290 lines
9.5 KiB
PHP
290 lines
9.5 KiB
PHP
<?php
|
|
/* vim: set expandtab sw=4 ts=4 sts=4: */
|
|
/**
|
|
* SQL import plugin for phpMyAdmin
|
|
*
|
|
* @version $Id$
|
|
*/
|
|
if (! defined('PHPMYADMIN')) {
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
if (isset($plugin_list)) {
|
|
$plugin_list['sql'] = array(
|
|
'text' => 'strSQL',
|
|
'extension' => 'sql',
|
|
'options_text' => 'strOptions',
|
|
);
|
|
$compats = PMA_DBI_getCompatibilities();
|
|
if (count($compats) > 0) {
|
|
$values = array();
|
|
foreach($compats as $val) {
|
|
$values[$val] = $val;
|
|
}
|
|
$plugin_list['sql']['options'] = array(
|
|
array('type' => 'select', 'name' => 'compatibility', 'text' => 'strSQLCompatibility', 'values' => $values, 'doc' => array('manual_MySQL_Database_Administration', 'Server_SQL_mode'))
|
|
);
|
|
}
|
|
|
|
/* We do not define function when plugin is just queried for information above */
|
|
return;
|
|
}
|
|
|
|
$buffer = '';
|
|
// Defaults for parser
|
|
$sql = '';
|
|
$start_pos = 0;
|
|
$i = 0;
|
|
$len= 0;
|
|
if (isset($_POST['sql_delimiter'])) {
|
|
$sql_delimiter = $_POST['sql_delimiter'];
|
|
} else {
|
|
$sql_delimiter = ';';
|
|
}
|
|
|
|
// Handle compatibility option
|
|
if (isset($_REQUEST['sql_compatibility'])) {
|
|
PMA_DBI_try_query('SET SQL_MODE="' . $_REQUEST['sql_compatibility'] . '"');
|
|
}
|
|
while (!($finished && $i >= $len) && !$error && !$timeout_passed) {
|
|
$data = PMA_importGetNextChunk();
|
|
if ($data === FALSE) {
|
|
// subtract data we didn't handle yet and stop processing
|
|
$offset -= strlen($buffer);
|
|
break;
|
|
} elseif ($data === TRUE) {
|
|
// Handle rest of buffer
|
|
} else {
|
|
// Append new data to buffer
|
|
$buffer .= $data;
|
|
// free memory
|
|
unset($data);
|
|
// Do not parse string when we're not at the end and don't have ; inside
|
|
if ((strpos($buffer, $sql_delimiter, $i) === FALSE) && !$finished) {
|
|
continue;
|
|
}
|
|
}
|
|
// Current length of our buffer
|
|
$len = strlen($buffer);
|
|
// prepare an uppercase copy of buffer for PHP < 5
|
|
// outside of the loop
|
|
if (PMA_PHP_INT_VERSION < 50000) {
|
|
$buffer_upper = strtoupper($buffer);
|
|
}
|
|
// Grab some SQL queries out of it
|
|
while ($i < $len) {
|
|
$found_delimiter = false;
|
|
// Find first interesting character, several strpos seem to be faster than simple loop in php:
|
|
//while (($i < $len) && (strpos('\'";#-/', $buffer[$i]) === FALSE)) $i++;
|
|
//if ($i == $len) break;
|
|
$oi = $i;
|
|
$big_value = 2147483647;
