/**
* Loads and executes SQL queries from given file. Taken from Adminer (Apache License), modified.
*
* @author Jakub Vrána
* @author Jan Tvrdík
* @author Michael Moravec
* @author Jan Skrasek
* @license Apache License
*
* @param string $path
* @return int number of executed queries
*/
public function loadFile($path)
{
$query = @file_get_contents($path);
if ($query === FALSE) {
throw new IOException("Cannot open file '{$path}'.");
}
$delimiter = ';';
$offset = $queries = 0;
$space = "(?:\\s|/\\*.*\\*/|(?:#|-- )[^\\n]*\\n|--\\n)";
if ($this instanceof PgSqlDriver) {
$parse = '[\'"]|/\\*|-- |$|\\$[^$]*\\$';
} else {
$parse = '[\'"`#]|/\\*|-- |$';
}
while ($query != '') {
if (!$offset && preg_match("~^{$space}*DELIMITER\\s+(\\S+)~i", $query, $match)) {
$delimiter = $match[1];
$query = substr($query, strlen($match[0]));
} else {
preg_match('(' . preg_quote($delimiter) . "\\s*|{$parse})", $query, $match, PREG_OFFSET_CAPTURE, $offset);
// should always match
$found = $match[0][0];
$offset = $match[0][1] + strlen($found);
if (!$found && rtrim($query) === '') {
break;
}
if (!$found || rtrim($found) == $delimiter) {
// end of a query
$q = substr($query, 0, $match[0][1]);
$queries++;
$this->dbal->exec($q);
$query = substr($query, $offset);
$offset = 0;
} else {
// find matching quote or comment end
while (preg_match('(' . ($found == '/*' ? '\\*/' : ($found == '[' ? ']' : (preg_match('~^-- |^#~', $found) ? "\n" : preg_quote($found) . "|\\\\."))) . '|$)s', $query, $match, PREG_OFFSET_CAPTURE, $offset)) {
//! respect sql_mode NO_BACKSLASH_ESCAPES
$s = $match[0][0];
$offset = $match[0][1] + strlen($s);
if ($s[0] !== '\\') {
break;
}
}
}
}
}
return $queries;
}
/**
* Loads and executes SQL queries from given file. Taken from Adminer (Apache License), modified.
*
* @author Jakub Vrána
* @author Jan Tvrdík
* @author Michael Moravec
* @author Jan Skrasek
* @license Apache License
*
* @param string $path
* @return int number of executed queries
*/
public function loadFile($path)
{
$content = @file_get_contents($path);
if ($content === FALSE) {
throw new IOException("Cannot open file '{$path}'.");
}
$queryOffset = 0;
$parseOffset = 0;
$queries = 0;
$space = "(?:\\s|/\\*.*\\*/|(?:#|-- )[^\\n]*\\n|--\\n)";
$delimiter = ';';
$delimiterRe = "~^{$space}*DELIMITER\\s+(\\S+)~i";
$openRe = $this instanceof PgSqlDriver ? '[\'"]|/\\*|-- |\\z|\\$[^$]*\\$' : '[\'"`#]|/\\*|-- |\\z';
$parseRe = "(;|{$openRe})";
$endReTable = ['\'' => '(\'|\\\\.|\\z)s', '"' => '("|\\\\.|\\z)s', '/*' => '(\\*/|\\z)', '[' => '(]|\\z)'];
while (TRUE) {
if (preg_match($delimiterRe, $content, $match, 0, $queryOffset)) {
$delimiter = $match[1];
$queryOffset += strlen($match[0]);
$parseOffset += strlen($match[0]);
$parseRe = '(' . preg_quote($delimiter) . "|{$openRe})";
}
while (TRUE) {
preg_match($parseRe, $content, $match, PREG_OFFSET_CAPTURE, $parseOffset);
// should always match
$found = $match[0][0];
$parseOffset = $match[0][1] + strlen($found);
if ($found === $delimiter) {
// delimited query
$queryLength = $match[0][1] - $queryOffset;
break;
} elseif ($found) {
// find matching quote or comment end
$endRe = isset($endReTable[$found]) ? $endReTable[$found] : '(' . (preg_match('~^-- |^#~', $found) ? "\n" : preg_quote($found) . "|\\\\.") . '|\\z)s';
while (preg_match($endRe, $content, $match, PREG_OFFSET_CAPTURE, $parseOffset)) {
//! respect sql_mode NO_BACKSLASH_ESCAPES
$s = $match[0][0];
$parseOffset = $match[0][1] + strlen($s);
if ($s[0] !== '\\') {
continue 2;
}
}
} else {
// last query or EOF
if (rtrim(substr($content, $queryOffset)) === '') {
break 2;
} else {
$queryLength = $match[0][1] - $queryOffset;
break;
}
}
}
$q = substr($content, $queryOffset, $queryLength);
$queries++;
$this->dbal->exec($q);
$queryOffset = $parseOffset;
}
return $queries;
}
public function escapeIdentifier($value)
{
return $this->innerAdapter->escapeIdentifier($value);
}