OpenSQLManager/sys/databases/firebird.php

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<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
class Firebird extends DB_PDO {
protected $statement, $trans, $result;
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/**
* Constructor
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*/
public function __construct($dbpath, $user, $pass)
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{
parent::__construct("firebird:{$dbpath}", $user, $pass);
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}
// --------------------------------------------------------------------------
/**
* Empty a database table
*
* @param string $table
*/
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public function truncate($table)
{
// Firebird lacka a truncate command
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$sql = 'DELETE FROM "'.$table.'"';
$this->query($sql);
}
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// --------------------------------------------------------------------------
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/**
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* List tables for the current database
*
* @return array
*/
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public function get_tables()
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{
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$sql = <<<SQL
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SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS"
WHERE "RDB\$RELATION_NAME" NOT LIKE 'RDB$%'
AND "RDB\$RELATION_NAME" NOT LIKE 'MON$%'
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SQL;
$this->statement = $this->query($sql);
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$tables = array();
while($row = $this->fetch(PDO::FETCH_ASSOC))
{
$tables[] = $row['RDB$RELATION_NAME'];
}
return $tables;
}
// --------------------------------------------------------------------------
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/**
* List system tables for the current database
*
* @return array
*/
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public function get_system_tables()
{
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$sql = <<<SQL
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SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS"
WHERE "RDB\$RELATION_NAME" LIKE 'RDB$%'
OR "RDB\$RELATION_NAME" LIKE 'MON$%';
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SQL;
$this->statement = $this->query($sql);
$tables = array();
while($row = $this->fetch(PDO::FETCH_ASSOC))
{
$tables[] = $row['RDB$RELATION_NAME'];
}
return $tables;
}
// --------------------------------------------------------------------------
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/**
* Return the number of rows returned for a SELECT query
*
* @return int
*/
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public function num_rows()
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{
// @todo: Redo this similar to the codeigniter driver
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if(isset($this->result))
{
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return count($this->result);
}
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//Fetch all the rows for the result
$this->result = $this->fetchAll();
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return count($this->result);
}
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// --------------------------------------------------------------------------
/**
* Create an SQL backup file for the current database's structure
*
* @return string
*/
public function backup_structure()
{
// @todo Implement Backup function
return '';
}
// --------------------------------------------------------------------------
/**
* Create an SQL backup file for the current database's data
*
* @param array $exclude
* @param bool $system_tables
* @return string
*/
public function backup_data($exclude=array(), $system_tables=FALSE)
{
// Determine which tables to use
if($system_tables == TRUE)
{
$tables = array_merge($this->get_system_tables(), $this->get_tables());
}
else
{
$tables = $this->get_tables();
}
// Filter out the tables you don't want
if( ! empty($exclude))
{
$tables = array_diff($tables, $exclude);
}
$output_sql = '';
// Get the data for each object
foreach($tables as $t)
{
$sql = 'SELECT * FROM "'.trim($t).'"';
$res = $this->query($sql);
$obj_res = $this->fetchAll(PDO::FETCH_ASSOC);
unset($res);
// Nab the column names by getting the keys of the first row
$columns = @array_keys($obj_res[0]);
$insert_rows = array();
// Create the insert statements
foreach($obj_res as $row)
{
$row = array_values($row);
// Quote values as needed by type
if(stripos($t, 'RDB$') === FALSE)
{
$row = array_map(array(&$this, 'quote'), $row);
$row = array_map('trim', $row);
}
$row_string = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');';
unset($row);
$insert_rows[] = $row_string;
}
unset($obj_res);
$output_sql .= "\n\nSET TRANSACTION;\n".implode("\n", $insert_rows)."\nCOMMIT;";
}
return $output_sql;
}
}
// End of firebird.php