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-rw-r--r--program/include/rcube_db.php85
1 files changed, 40 insertions, 45 deletions
diff --git a/program/include/rcube_db.php b/program/include/rcube_db.php
index ce381bb44..feb16b2ac 100644
--- a/program/include/rcube_db.php
+++ b/program/include/rcube_db.php
@@ -83,13 +83,12 @@ class rcube_db
return new $class($db_dsnw, $db_dsnr, $pconn);
}
-
/**
* Object constructor
*
- * @param string $db_dsnw DSN for read/write operations
- * @param string $db_dsnr Optional DSN for read only operations
- * @param bool $pconn Enables persistent connections
+ * @param string $db_dsnw DSN for read/write operations
+ * @param string $db_dsnr Optional DSN for read only operations
+ * @param bool $pconn Enables persistent connections
*/
public function __construct($db_dsnw, $db_dsnr = '', $pconn = false)
{
@@ -108,7 +107,9 @@ class rcube_db
$this->init();
}
-
+ /**
+ * Initialization of the object with driver specific code
+ */
protected function init()
{
// To be used by driver classes
@@ -159,15 +160,34 @@ class rcube_db
return $dbh;
}
-
+ /**
+ * Driver-specific preparation of database connection
+ *
+ * @param array $dsn DSN for DB connections
+ */
protected function conn_prepare($dsn)
{
}
+ /**
+ * Driver-specific configuration of database connection
+ *
+ * @param array $dsn DSN for DB connections
+ * @param PDO $dbh Connection handler
+ */
protected function conn_configure($dsn, $dbh)
{
}
+ /**
+ * Driver-specific database character set setting
+ *
+ * @param string $charset Character set name
+ */
+ protected function set_charset($charset)
+ {
+ $this->query("SET NAMES 'utf8'");
+ }
/**
* Connect to appropiate database depending on the operation
@@ -215,7 +235,6 @@ class rcube_db
}
}
-
/**
* Activate/deactivate debug mode
*
@@ -226,13 +245,6 @@ class rcube_db
$this->options['debug_mode'] = $dbg;
}
-
- protected function set_charset($charset)
- {
- $this->query("SET NAMES 'utf8'");
- }
-
-
/**
* Getter for error state
*
@@ -243,7 +255,6 @@ class rcube_db
return $this->db_error ? $this->db_error_msg : false;
}
-
/**
* Connection state checker
*
@@ -254,7 +265,6 @@ class rcube_db
return !is_object($this->dbh) ? false : $this->db_connected;
}
-
/**
* Is database replication configured?
* This returns true if dsnw != dsnr
@@ -264,7 +274,6 @@ class rcube_db
return !empty($this->db_dsnr) && $this->db_dsnw != $this->db_dsnr;
}
-
/**
* Execute a SQL query
*
@@ -286,7 +295,6 @@ class rcube_db
return $this->_query($query, 0, 0, $params);
}
-
/**
* Execute a SQL query with limits
*
@@ -307,7 +315,6 @@ class rcube_db
return $this->_query($query, $offset, $numrows, $params);
}
-
/**
* Execute a SQL query with limits
*
@@ -369,7 +376,6 @@ class rcube_db
return $this->_add_result($query);
}
-
/**
* Get number of affected rows for the last query
*
@@ -385,7 +391,6 @@ class rcube_db
return 0;
}
-
/**
* Get last inserted record ID
* For Postgres databases, a sequence name is required
@@ -410,7 +415,6 @@ class rcube_db
return $id;
}
-
/**
* Get an associative array for one row
* If no query handle is specified, the last query will be taken as reference
@@ -425,7 +429,6 @@ class rcube_db
return $this->_fetch_row($result, PDO::FETCH_ASSOC);
}
-
/**
* Get an index array for one row
* If no query handle is specified, the last query will be taken as reference
