {
$columns[$i] = $this->connection->quoteColumnName($matches[1]) . ' AS ' . $this->connection->quoteColumnName($matches[2]);
} else {
$columns[$i] = $this->connection->quoteColumnName($column);
}
}
}
@ -703,22 +696,19 @@ class QueryBuilder extends \yii\base\Object
return '';
}
if ($this->autoQuote) {
$driver = $this->connection->driver;
if (!is_array($tables)) {
if (strpos($tables, '(') !== false) {
return 'FROM ' . $tables;
} else {
$tables = preg_split('/\s*,\s*/', trim($tables), -1, PREG_SPLIT_NO_EMPTY);
}
if (!is_array($tables)) {
if (strpos($tables, '(') !== false) {
return 'FROM ' . $tables;
} else {
$tables = preg_split('/\s*,\s*/', trim($tables), -1, PREG_SPLIT_NO_EMPTY);
}
foreach ($tables as $i => $table) {
if (strpos($table, '(') === false) {
if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)(.*)$/i', $table, $matches)) { // with alias
$tables[$i] = $driver->quoteTableName($matches[1]) . ' ' . $driver->quoteTableName($matches[2]);
} else {
$tables[$i] = $driver->quoteTableName($table);
}
}
foreach ($tables as $i => $table) {
if (strpos($table, '(') === false) {
if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)(.*)$/i', $table, $matches)) { // with alias
$tables[$i] = $this->connection->quoteTableName($matches[1]) . ' ' . $this->connection->quoteTableName($matches[2]);
} else {
$tables[$i] = $this->connection->quoteTableName($table);
}
}
}
@ -747,12 +737,11 @@ class QueryBuilder extends \yii\base\Object
if (is_array($join)) { // 0:join type, 1:table name, 2:on-condition
if (isset($join[0], $join[1])) {
$table = $join[1];
if ($this->autoQuote && strpos($table, '(') === false) {
$driver = $this->connection->driver;
if (strpos($table, '(') === false) {
if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)(.*)$/', $table, $matches)) { // with alias
$table = $driver->quoteTableName($matches[1]) . ' ' . $driver->quoteTableName($matches[2]);
$table = $this->connection->quoteTableName($matches[1]) . ' ' . $this->connection->quoteTableName($matches[2]);
} else {
$table = $driver->quoteTableName($table);
$table = $this->connection->quoteTableName($table);
}
}
$joins[$i] = $join[0] . ' ' . $table;
@ -813,24 +802,21 @@ class QueryBuilder extends \yii\base\Object
if (empty($columns)) {
return '';
}
if ($this->autoQuote) {
$driver = $this->connection->driver;
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return 'ORDER BY ' . $columns;
} else {
$columns = preg_split('/\s*,\s*/', trim($columns), -1, PREG_SPLIT_NO_EMPTY);
}
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return 'ORDER BY ' . $columns;
} else {
$columns = preg_split('/\s*,\s*/', trim($columns), -1, PREG_SPLIT_NO_EMPTY);
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
if (preg_match('/^(.*?)\s+(asc|desc)$/i', $column, $matches)) {
$columns[$i] = $driver->quoteColumnName($matches[1]) . ' ' . $matches[2];
} else {
$columns[$i] = $driver->quoteColumnName($column);
}
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
if (preg_match('/^(.*?)\s+(asc|desc)$/i', $column, $matches)) {
$columns[$i] = $this->connection->quoteColumnName($matches[1]) . ' ' . $matches[2];
} else {
$columns[$i] = $this->connection->quoteColumnName($column);
}
}
}
@ -879,61 +865,26 @@ class QueryBuilder extends \yii\base\Object
/**
* Processes columns and properly quote them if necessary.
* This method will quote columns if [[autoQuote]] is true.
* It will join all columns into a string with comma as separators.
* @param string|array $columns the columns to be processed
* @return string the processing result
*/
protected function buildColumns($columns)
{
if ($this->autoQuote) {
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return $columns;
} else {
$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY);
}
if (!is_array($columns)) {
if (strpos($columns, '(') !== false) {
return $columns;
} else {
$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY);
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
$columns[$i] = $this->quoteColumnName($column);
}
}
foreach ($columns as $i => $column) {
if (is_object($column)) {
$columns[$i] = (string)$column;
} elseif (strpos($column, '(') === false) {
$columns[$i] = $this->connection->quoteColumnName($column);
}
}
return is_array($columns) ? implode(', ', $columns) : $columns;
}
/**
* Quotes a table name for use in a query.
* This method will perform name quoting only when [[autoQuote]] is true.
* @param string $name table name
* @param boolean $simple whether the name should be treated as a simple table name without any prefix.
* @return string the properly quoted table name
*/
protected function quoteTableName($name, $simple = false)
{
if ($this->autoQuote) {
return $this->connection->quoteTableName($name, $simple);
} else {
return $name;
}
}
/**
* Quotes a column name for use in a query.
* This method will perform name quoting only when [[autoQuote]] is true.
* @param string $name column name
* @param boolean $simple whether the name should be treated as a simple column name without any prefix.
* @return string the properly quoted column name
*/
protected function quoteColumnName($name, $simple = false)
{
if ($this->autoQuote) {
return $this->connection->quoteColumnName($name, $simple);
} else {
return $name;
}
}
}

