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Commit c1b5946d by Paul Klimov
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yii\sphinx\Command reworked to extend yii\db\Command.

yii\sphinx\DataReader removed.
parent 433ffb2e
Showing with 135 additions and 689 deletions
extensions/sphinx/Command.php
......@@ -8,9 +8,7 @@
namespace yii\sphinx;
use Yii;
use yii\base\Component;
use yii\caching\Cache;
use yii\db\Exception;
use yii\base\NotSupportedException;
/**
* Command represents a SQL statement to be executed against a Sphinx.
......@@ -41,406 +39,14 @@ use yii\db\Exception;
*
* To build SELECT SQL statements, please use [[Query]] and [[QueryBuilder]] instead.
*
* @property string $rawSql The raw SQL with parameter values inserted into the corresponding placeholders in
* [[sql]]. This property is read-only.
* @property string $sql The SQL statement to be executed.
* @property \yii\sphinx\Connection $db the Sphinx connection that this command is associated with.
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0
*/
class Command extends Component
class Command extends \yii\db\Command
{
/**
* @var Connection the Sphinx connection that this command is associated with
*/
public $db;
/**
* @var \PDOStatement the PDOStatement object that this command is associated with
*/
public $pdoStatement;
/**
* @var integer the default fetch mode for this command.
* @see http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php
*/
public $fetchMode = \PDO::FETCH_ASSOC;
/**
* @var array the parameters (name => value) that are bound to the current PDO statement.
* This property is maintained by methods such as [[bindValue()]].
* Do not modify it directly.
*/
public $params = [];
/**
* @var string the SphinxQL statement that this command represents
*/
private $_sql;
/**
* Returns the SQL statement for this command.
* @return string the SQL statement to be executed
*/
public function getSql()
{
return $this->_sql;
}
/**
* Specifies the SQL statement to be executed.
* The previous SQL execution (if any) will be cancelled, and [[params]] will be cleared as well.
* @param string $sql the SQL statement to be set.
* @return static this command instance
*/
public function setSql($sql)
{
if ($sql !== $this->_sql) {
$this->cancel();
$this->_sql = $this->db->quoteSql($sql);
$this->params = [];
}
return $this;
}
/**
* Returns the raw SQL by inserting parameter values into the corresponding placeholders in [[sql]].
* Note that the return value of this method should mainly be used for logging purpose.
* It is likely that this method returns an invalid SQL due to improper replacement of parameter placeholders.
* @return string the raw SQL with parameter values inserted into the corresponding placeholders in [[sql]].
*/
public function getRawSql()
{
if (empty($this->params)) {
return $this->_sql;
} else {
$params = [];
foreach ($this->params as $name => $value) {
if (is_string($value)) {
$params[$name] = $this->db->quoteValue($value);
} elseif ($value === null) {
$params[$name] = 'NULL';
} else {
$params[$name] = $value;
}
}
if (isset($params[1])) {
$sql = '';
foreach (explode('?', $this->_sql) as $i => $part) {
$sql .= (isset($params[$i]) ? $params[$i] : '') . $part;
}
return $sql;
} else {
return strtr($this->_sql, $params);
}
}
}
/**
* Prepares the SQL statement to be executed.
* For complex SQL statement that is to be executed multiple times,
* this may improve performance.
* For SQL statement with binding parameters, this method is invoked
* automatically.
* @throws Exception if there is any DB error
*/
public function prepare()
{
if ($this->pdoStatement == null) {
$sql = $this->getSql();
try {
$this->pdoStatement = $this->db->pdo->prepare($sql);
} catch (\Exception $e) {
$message = $e->getMessage() . "\nFailed to prepare SQL: $sql";
$errorInfo = $e instanceof \PDOException ? $e->errorInfo : null;
throw new Exception($message, $errorInfo, (int)$e->getCode(), $e);
}
}
}
/**
* Cancels the execution of the SQL statement.
* This method mainly sets [[pdoStatement]] to be null.
*/
public function cancel()
{
$this->pdoStatement = null;
}
/**
* Binds a parameter to the SQL statement to be executed.
* @param string|integer $name parameter identifier. For a prepared statement
* using named placeholders, this will be a parameter name of
* the form `:name`. For a prepared statement using question mark
* placeholders, this will be the 1-indexed position of the parameter.