@@ -440,7 +443,6 @@ class rcube_db
return $this->_fetch_row($result, PDO::FETCH_NUM);
}
-
/**
* Get col values for a result row
*
@@ -458,7 +460,6 @@ class rcube_db
return $result->fetch($mode);
}
-
/**
* Adds LIMIT,OFFSET clauses to the query
*
@@ -476,7 +477,6 @@ class rcube_db
return $query;
}
-
/**
* Returns list of tables in a database
*
@@ -499,7 +499,6 @@ class rcube_db
return $this->tables;
}
-
/**
* Returns list of columns in database table
*
@@ -519,7 +518,6 @@ class rcube_db
return array();
}
-
/**
* Formats input so it can be safely used in a query
*
@@ -552,7 +550,6 @@ class rcube_db
return 'NULL';
}
-
/**
* Quotes a string so it can be safely used as a table or column name
*
@@ -567,7 +564,6 @@ class rcube_db
return $this->quote_identifier($str);
}
-
/**
* Quotes a string so it can be safely used as a table or column name
*
@@ -589,7 +585,6 @@ class rcube_db
return implode($name, '.');
}
-
/**
* Return SQL function for current time and date
*
@@ -600,7 +595,6 @@ class rcube_db
return "now()";
}
-
/**
* Return list of elements for use with SQL's IN clause
*
@@ -622,7 +616,6 @@ class rcube_db
return implode(',', $arr);
}
-
/**
* Return SQL statement to convert a field value into a unix timestamp
*
@@ -639,7 +632,6 @@ class rcube_db
return "UNIX_TIMESTAMP($field)";
}
-
/**
* Return SQL statement to convert from a unix timestamp
*
@@ -652,7 +644,6 @@ class rcube_db
return date("'Y-m-d H:i:s'", $timestamp);
}
-
/**
* Return SQL statement for case insensitive LIKE
*
@@ -666,7 +657,6 @@ class rcube_db
return $this->quote_identifier($column).' LIKE '.$this->quote($value);
}
-
/**
* Abstract SQL statement for value concatenation
*
@@ -682,7 +672,6 @@ class rcube_db
return '(' . join(' || ', $args) . ')';
}
-
/**
* Encodes non-UTF-8 characters in string/array/object (recursive)
*
@@ -708,7 +697,6 @@ class rcube_db
return utf8_encode($input);
}
-
/**
* Decodes encoded UTF-8 string/object/array (recursive)
*
@@ -734,7 +722,6 @@ class rcube_db
return utf8_decode($input);
}
-
/**
* Adds a query result and returns a handle ID
*
@@ -751,7 +738,6 @@ class rcube_db
return $res_id;
}
-
/**
* Resolves a given handle ID and returns the according query handle
* If no ID is specified, the last resource handle will be returned
@@ -773,7 +759,6 @@ class rcube_db
return false;
}
-
/**
* Return correct name for a specific database table
*
@@ -795,7 +780,6 @@ class rcube_db
return $table;
}
-
/**
* Return correct name for a specific database sequence
* (used for Postgres only)
@@ -818,9 +802,12 @@ class rcube_db
return $sequence;
}
-
/**
* MDB2 DSN string parser
+ *
+ * @param string $sequence Secuence name
+ *
+ * @return array DSN parameters
*/
public static function parse_dsn($dsn)
{
@@ -939,7 +926,11 @@ class rcube_db
}
/**
- * Returns PDO DSN string from DSN array (parse_dsn() result)
+ * Returns PDO DSN string from DSN array
+ *
+ * @param array $dsn DSN parameters
+ *
+ * @return string DSN string
*/
protected function dsn_string($dsn)
{
@@ -966,7 +957,11 @@ class rcube_db
}
/**
- * Returns PDO driver options array from DSN array (parse_dsn() result)
+ * Returns driver-specific connection options
+ *
+ * @param array $dsn DSN parameters
+ *
+ * @return array Connection options
*/
protected function dsn_options($dsn)
{