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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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3
ChangeLog
View File

@@ -13,6 +13,9 @@ $Source$
* footer.inc.php3, lines 11-16: tried to fix bug #493200 - Problems with * footer.inc.php3, lines 11-16: tried to fix bug #493200 - Problems with
PHP 4.1.0. Actually the fix is to skip db connection closing if the PHP 4.1.0. Actually the fix is to skip db connection closing if the
script use persistent connections. script use persistent connections.
* tbl_dump.php3; libraries/build_dump.php3: 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.
2001-12-14 Lo<4C>c Chapeaux <lolo@phpheaven.net> 2001-12-14 Lo<4C>c Chapeaux <lolo@phpheaven.net>
* user_details.php3: check/uncheck all links weren't working with js * user_details.php3: check/uncheck all links weren't working with js

52
libraries/build_dump.lib.php3
View File

@@ -161,6 +161,8 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
* *
* @global boolean whether to use backquotes to allow the use of special * @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not * characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
* *
* @access private * @access private
* *
@@ -171,11 +173,14 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
function PMA_getTableContentFast($db, $table, $add_query = '', $handler, $error_url) function PMA_getTableContentFast($db, $table, $add_query = '', $handler, $error_url)
{ {
global $use_backquotes; global $use_backquotes;
global $rows_cnt;
global $current_row;
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query; $local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url); $result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
if ($result != FALSE) { if ($result != FALSE) {
$fields_cnt = mysql_num_fields($result); $fields_cnt = mysql_num_fields($result);
$rows_cnt = mysql_num_rows($result);
// Checks whether the field is an integer or not // Checks whether the field is an integer or not
for ($j = 0; $j < $fields_cnt; $j++) { for ($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 $search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
$replace = array('\0', '\n', '\r', '\Z'); $replace = array('\0', '\n', '\r', '\Z');
$is_first_row = TRUE; $current_row = 0;
@set_time_limit($GLOBALS['cfgExecTimeLimit']); @set_time_limit($GLOBALS['cfgExecTimeLimit']);
while ($row = mysql_fetch_row($result)) { while ($row = mysql_fetch_row($result)) {
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) { for ($j = 0; $j < $fields_cnt; $j++) {
if (!isset($row[$j])) { if (!isset($row[$j])) {
$values[] = 'NULL'; $values[] = 'NULL';
@@ -225,9 +231,8 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
// Extended inserts case // Extended inserts case
if (isset($GLOBALS['extended_ins'])) { if (isset($GLOBALS['extended_ins'])) {
if ($is_first_row) { if ($current_row == 1) {
$insert_line = $schema_insert . implode(', ', $values) . ')'; $insert_line = $schema_insert . implode(', ', $values) . ')';
$is_first_row = FALSE;
} else { } else {
$insert_line = '(' . implode(', ', $values) . ')'; $insert_line = '(' . implode(', ', $values) . ')';
} }
@@ -241,14 +246,13 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
// Call the handler // Call the handler
$handler($insert_line); $handler($insert_line);
// loic1: send a fake header to bypass browser timeout // 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'); 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', $GLOBALS['tmp_buffer']);
} }
} // end while
} // end if ($result != FALSE) } // end if ($result != FALSE)
mysql_free_result($result); mysql_free_result($result);
@@ -276,6 +280,8 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
* *
* @global boolean whether to use backquotes to allow the use of special * @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not * characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
* *
* @access private * @access private
* *
@@ -284,16 +290,19 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
function PMA_getTableContentOld($db, $table, $add_query = '', $handler, $error_url) function PMA_getTableContentOld($db, $table, $add_query = '', $handler, $error_url)
{ {
global $use_backquotes; global $use_backquotes;
global $rows_cnt;
global $current_row;
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query; $local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url); $result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
$i = 0; $current_row = 0;
$is_first_row = TRUE;
$fields_cnt = mysql_num_fields($result); $fields_cnt = mysql_num_fields($result);
$rows_cnt = mysql_num_rows($result);
@set_time_limit($GLOBALS['cfgExecTimeLimit']); // HaRa @set_time_limit($GLOBALS['cfgExecTimeLimit']); // HaRa
while ($row = mysql_fetch_row($result)) { while ($row = mysql_fetch_row($result)) {
$current_row++;
$table_list = '('; $table_list = '(';
for ($j = 0; $j < $fields_cnt; $j++) { for ($j = 0; $j < $fields_cnt; $j++) {
$table_list .= PMA_backquote(mysql_field_name($result, $j), $use_backquotes) . ', '; $table_list .= PMA_backquote(mysql_field_name($result, $j), $use_backquotes) . ', ';
@@ -301,7 +310,7 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
$table_list = substr($table_list, 0, -2); $table_list = substr($table_list, 0, -2);
$table_list .= ')'; $table_list .= ')';
if (isset($GLOBALS['extended_ins']) && !$is_first_row) { if (isset($GLOBALS['extended_ins']) && $current_row > 1) {
$schema_insert = '('; $schema_insert = '(';
} else { } else {
if (isset($GLOBALS['showcolumns'])) { if (isset($GLOBALS['showcolumns'])) {
@@ -350,18 +359,16 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
$schema_insert = ereg_replace(', $', '', $schema_insert); $schema_insert = ereg_replace(', $', '', $schema_insert);
$schema_insert .= ')'; $schema_insert .= ')';
$handler(trim($schema_insert)); $handler(trim($schema_insert));
++$i;
// loic1: send a fake header to bypass browser timeout // loic1: send a fake header to bypass browser timeout if data are
// bufferized
if (!empty($GLOBALS['ob_mode'])
&& (isset($GLOBALS['zip']) || isset($GLOBALS['bzip']) || isset($GLOBALS['gzip']))) {
header('Expires: 0'); header('Expires: 0');
}
} // end while } // end while
mysql_free_result($result); 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; return TRUE;
} // end of the 'PMA_getTableContentOld()' function } // end of the 'PMA_getTableContentOld()' function
@@ -511,6 +518,13 @@ if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
} // end for } // end for
$handler(trim($schema_insert)); $handler(trim($schema_insert));
++$i; ++$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 } // end while
mysql_free_result($result); mysql_free_result($result);