* @param mixed $value Name of the PHP variable to bind to the SQL statement parameter
* @param integer $dataType SQL data type of the parameter. If null, the type is determined by the PHP type of the value.
* @param integer $length length of the data type
* @param mixed $driverOptions the driver-specific options
* @return static the current command being executed
* @see http://www.php.net/manual/en/function.PDOStatement-bindParam.php
*/
public function bindParam($name, &$value, $dataType = null, $length = null, $driverOptions = null)
{
$this->prepare();
if ($dataType === null) {
$dataType = $this->db->getSchema()->getPdoType($value);
}
if ($length === null) {
$this->pdoStatement->bindParam($name, $value, $dataType);
} elseif ($driverOptions === null) {
$this->pdoStatement->bindParam($name, $value, $dataType, $length);
} else {
$this->pdoStatement->bindParam($name, $value, $dataType, $length, $driverOptions);
}
$this->params[$name] =& $value;
return $this;
}
/**
* Binds a value to a parameter.
* @param string|integer $name Parameter identifier. For a prepared statement
* using named placeholders, this will be a parameter name of
* the form `:name`. For a prepared statement using question mark
* placeholders, this will be the 1-indexed position of the parameter.
* @param mixed $value The value to bind to the parameter
* @param integer $dataType SQL data type of the parameter. If null, the type is determined by the PHP type of the value.
* @return static the current command being executed
* @see http://www.php.net/manual/en/function.PDOStatement-bindValue.php
*/
public function bindValue($name, $value, $dataType = null)
{
$this->prepare();
if ($dataType === null) {
$dataType = $this->db->getSchema()->getPdoType($value);
}
$this->pdoStatement->bindValue($name, $value, $dataType);
$this->params[$name] = $value;
return $this;
}
/**
* Binds a list of values to the corresponding parameters.
* This is similar to [[bindValue()]] except that it binds multiple values at a time.
* Note that the SQL data type of each value is determined by its PHP type.
* @param array $values the values to be bound. This must be given in terms of an associative
* array with array keys being the parameter names, and array values the corresponding parameter values,
* e.g. `[':name' => 'John', ':age' => 25]`. By default, the PDO type of each value is determined
* by its PHP type. You may explicitly specify the PDO type by using an array: `[value, type]`,
* e.g. `[':name' => 'John', ':profile' => [$profile, \PDO::PARAM_LOB]]`.
* @return static the current command being executed
*/
public function bindValues($values)
{
if (!empty($values)) {
$this->prepare();
foreach ($values as $name => $value) {
if (is_array($value)) {
$type = $value[1];
$value = $value[0];
} else {
$type = $this->db->getSchema()->getPdoType($value);
}
$this->pdoStatement->bindValue($name, $value, $type);
$this->params[$name] = $value;
}
}
return $this;
}
/**
* Executes the SQL statement.
* This method should only be used for executing non-query SQL statement, such as `INSERT`, `DELETE`, `UPDATE` SQLs.
* No result set will be returned.
* @return integer number of rows affected by the execution.
* @throws Exception execution failed
*/
public function execute()
{
$sql = $this->getSql();
$rawSql = $this->getRawSql();
Yii::trace($rawSql, __METHOD__);
if ($sql == '') {
return 0;
}
$token = $rawSql;
try {
Yii::beginProfile($token, __METHOD__);
$this->prepare();
$this->pdoStatement->execute();
$n = $this->pdoStatement->rowCount();
Yii::endProfile($token, __METHOD__);
return $n;
} catch (\Exception $e) {
Yii::endProfile($token, __METHOD__);
$message = $e->getMessage() . "\nThe SQL being executed was: $rawSql";
$errorInfo = $e instanceof \PDOException ? $e->errorInfo : null;
throw new Exception($message, $errorInfo, (int)$e->getCode(), $e);
}
}
/**
* Executes the SQL statement and returns query result.
* This method is for executing a SQL query that returns result set, such as `SELECT`.
* @return DataReader the reader object for fetching the query result
* @throws Exception execution failed
*/
public function query()
{
return $this->queryInternal('');
}
/**
* Executes the SQL statement and returns ALL rows at once.
* @param integer $fetchMode the result fetch mode. Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php)
* for valid fetch modes. If this parameter is null, the value set in [[fetchMode]] will be used.
