init without trunk

vendor/gedmo/doctrine-extensions/lib/Gedmo/Tool/Logging/DBAL/QueryAnalyzer.php

@@ -0,0 +1,248 @@
+<?php
+
+namespace Gedmo\Tool\Logging\DBAL;
+
+use Doctrine\DBAL\Logging\SQLLogger;
+use Doctrine\DBAL\Types\Type;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * @author Gediminas Morkevicius <gediminas.morkevicius@gmail.com>
+ * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+class QueryAnalyzer implements SQLLogger
+{
+    /**
+     * Used database platform
+     *
+     * @var AbstractPlatform
+     */
+    protected $platform;
+
+    /**
+     * Start time of currently executed query
+     *
+     * @var integer
+     */
+    private $queryStartTime = null;
+
+    /**
+     * Total execution time of all queries
+     *
+     * @var integer
+     */
+    private $totalExecutionTime = 0;
+
+    /**
+     * List of queries executed
+     *
+     * @var array
+     */
+    private $queries = array();
+
+    /**
+     * Query execution times indexed
+     * in same order as queries
+     *
+     * @var array
+     */
+    private $queryExecutionTimes = array();
+
+    /**
+     * Initialize log listener with database
+     * platform, which is needed for parameter
+     * conversion
+     *
+     * @param AbstractPlatform $platform
+     */
+    public function __construct(AbstractPlatform $platform)
+    {
+        $this->platform = $platform;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function startQuery($sql, array $params = null, array $types = null)
+    {
+        $this->queryStartTime = microtime(true);
+        $this->queries[] = $this->generateSql($sql, $params, $types);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function stopQuery()
+    {
+        $ms = round(microtime(true) - $this->queryStartTime, 4) * 1000;
+        $this->queryExecutionTimes[] = $ms;
+        $this->totalExecutionTime += $ms;
+    }
+
+    /**
+     * Clean all collected data
+     *
+     * @return QueryAnalyzer
+     */
+    public function cleanUp()
+    {
+        $this->queries = array();
+        $this->queryExecutionTimes = array();
+        $this->totalExecutionTime = 0;
+
+        return $this;
+    }
+
+    /**
+     * Dump the statistics of executed queries
+     *
+     * @param boolean $dumpOnlySql
+     *
+     * @return string
+     */
+    public function getOutput($dumpOnlySql = false)
+    {
+        $output = '';
+        if (!$dumpOnlySql) {
+            $output .= 'Platform: '.$this->platform->getName().PHP_EOL;
+            $output .= 'Executed queries: '.count($this->queries).', total time: '.$this->totalExecutionTime.' ms'.PHP_EOL;
+        }
+        foreach ($this->queries as $index => $sql) {
+            if (!$dumpOnlySql) {
+                $output .= 'Query('.($index+1).') - '.$this->queryExecutionTimes[$index].' ms'.PHP_EOL;
+            }
+            $output .= $sql.';'.PHP_EOL;
+        }
+        $output .= PHP_EOL;
+
+        return $output;
+    }
+
+    /**
+     * Index of the slowest query executed
+     *
+     * @return integer
+     */
+    public function getSlowestQueryIndex()
+    {
+        $index = 0;
+        $slowest = 0;
+        foreach ($this->queryExecutionTimes as $i => $time) {
+            if ($time > $slowest) {
+                $slowest = $time;
+                $index = $i;
+            }
+        }
+
+        return $index;
+    }
+
+    /**
+     * Get total execution time of queries
+     *
+     * @return integer
+     */
+    public function getTotalExecutionTime()
+    {
+        return $this->totalExecutionTime;
+    }
+
+    /**
+     * Get all queries
+     *
+     * @return array
+     */
+    public function getExecutedQueries()
+    {
+        return $this->queries;
+    }
+
+    /**
+     * Get number of executed queries
+     *
+     * @return integer
+     */
+    public function getNumExecutedQueries()
+    {
+        return count($this->queries);
+    }
+
+    /**
+     * Get all query execution times
+     *
+     * @return array
+     */
+    public function getExecutionTimes()
+    {
+        return $this->queryExecutionTimes;
+    }
+
+    /**
+     * Create the SQL with mapped parameters
+     *
+     * @param string      $sql
+     * @param null|array  $params
+     * @param null|array  $types
+     *
+     * @return string
+     */
+    private function generateSql($sql, $params, $types)
+    {
+        if (null === $params || !count($params)) {
+            return $sql;
+        }
+        $converted = $this->getConvertedParams($params, $types);
+        if (is_int(key($params))) {
+            $index = key($converted);
+            $sql = preg_replace_callback('@\?@sm', function ($match) use (&$index, $converted) {
+                return $converted[$index++];
+            }, $sql);
+        } else {
+            foreach ($converted as $key => $value) {
+                $sql = str_replace(':'.$key, $value, $sql);
+            }
+        }
+
+        return $sql;
+    }
+
+    /**
+     * Get the converted parameter list
+     *
+     * @param array $params
+     * @param array $types
+     *
+     * @return array
+     */
+    private function getConvertedParams($params, $types)
+    {
+        $result = array();
+        foreach ($params as $position => $value) {
+            if (isset($types[$position])) {
+                $type = $types[$position];
+                if (is_string($type)) {
+                    $type = Type::getType($type);
+                }
+                if ($type instanceof Type) {
+                    $value = $type->convertToDatabaseValue($value, $this->platform);
+                }
+            } else {
+                // Remove `$value instanceof \DateTime` check when PHP version is bumped to >=5.5
+                if (is_object($value) && ($value instanceof \DateTime || $value instanceof \DateTimeInterface)) {
+                    $value = $value->format($this->platform->getDateTimeFormatString());
+                } elseif (!is_null($value)) {
+                    $type = Type::getType(gettype($value));
+                    $value = $type->convertToDatabaseValue($value, $this->platform);
+                }
+            }
+            if (is_string($value)) {
+                $value = "'{$value}'";
+            } elseif (is_null($value)) {
+                $value = 'NULL';
+            }
+            $result[$position] = $value;
+        }
+
+        return $result;
+    }
+}