34
tbl_dump.php3
View File

@@ -15,12 +15,18 @@ function PMA_myHandler($sql_insert)
global $tmp_buffer; global $tmp_buffer;
// Defines the end of line delimiter to use // Defines the end of line delimiter to use
$eol_dlm = (isset($GLOBALS['extended_ins'])) ? ',' : ';'; $eol_dlm = (isset($GLOBALS['extended_ins']) && ($GLOBALS['current_row'] < $GLOBALS['rows_cnt']))
// Result will be displays on screen ? ','
: ';';
// Result has to be displayed on screen
if (empty($GLOBALS['asfile'])) { if (empty($GLOBALS['asfile'])) {
$tmp_buffer .= htmlspecialchars($sql_insert . $eol_dlm . $GLOBALS['crlf']); echo htmlspecialchars($sql_insert . $eol_dlm . $GLOBALS['crlf']);
} }
// Result will be save in a file // Result has to be saved in a text file
else if (!isset($GLOBALS['zip']) && !isset($GLOBALS['bzip']) && !isset($GLOBALS['gzip'])) {
echo $sql_insert . $eol_dlm . $GLOBALS['crlf'];
}
// Result will be saved in a *zipped file
else { else {
$tmp_buffer .= $sql_insert . $eol_dlm . $GLOBALS['crlf']; $tmp_buffer .= $sql_insert . $eol_dlm . $GLOBALS['crlf'];
} }
@@ -45,11 +51,15 @@ function PMA_myCsvHandler($sql_insert)
global $add_character; global $add_character;
global $tmp_buffer; global $tmp_buffer;
// Result will be displays on screen // Result has to be displayed on screen
if (empty($GLOBALS['asfile'])) { if (empty($GLOBALS['asfile'])) {
$tmp_buffer .= htmlspecialchars($sql_insert) . $add_character; echo htmlspecialchars($sql_insert) . $add_character;
} }
// Result will be save in a file // Result has to be saved in a text file
else if (!isset($GLOBALS['zip']) && !isset($GLOBALS['bzip']) && !isset($GLOBALS['gzip'])) {
echo $sql_insert . $add_character;
}
// Result will be saved in a *zipped file
else { else {
$tmp_buffer .= $sql_insert . $add_character; $tmp_buffer .= $sql_insert . $add_character;
} }
@@ -223,6 +233,11 @@ else {
if (!isset($limit_from) || !isset($limit_to)) { if (!isset($limit_from) || !isset($limit_to)) {
$limit_from = $limit_to = 0; $limit_from = $limit_to = 0;
} }
// loic1: display data if they aren't bufferized
if (!isset($zip) && !isset($bzip) && !isset($gzip)) {
echo $dump_buffer;
$dump_buffer = '';
}
PMA_getTableContent($db, $table, $limit_from, $limit_to, 'PMA_myHandler', $err_url); PMA_getTableContent($db, $table, $limit_from, $limit_to, 'PMA_myHandler', $err_url);
$dump_buffer .= $tmp_buffer; $dump_buffer .= $tmp_buffer;
} // end if } // end if
@@ -230,7 +245,8 @@ else {
} // end if-else } // end if-else
} // end while } // end while
// Don't remove, it makes easier to select & copy frombrowser - staybyte // staybyte: don't remove, it makes easier to select & copy from
// browser
$dump_buffer .= $crlf; $dump_buffer .= $crlf;
} // end 'no csv' case } // end 'no csv' case
@@ -286,7 +302,7 @@ else if (isset($gzip) && $gzip == 'gzip') {
echo gzencode($dump_buffer); echo gzencode($dump_buffer);
} }
} }
// 4. on screen // 4. on screen or as a text file
else { else {
echo $dump_buffer; echo $dump_buffer;
} }