* @return array all rows of the query result. Each array element is an array representing a row of data.
* An empty array is returned if the query results in nothing.
* @throws Exception execution failed
*/
public function queryAll($fetchMode = null)
{
return $this->queryInternal('fetchAll', $fetchMode);
}
/**
* Executes the SQL statement and returns the first row of the result.
* This method is best used when only the first row of result is needed for a query.
* @param integer $fetchMode the result fetch mode. Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php)
* for valid fetch modes. If this parameter is null, the value set in [[fetchMode]] will be used.
* @return array|boolean the first row (in terms of an array) of the query result. False is returned if the query
* results in nothing.
* @throws Exception execution failed
*/
public function queryOne($fetchMode = null)
{
return $this->queryInternal('fetch', $fetchMode);
}
/**
* Executes the SQL statement and returns the value of the first column in the first row of data.
* This method is best used when only a single value is needed for a query.
* @return string|boolean the value of the first column in the first row of the query result.
* False is returned if there is no value.
* @throws Exception execution failed
*/
public function queryScalar()
{
$result = $this->queryInternal('fetchColumn', 0);
if (is_resource($result) && get_resource_type($result) === 'stream') {
return stream_get_contents($result);
} else {
return $result;
}
}
/**
* Executes the SQL statement and returns the first column of the result.
* This method is best used when only the first column of result (i.e. the first element in each row)
* is needed for a query.
* @return array the first column of the query result. Empty array is returned if the query results in nothing.
* @throws Exception execution failed
*/
public function queryColumn()
{
return $this->queryInternal('fetchAll', \PDO::FETCH_COLUMN);
}
/**
* Performs the actual DB query of a SQL statement.
* @param string $method method of PDOStatement to be called
* @param integer $fetchMode the result fetch mode. Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php)
* for valid fetch modes. If this parameter is null, the value set in [[fetchMode]] will be used.
* @return mixed the method execution result
* @throws Exception if the query causes any problem
*/
private function queryInternal($method, $fetchMode = null)
{
$db = $this->db;
$rawSql = $this->getRawSql();
Yii::trace($rawSql, __METHOD__);
/** @var $cache \yii\caching\Cache */
if ($db->enableQueryCache && $method !== '') {
$cache = is_string($db->queryCache) ? Yii::$app->getComponent($db->queryCache) : $db->queryCache;
}
if (isset($cache) && $cache instanceof Cache) {
$cacheKey = [
__CLASS__,
$db->dsn,
$db->username,
$rawSql,
];
if (($result = $cache->get($cacheKey)) !== false) {
Yii::trace('Query result served from cache', __METHOD__);
return $result;
}
}
$token = $rawSql;
try {
Yii::beginProfile($token, __METHOD__);
$this->prepare();
$this->pdoStatement->execute();
if ($method === '') {
$result = new DataReader($this);
} else {
if ($fetchMode === null) {
$fetchMode = $this->fetchMode;
}
$result = call_user_func_array([$this->pdoStatement, $method], (array)$fetchMode);
$this->pdoStatement->closeCursor();
}
Yii::endProfile($token, __METHOD__);
if (isset($cache, $cacheKey) && $cache instanceof Cache) {
$cache->set($cacheKey, $result, $db->queryCacheDuration, $db->queryCacheDependency);
Yii::trace('Saved query result in cache', __METHOD__);
}
return $result;
} catch (\Exception $e) {
Yii::endProfile($token, __METHOD__);
$message = $e->getMessage() . "\nThe SQL being executed was: $rawSql";
$errorInfo = $e instanceof \PDOException ? $e->errorInfo : null;
throw new Exception($message, $errorInfo, (int)$e->getCode(), $e);
}
}
/**
* Creates an INSERT 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 inserted.
*
* Note that the created command is not executed until [[execute()]] is called.
*
* @param string $index the index that new rows will be inserted into.
* @param array $columns the column data (name => value) to be inserted into the index.
* @return static the command object itself
*/
public function insert($index, $columns)
{
$params = [];
$sql = $this->db->getQueryBuilder()->insert($index, $columns, $params);
return $this->setSql($sql)->bindValues($params);
}
/**
* Creates a batch INSERT command.
* For example,
*
......@@ -545,30 +151,6 @@ class Command extends Component
}
/**
* Creates a DELETE command.
