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While building dumps, data are no long bufferized by the script if the user wants it to be displayed on screen or saved as a text file. This may be helpfull for bug #448223 - Dump hangs

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Loïc Chapeaux
2001-12-15 16:38:46 +00:00
parent cb3fc1be93
commit b0cdfeaf2f
3 changed files with 65 additions and 32 deletions
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60
libraries/build_dump.lib.php3
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@@ -161,6 +161,8 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
*
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
*
* @access private
*
@@ -171,11 +173,14 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
function PMA_getTableContentFast($db, $table, $add_query = '', $handler, $error_url)
{
global $use_backquotes;
global $rows_cnt;
global $current_row;
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
if ($result != FALSE) {
$fields_cnt = mysql_num_fields($result);
$rows_cnt = mysql_num_rows($result);
// Checks whether the field is an integer or not
for ($j = 0; $j < $fields_cnt; $j++) {
@@ -201,11 +206,12 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
$search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
$replace = array('\0', '\n', '\r', '\Z');
$is_first_row = TRUE;
$current_row = 0;
@set_time_limit($GLOBALS['cfgExecTimeLimit']);
while ($row = mysql_fetch_row($result)) {
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) {
if (!isset($row[$j])) {
$values[] = 'NULL';
@@ -225,30 +231,28 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
// Extended inserts case
if (isset($GLOBALS['extended_ins'])) {
if ($is_first_row) {
if ($current_row == 1) {
$insert_line = $schema_insert . implode(', ', $values) . ')';
$is_first_row = FALSE;
} else {
$insert_line = '(' . implode(', ', $values) . ')';
$insert_line = '(' . implode(', ', $values) . ')';
}
}
// Other inserts case
else {
$insert_line = $schema_insert . implode(', ', $values) . ')';
$insert_line = $schema_insert . implode(', ', $values) . ')';
}
unset($values);
// Call the handler
$handler($insert_line);
// loic1: send a fake header to bypass browser timeout
header('Expires: 0');
// loic1: send a fake header to bypass browser timeout if data
// are bufferized
if (!empty($GLOBALS['ob_mode'])
|| (isset($GLOBALS['zip']) || isset($GLOBALS['bzip']) || isset($GLOBALS['gzip']))) {
header('Expires: 0');
}
} // end while
// Replace last comma by a semi-column in extended inserts case
if (isset($GLOBALS['extended_ins'])) {
$GLOBALS['tmp_buffer'] = ereg_replace(',([^,]*)$', ';\\1', $GLOBALS['tmp_buffer']);
}
} // end if ($result != FALSE)
mysql_free_result($result);
@@ -276,6 +280,8 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
*
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
*
* @access private
*
@@ -284,16 +290,19 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
function PMA_getTableContentOld($db, $table, $add_query = '', $handler, $error_url)
{
global $use_backquotes;
global $rows_cnt;
global $current_row;
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
$i = 0;
$is_first_row = TRUE;
$current_row = 0;
$fields_cnt = mysql_num_fields($result);
$rows_cnt = mysql_num_rows($result);
@set_time_limit($GLOBALS['cfgExecTimeLimit']); // HaRa
while ($row = mysql_fetch_row($result)) {
$current_row++;
$table_list = '(';
for ($j = 0; $j < $fields_cnt; $j++) {
$table_list .= PMA_backquote(mysql_field_name($result, $j), $use_backquotes) . ', ';
@@ -301,7 +310,7 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
$table_list = substr($table_list, 0, -2);
$table_list .= ')';
if (isset($GLOBALS['extended_ins']) && !$is_first_row) {
if (isset($GLOBALS['extended_ins']) && $current_row > 1) {
$schema_insert = '(';
} else {
if (isset($GLOBALS['showcolumns'])) {
@@ -350,18 +359,16 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
$schema_insert = ereg_replace(', $', '', $schema_insert);
$schema_insert .= ')';
$handler(trim($schema_insert));
++$i;
// loic1: send a fake header to bypass browser timeout
header('Expires: 0');
// loic1: send a fake header to bypass browser timeout if data are
// bufferized
if (!empty($GLOBALS['ob_mode'])
&& (isset($GLOBALS['zip']) || isset($GLOBALS['bzip']) || isset($GLOBALS['gzip']))) {
header('Expires: 0');
}
} // end while
mysql_free_result($result);
// Replace last comma by a semi-column in extended inserts case
if ($i > 0 && isset($GLOBALS['extended_ins'])) {
$GLOBALS['tmp_buffer'] = ereg_replace(',([^,]*)$', ';\\1', $GLOBALS['tmp_buffer']);
}
return TRUE;
} // end of the 'PMA_getTableContentOld()' function
@@ -511,6 +518,13 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
} // end for
$handler(trim($schema_insert));
++$i;
// loic1: send a fake header to bypass browser timeout if data are
// bufferized
if (!empty($GLOBALS['ob_mode'])
&& (isset($GLOBALS['zip']) || isset($GLOBALS['bzip']) || isset($GLOBALS['gzip']))) {
header('Expires: 0');
}
} // end while
mysql_free_result($result);