|
|
$first_quote = strpos($buffer, '\'', $i);
|
|
if ($first_quote === FALSE) {
|
|
$first_quote = $big_value;
|
|
}
|
|
$p2 = strpos($buffer, '"', $i);
|
|
if ($p2 === FALSE) {
|
|
$p2 = $big_value;
|
|
}
|
|
/**
|
|
* @todo it's a shortcoming to look for a delimiter that might be
|
|
* inside quotes (or even double-quotes)
|
|
*/
|
|
$first_sql_delimiter = strpos($buffer, $sql_delimiter, $i);
|
|
if ($first_sql_delimiter === FALSE) {
|
|
$first_sql_delimiter = $big_value;
|
|
} else {
|
|
$found_delimiter = true;
|
|
}
|
|
$p4 = strpos($buffer, '#', $i);
|
|
if ($p4 === FALSE) {
|
|
$p4 = $big_value;
|
|
}
|
|
$p5 = strpos($buffer, '--', $i);
|
|
if ($p5 === FALSE || $p5 >= ($len - 2) || $buffer[$p5 + 2] > ' ') {
|
|
$p5 = $big_value;
|
|
}
|
|
$p6 = strpos($buffer, '/*', $i);
|
|
if ($p6 === FALSE) {
|
|
$p6 = $big_value;
|
|
}
|
|
$p7 = strpos($buffer, '`', $i);
|
|
if ($p7 === FALSE) {
|
|
$p7 = $big_value;
|
|
}
|
|
// catch also "delimiter"
|
|
if (PMA_PHP_INT_VERSION >= 50000) {
|
|
$p8 = stripos($buffer, 'DELIMITER', $i);
|
|
} else {
|
|
$p8 = strpos($buffer_upper, 'DELIMITER', $i);
|
|
}
|
|
if ($p8 === FALSE || $p8 >= ($len - 11) || $buffer[$p8 + 9] > ' ') {
|
|
$p8 = $big_value;
|
|
}
|
|
$i = min ($first_quote, $p2, $first_sql_delimiter, $p4, $p5, $p6, $p7, $p8);
|
|
unset($first_quote, $p2, $p4, $p5, $p6, $p7, $p8);
|
|
if ($i == $big_value) {
|
|
$i = $oi;
|
|
if (!$finished) {
|
|
break;
|
|
}
|
|
// at the end there might be some whitespace...
|
|
if (trim($buffer) == '') {
|
|
$buffer = '';
|
|
$len = 0;
|
|
break;
|
|
}
|
|
// We hit end of query, go there!
|
|
$i = strlen($buffer) - 1;
|
|
}
|
|
|
|
// Grab current character
|
|
$ch = $buffer[$i];
|
|
|
|
// Quotes
|
|
if (strpos('\'"`', $ch) !== FALSE) {
|
|
$quote = $ch;
|
|
$endq = FALSE;
|
|
while (!$endq) {
|
|
// Find next quote
|
|
$pos = strpos($buffer, $quote, $i + 1);
|
|
// No quote? Too short string
|
|
if ($pos === FALSE) {
|
|
// We hit end of string => unclosed quote, but we handle it as end of query
|
|
if ($finished) {
|
|
$endq = TRUE;
|
|
$i = $len - 1;
|
|
}
|
|
$found_delimiter = false;
|
|
break;
|
|
}
|
|
// Was not the quote escaped?
|
|
$j = $pos - 1;
|
|
while ($buffer[$j] == '\\') $j--;
|
|
// Even count means it was not escaped
|
|
$endq = (((($pos - 1) - $j) % 2) == 0);
|
|
// Skip the string
|
|
$i = $pos;
|
|
|
|
if ($first_sql_delimiter < $pos) {
|
|
$found_delimiter = false;
|
|
}
|
|
}
|
|
if (!$endq) {
|
|
break;
|
|
}
|
|
$i++;
|
|
// Aren't we at the end?