15
framework/db/mysql/QueryBuilder.php
View File

@ -46,10 +46,11 @@ class QueryBuilder extends \yii\db\QueryBuilder
* @param string $oldName the old name of the column. The name will be properly quoted by the method.
* @param string $newName the new name of the column. The name will be properly quoted by the method.
* @return string the SQL statement for renaming a DB column.
* @throws Exception
*/
public function renameColumn($table, $oldName, $newName)
{
$quotedTable = $this->quoteTableName($table);
$quotedTable = $this->connection->quoteTableName($table);
$row = $this->connection->createCommand('SHOW CREATE TABLE ' . $quotedTable)->queryRow();
if ($row === false) {
throw new Exception("Unable to find '$oldName' in table '$table'.");
@ -64,16 +65,16 @@ class QueryBuilder extends \yii\db\QueryBuilder
foreach ($matches[1] as $i => $c) {
if ($c === $oldName) {
return "ALTER TABLE $quotedTable CHANGE "
. $this->quoteColumnName($oldName, true) . ' '
. $this->quoteColumnName($newName, true) . ' '
. $this->connection->quoteColumnName($oldName) . ' '
. $this->connection->quoteColumnName($newName) . ' '
. $matches[2][$i];
}
}
}
// try to give back a SQL anyway
return "ALTER TABLE $quotedTable CHANGE "
. $this->quoteColumnName($oldName, true) . ' '
. $this->quoteColumnName($newName, true);
. $this->connection->quoteColumnName($oldName) . ' '
. $this->connection->quoteColumnName($newName);
}
/**
@ -84,7 +85,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
*/
public function dropForeignKey($name, $table)
{
return 'ALTER TABLE ' . $this->quoteTableName($table)
. ' DROP FOREIGN KEY ' . $this->quoteColumnName($name);
return 'ALTER TABLE ' . $this->connection->quoteTableName($table)
. ' DROP FOREIGN KEY ' . $this->connection->quoteColumnName($name);
}
}

9
tests/unit/framework/db/CommandTest.php
View File

@ -36,6 +36,15 @@ class CommandTest extends \yiiunit\MysqlTestCase
$this->assertEquals($sql2, $command->sql);
}
function testAutoQuoting()
{
$db = $this->getConnection(false);
$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);
}
function testPrepareCancel()
{
$db = $this->getConnection(false);

12
tests/unit/framework/db/ConnectionTest.php
View File

@ -49,7 +49,7 @@ class ConnectionTest extends \yiiunit\MysqlTestCase
$connection = $this->getConnection(false);
$this->assertEquals(123, $connection->quoteValue(123));
$this->assertEquals("'string'", $connection->quoteValue('string'));
$this->assertEquals("'It\'s interesting'", $connection->quoteValue("It's interesting"));
$this->assertEquals("'It\\'s interesting'", $connection->quoteValue("It's interesting"));
}
function testQuoteTableName()
@ -58,7 +58,10 @@ class ConnectionTest extends \yiiunit\MysqlTestCase
$this->assertEquals('`table`', $connection->quoteTableName('table'));
$this->assertEquals('`table`', $connection->quoteTableName('`table`'));
$this->assertEquals('`schema`.`table`', $connection->quoteTableName('schema.table'));
$this->assertEquals('`schema.table`', $connection->quoteTableName('schema.table', true));
$this->assertEquals('`schema`.`table`', $connection->quoteTableName('schema.`table`'));
$this->assertEquals('[[table]]', $connection->quoteTableName('[[table]]'));
$this->assertEquals('{{table}}', $connection->quoteTableName('{{table}}'));
$this->assertEquals('(table)', $connection->quoteTableName('(table)'));
}
function testQuoteColumnName()
@ -67,7 +70,10 @@ class ConnectionTest extends \yiiunit\MysqlTestCase
$this->assertEquals('`column`', $connection->quoteColumnName('column'));
$this->assertEquals('`column`', $connection->quoteColumnName('`column`'));
$this->assertEquals('`table`.`column`', $connection->quoteColumnName('table.column'));
$this->assertEquals('`table.column`', $connection->quoteColumnName('table.column', true));
$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)'));
}
function testGetPdoType()