/**
* \brief Export the schema of the connected ($PG_CONN) database to a
* file in the format readable by GetSchema().
*
* @param string $filename path to the file to store the schema in.
*
* @return false=success, on error return string with error message.
**/
function exportSchema($filename = NULL)
{
global $PG_CONN;
/* set driver */
$dbDriver = $this->dbman->getDriver();
if (empty($dbDriver)) {
$this->dbman->setDriver(new Postgres($PG_CONN));
}
if (empty($filename)) {
$filename = stdout;
}
$Schema = $this->getCurrSchema();
$fout = fopen($filename, "w");
if (!$fout) {
return "Failed to write to {$filename}\n";
}
global $Name;
fwrite($fout, "<?php\n");
fwrite($fout, "/* This file is generated by " . $Name . " */\n");
fwrite($fout, "/* Do not manually edit this file */\n\n");
fwrite($fout, ' $Schema=array();' . "\n\n");
foreach ($Schema as $K1 => $V1) {
$this->writeArrayEntries($fout, $K1, $V1, ' $Schema');
}
fclose($fout);
return false;
}