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authorFrederic Guillot <fred@kanboard.net>2017-10-25 16:22:10 -0700
committerFrederic Guillot <fred@kanboard.net>2017-10-25 16:22:10 -0700
commit9e2b2a32fd0e967ad3184e9a5d091a29953acb91 (patch)
tree00822e24aa1110c73ca455a8d096ef296c008cbc /vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php
parentc507c5416251c505cb3e088a03c6664bed73c812 (diff)
Include composer dependencies in repo
Diffstat (limited to 'vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php')
-rw-r--r--vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php252
1 files changed, 252 insertions, 0 deletions
diff --git a/vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php b/vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php
new file mode 100644
index 00000000..4f3ca64e
--- /dev/null
+++ b/vendor/fguillot/picodb/lib/PicoDb/Driver/Mysql.php
@@ -0,0 +1,252 @@
+<?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'];
+ }
+
+ 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;
+ }
+ }
+}