* For example,
*
* ~~~
* $connection->createCommand()->delete('tbl_user', 'status = 0')->execute();
* ~~~
*
* The method will properly escape the index and column names.
*
* Note that the created command is not executed until [[execute()]] is called.
*
* @param string $index the index where the data will be deleted from.
* @param string|array $condition the condition that will be put in the WHERE part. Please
* refer to [[Query::where()]] on how to specify condition.
* @param array $params the parameters to be bound to the command
* @return static the command object itself
*/
public function delete($index, $condition = '', $params = [])
{
$sql = $this->db->getQueryBuilder()->delete($index, $condition, $params);
return $this->setSql($sql)->bindValues($params);
}
/**
* Creates a SQL command for truncating a runtime index.
* @param string $index the index to be truncated. The name will be properly quoted by the method.
* @return static the command object itself
......@@ -608,4 +190,134 @@ class Command extends Component
$sql = $this->db->getQueryBuilder()->callKeywords($index, $text, $fetchStatistic, $params);
return $this->setSql($sql)->bindValues($params);
}
// Not Supported :
/**
* @inheritdoc
*/
public function createTable($table, $columns, $options = null)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function renameTable($table, $newName)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function dropTable($table)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function truncateTable($table)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function addColumn($table, $column, $type)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function dropColumn($table, $column)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function renameColumn($table, $oldName, $newName)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function alterColumn($table, $column, $type)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function addPrimaryKey($name, $table, $columns)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function dropPrimaryKey($name, $table)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function dropForeignKey($name, $table)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function createIndex($name, $table, $columns, $unique = false)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function dropIndex($name, $table)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function resetSequence($table, $value = null)
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
/**
* @inheritdoc
*/
public function checkIntegrity($check = true, $schema = '')
{
throw new NotSupportedException('"' . __METHOD__ . '" is not supported.');
}
}
\ No newline at end of file
extensions/sphinx/DataReader.php deleted 100644 → 0
<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\sphinx;
use yii\base\InvalidCallException;
use yii\base\Object;
/**
* DataReader represents a forward-only stream of rows from a query result set.
*
* To read the current row of data, call [[read()]]. The method [[readAll()]]
* returns all the rows in a single array. Rows of data can also be read by
* iterating through the reader. For example,
*
* ~~~
* $reader = $command->query('SELECT * FROM idx_post');
*
* while ($row = $reader->read()) {
* $rows[] = $row;
* }
*
* // equivalent to:
* foreach ($reader as $row) {
* $rows[] = $row;
* }
*
* // equivalent to:
* $rows = $reader->readAll();
* ~~~
*
* Note that since DataReader is a forward-only stream, you can only traverse it once.
* Doing it the second time will throw an exception.
*
* It is possible to use a specific mode of data fetching by setting
* [[fetchMode]]. See the [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php)
* for more details about possible fetch mode.
*
* @property integer $columnCount The number of columns in the result set. This property is read-only.
* @property integer $fetchMode Fetch mode. This property is write-only.
* @property boolean $isClosed Whether the reader is closed or not. This property is read-only.
* @property integer $rowCount Number of rows contained in the result. This property is read-only.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class DataReader extends Object implements \Iterator, \Countable
{
/**
* @var \PDOStatement the PDOStatement associated with the command
*/
private $_statement;
private $_closed = false;
private $_row;
private $_index = -1;
/**
* Constructor.
* @param Command $command the command generating the query result
* @param array $config name-value pairs that will be used to initialize the object properties
*/
public function __construct(Command $command, $config = [])
{
$this->_statement = $command->pdoStatement;
$this->_statement->setFetchMode(\PDO::FETCH_ASSOC);
parent::__construct($config);
}
/**
* Binds a column to a PHP variable.
* When rows of data are being fetched, the corresponding column value
* will be set in the variable. Note, the fetch mode must include PDO::FETCH_BOUND.
* @param integer|string $column Number of the column (1-indexed) or name of the column
* in the result set. If using the column name, be aware that the name
* should match the case of the column, as returned by the driver.
* @param mixed $value Name of the PHP variable to which the column will be bound.