|
|
if ($finished && $i == $len) {
|
|
$i--;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Not enough data to decide
|
|
if ((($i == ($len - 1) && ($ch == '-' || $ch == '/'))
|
|
|| ($i == ($len - 2) && (($ch == '-' && $buffer[$i + 1] == '-')
|
|
|| ($ch == '/' && $buffer[$i + 1] == '*')))) && !$finished) {
|
|
break;
|
|
}
|
|
|
|
// Comments
|
|
if ($ch == '#'
|
|
|| ($i < ($len - 1) && $ch == '-' && $buffer[$i + 1] == '-' && (($i < ($len - 2) && $buffer[$i + 2] <= ' ') || ($i == ($len - 1) && $finished)))
|
|
|| ($i < ($len - 1) && $ch == '/' && $buffer[$i + 1] == '*')
|
|
) {
|
|
// Copy current string to SQL
|
|
if ($start_pos != $i) {
|
|
$sql .= substr($buffer, $start_pos, $i - $start_pos);
|
|
}
|
|
// Skip the rest
|
|
$j = $i;
|
|
$i = strpos($buffer, $ch == '/' ? '*/' : "\n", $i);
|
|
// didn't we hit end of string?
|
|
if ($i === FALSE) {
|
|
if ($finished) {
|
|
$i = $len - 1;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
// Skip *
|
|
if ($ch == '/') {
|
|
// Check for MySQL conditional comments and include them as-is
|
|
if ($buffer[$j + 2] == '!') {
|
|
$comment = substr($buffer, $j + 3, $i - $j - 3);
|
|
if (preg_match('/^[0-9]{5}/', $comment, $version)) {
|
|
if ($version[0] <= PMA_MYSQL_INT_VERSION) {
|
|
$sql .= substr($comment, 5);
|
|
}
|
|
} else {
|
|
$sql .= $comment;
|
|
}
|
|
}
|
|
$i++;
|
|
}
|
|
// Skip last char
|
|
$i++;
|
|
// Next query part will start here
|
|
$start_pos = $i;
|
|
// Aren't we at the end?
|
|
if ($i == $len) {
|
|
$i--;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
// Change delimiter, if redefined, and skip it (don't send to server!)
|
|
if ((strtoupper(substr($buffer, $i, 9)) == "DELIMITER") && ($buffer[$i + 9] <= ' ') && ($i<$len-11) && (!(strpos($buffer,"\n",$i+11)===FALSE))) {
|
|
$new_line_pos = strpos($buffer, "\n", $i + 10);
|
|
$sql_delimiter = substr($buffer, $i+10, $new_line_pos - $i -10);
|
|
$i= $new_line_pos + 1;
|
|
// Next query part will start here
|
|
$start_pos = $i;
|
|
continue;
|
|
}
|
|
|
|
// End of SQL
|
|
if ($found_delimiter || ($finished && ($i == $len - 1))) {
|
|
$tmp_sql = $sql;
|
|
if ($start_pos < $len) {
|
|
$length_to_grab = $i - $start_pos;
|
|
if (!$found_delimiter) {
|
|
$length_to_grab++;
|
|
}
|
|
$tmp_sql .= substr($buffer, $start_pos, $length_to_grab);
|
|
unset($length_to_grab);
|
|
}
|
|
// Do not try to execute empty SQL
|
|
if (!preg_match('/^([\s]*;)*$/', trim($tmp_sql))) {
|
|
$sql = $tmp_sql;
|
|
PMA_importRunQuery($sql, substr($buffer, 0, $i + strlen($sql_delimiter)));
|
|
$buffer = substr($buffer, $i + strlen($sql_delimiter));
|
|
// Reset parser:
|
|
$len = strlen($buffer);
|
|
$sql = '';
|
|
$i = 0;
|
|
$start_pos = 0;
|
|
// Any chance we will get a complete query?
|
|
//if ((strpos($buffer, ';') === FALSE) && !$finished) {
|
|
if ((strpos($buffer, $sql_delimiter) === FALSE) && !$finished) {
|
|
break;
|
|
}
|
|
} else {
|
|
$i++;
|
|
$start_pos = $i;
|
|
}
|
|
}
|
|
|
|
} // End of parser loop
|
|
} // End of import loop
|
|
// Commit any possible data in buffers
|
|
PMA_importRunQuery('', substr($buffer, 0, $len));
|
|
PMA_importRunQuery();
|
|
?>
|