Vendoring deprecated composer libs

1 files changed, 268 insertions, 0 deletions

diff --git a/libs/picodb/lib/PicoDb/Driver/Mysql.php b/libs/picodb/lib/PicoDb/Driver/Mysql.php
new file mode 100644
index 00000000..7e5cce0a
--- /dev/null
+++ b/libs/picodb/lib/PicoDb/Driver/Mysql.php
@@ -0,0 +1,268 @@
+<?php
+
+namespace PicoDb\Driver;
+
+use PDO;
+use PDOException;
+
+/**
+ * Mysql Driver
+ *
+ * @package PicoDb\Driver
+ * @author  Frederic Guillot
+ */
+class Mysql extends Base
+{
+    /**
+     * List of required settings options
+     *
+     * @access protected
+     * @var array
+     */
+    protected $requiredAttributes = array(
+        'hostname',
+        'username',
+        'password',
+        'database',
+    );
+
+    /**
+     * Table to store the schema version
+     *
+     * @access private
+     * @var array
+     */
+    private $schemaTable = 'schema_version';
+
+    /**
+     * Create a new PDO connection
+     *
+     * @access public
+     * @param  array   $settings
+     */
+    public function createConnection(array $settings)
+    {
+        $this->pdo = new PDO(
+            $this->buildDsn($settings),
+            $settings['username'],
+            $settings['password'],
+            $this->buildOptions($settings)
+        );
+
+        if (isset($settings['schema_table'])) {
+            $this->schemaTable = $settings['schema_table'];
+        }
+    }
+
+    /**
+     * Build connection DSN
+     *
+     * @access protected
+     * @param  array $settings
+     * @return string
+     */
+    protected function buildDsn(array $settings)
+    {
+        $charset = empty($settings['charset']) ? 'utf8' : $settings['charset'];
+        $dsn = 'mysql:host='.$settings['hostname'].';dbname='.$settings['database'].';charset='.$charset;
+
+        if (! empty($settings['port'])) {
+            $dsn .= ';port='.$settings['port'];
+        }
+
+        return $dsn;
+    }
+
+    /**
+     * Build connection options
+     *
+     * @access protected
+     * @param  array $settings
+     * @return array
+     */
+    protected function buildOptions(array $settings)
+    {
+        $options = array(
+            PDO::MYSQL_ATTR_INIT_COMMAND => 'SET sql_mode = STRICT_ALL_TABLES',
+        );
+
+        if (! empty($settings['ssl_key'])) {
+            $options[PDO::MYSQL_ATTR_SSL_KEY] = $settings['ssl_key'];
+        }
+
+        if (! empty($settings['ssl_cert'])) {
+            $options[PDO::MYSQL_ATTR_SSL_CERT] = $settings['ssl_cert'];
+        }
+
+        if (! empty($settings['ssl_ca'])) {
+            $options[PDO::MYSQL_ATTR_SSL_CA] = $settings['ssl_ca'];
+        }
+
+        if (! empty($settings['persistent'])) {
+            $options[PDO::ATTR_PERSISTENT] = $settings['persistent'];
+        }
+
+        if (! empty($settings['timeout'])) {
+            $options[PDO::ATTR_TIMEOUT] = $settings['timeout'];
+        }
+
+        if (isset($settings['verify_server_cert'])) {
+            $options[PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = $settings['verify_server_cert'];
+        }
+
+        if (! empty($settings['case'])) {
+            $options[PDO::ATTR_CASE] = $settings['case'];
+        }
+
+        return $options;
+    }
+
+    /**
+     * Enable foreign keys
+     *
+     * @access public
+     */
+    public function enableForeignKeys()
+    {
+        $this->pdo->exec('SET FOREIGN_KEY_CHECKS=1');
+    }
+
+    /**
+     * Disable foreign keys
+     *
+     * @access public
+     */
+    public function disableForeignKeys()
+    {
+        $this->pdo->exec('SET FOREIGN_KEY_CHECKS=0');
+    }
+
+    /**
+     * Return true if the error code is a duplicate key
+     *
+     * @access public
+     * @param  integer  $code
+     * @return boolean
+     */
+    public function isDuplicateKeyError($code)
+    {
+        return $code == 23000;
+    }
+
+    /**
+     * Escape identifier
+     *
+     * @access public
+     * @param  string  $identifier
+     * @return string
+     */
+    public function escape($identifier)
+    {
+        return '`'.$identifier.'`';
+    }
+
+    /**
+     * Get non standard operator
+     *
+     * @access public
+     * @param  string  $operator
+     * @return string
+     */
+    public function getOperator($operator)
+    {
+        if ($operator === 'LIKE') {
+            return 'LIKE BINARY';
+        }
+        else if ($operator === 'ILIKE') {
+            return 'LIKE';
+        }
+
+        return '';
+    }
+
+    /**
+     * Get last inserted id
+     *
+     * @access public
+     * @return integer
+     */
+    public function getLastId()
+    {
+        return $this->pdo->lastInsertId();
+    }
+
+    /**
+     * Get current schema version
+     *
+     * @access public
+     * @return integer
+     */
+    public function getSchemaVersion()
+    {
+        $this->pdo->exec("CREATE TABLE IF NOT EXISTS `".$this->schemaTable."` (`version` INT DEFAULT '0') ENGINE=InnoDB CHARSET=utf8");
+
+        $rq = $this->pdo->prepare('SELECT `version` FROM `'.$this->schemaTable.'`');
+        $rq->execute();
+        $result = $rq->fetchColumn();
+
+        if ($result !== false) {
+            return (int) $result;
+        }
+        else {
+            $this->pdo->exec('INSERT INTO `'.$this->schemaTable.'` VALUES(0)');
+        }
+
+        return 0;
+    }
+
+    /**
+     * Set current schema version
+     *
+     * @access public
+     * @param  integer  $version
+     */
+    public function setSchemaVersion($version)
+    {
+        $rq = $this->pdo->prepare('UPDATE `'.$this->schemaTable.'` SET `version`=?');
+        $rq->execute(array($version));
+    }
+
+    /**
+     * Upsert for a key/value variable
+     *
+     * @access public
+     * @param  string  $table
+     * @param  string  $keyColumn
+     * @param  string  $valueColumn
+     * @param  array   $dictionary
+     * @return bool    False on failure
+     */
+    public function upsert($table, $keyColumn, $valueColumn, array $dictionary)
+    {
+        try {
+
+            $sql = sprintf(
+                'REPLACE INTO %s (%s, %s) VALUES %s',
+                $this->escape($table),
+                $this->escape($keyColumn),
+                $this->escape($valueColumn),
+                implode(', ', array_fill(0, count($dictionary), '(?, ?)'))
+            );
+
+            $values = array();
+
+            foreach ($dictionary as $key => $value) {
+                $values[] = $key;
+                $values[] = $value;
+            }
+
+            $rq = $this->pdo->prepare($sql);
+            $rq->execute($values);
+
+            return true;
+        }
+        catch (PDOException $e) {
+            return false;
+        }
+    }
+}