* @param integer $dataType Data type of the parameter
* @see http://www.php.net/manual/en/function.PDOStatement-bindColumn.php
*/
public function bindColumn($column, &$value, $dataType = null)
{
if ($dataType === null) {
$this->_statement->bindColumn($column, $value);
} else {
$this->_statement->bindColumn($column, $value, $dataType);
}
}
/**
* Set the default fetch mode for this statement
* @param integer $mode fetch mode
* @see http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php
*/
public function setFetchMode($mode)
{
$params = func_get_args();
call_user_func_array([$this->_statement, 'setFetchMode'], $params);
}
/**
* Advances the reader to the next row in a result set.
* @return array the current row, false if no more row available
*/
public function read()
{
return $this->_statement->fetch();
}
/**
* Returns a single column from the next row of a result set.
* @param integer $columnIndex zero-based column index
* @return mixed the column of the current row, false if no more rows available
*/
public function readColumn($columnIndex)
{
return $this->_statement->fetchColumn($columnIndex);
}
/**
* Returns an object populated with the next row of data.
* @param string $className class name of the object to be created and populated
* @param array $fields Elements of this array are passed to the constructor
* @return mixed the populated object, false if no more row of data available
*/
public function readObject($className, $fields)
{
return $this->_statement->fetchObject($className, $fields);
}
/**
* Reads the whole result set into an array.
* @return array the result set (each array element represents a row of data).
* An empty array will be returned if the result contains no row.
*/
public function readAll()
{
return $this->_statement->fetchAll();
}
/**
* Advances the reader to the next result when reading the results of a batch of statements.
* This method is only useful when there are multiple result sets
* returned by the query. Not all DBMS support this feature.
* @return boolean Returns true on success or false on failure.
*/
public function nextResult()
{
if (($result = $this->_statement->nextRowset()) !== false) {
$this->_index = -1;
}
return $result;
}
/**
* Closes the reader.
* This frees up the resources allocated for executing this SQL statement.
* Read attempts after this method call are unpredictable.
*/
public function close()
{
$this->_statement->closeCursor();
$this->_closed = true;
}
/**
* whether the reader is closed or not.
* @return boolean whether the reader is closed or not.
*/
public function getIsClosed()
{
return $this->_closed;
}
/**
* Returns the number of rows in the result set.
* Note, most DBMS may not give a meaningful count.
* In this case, use "SELECT COUNT(*) FROM tableName" to obtain the number of rows.
* @return integer number of rows contained in the result.
*/
public function getRowCount()
{
return $this->_statement->rowCount();
}
/**
* Returns the number of rows in the result set.
* This method is required by the Countable interface.
* Note, most DBMS may not give a meaningful count.
* In this case, use "SELECT COUNT(*) FROM tableName" to obtain the number of rows.
* @return integer number of rows contained in the result.
*/
public function count()
{
return $this->getRowCount();
}
/**
* Returns the number of columns in the result set.
* Note, even there's no row in the reader, this still gives correct column number.
* @return integer the number of columns in the result set.
*/
public function getColumnCount()
{
return $this->_statement->columnCount();
}
/**
* Resets the iterator to the initial state.
* This method is required by the interface Iterator.
* @throws InvalidCallException if this method is invoked twice
*/
public function rewind()
{
if ($this->_index < 0) {
$this->_row = $this->_statement->fetch();
$this->_index = 0;
} else {
throw new InvalidCallException('DataReader cannot rewind. It is a forward-only reader.');
}
}
/**
* Returns the index of the current row.
* This method is required by the interface Iterator.
* @return integer the index of the current row.
*/
public function key()
{
return $this->_index;
}
/**
* Returns the current row.
* This method is required by the interface Iterator.
* @return mixed the current row.
*/
public function current()
{
return $this->_row;
}
/**
* Moves the internal pointer to the next row.
* This method is required by the interface Iterator.
*/
public function next()
{
$this->_row = $this->_statement->fetch();
$this->_index++;
}
/**
* Returns whether there is a row of data at current position.
* This method is required by the interface Iterator.
* @return boolean whether there is a row of data at current position.
*/
public function valid()
{
return $this->_row !== false;
}
}
\ No newline at end of file
tests/unit/extensions/sphinx/CommandTest.php
......@@ -2,8 +2,7 @@
namespace yiiunit\extensions\sphinx;
use yii\sphinx\DataReader;
use yii\db\Expression;
use yii\db\DataReader;
/**
* @group sphinx
......
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