<?php
#Application name: PhpCollab
#Status page: 0
/* $Id: build_dump.lib.php,v 1.1 2003/07/02 14:47:06 fullo Exp $ */
/**
* Set of functions used to build dumps of tables
*/
if (!defined('PMA_BUILD_DUMP_LIB_INCLUDED')){
define('PMA_BUILD_DUMP_LIB_INCLUDED', 1);
/**
* Uses the 'htmlspecialchars()' php function on databases, tables and fields
* name if the dump has to be displayed on screen.
*
* @param string the string to format
*
* @return string the formatted string
*
* @access private
*/
function PMA_htmlFormat($a_string = '')
{
return (empty($GLOBALS['asfile']) ? htmlspecialchars($a_string) : $a_string);
} // end of the 'PMA_htmlFormat()' function
/**
* Returns $table's CREATE definition
*
* Uses the 'PMA_htmlFormat()' function defined in 'tbl_dump.php'
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
*
* @return string the CREATE statement on success
*
* @global boolean whether to add 'drop' statements or not
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
*
* @see PMA_htmlFormat()
*
* @access public
*/
function PMA_getTableDef($db, $table, $crlf, $error_url)
{
global $drop;
global $use_backquotes;
$schema_create = '';
if (!empty($drop)) {
$schema_create .= 'DROP TABLE IF EXISTS ' . PMA_backquote(PMA_htmlFormat($table), $use_backquotes) . ';' . $crlf;
}
// Steve Alberty's patch for complete table dump,
// modified by Lem9 to allow older MySQL versions to continue to work
if (PMA_MYSQL_INT_VERSION >= 32321) {
// Whether to quote table and fields names or not
if ($use_backquotes) {
mysql_query('SET SQL_QUOTE_SHOW_CREATE = 1');
} else {
mysql_query('SET SQL_QUOTE_SHOW_CREATE = 0');
}
$result = mysql_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table));
if ($result != FALSE && mysql_num_rows($result) > 0) {
$tmpres = mysql_fetch_array($result);
$schema_create .= str_replace("\n", $crlf, PMA_htmlFormat($tmpres[1]));
}
mysql_free_result($result);
return $schema_create;
} // end if MySQL >= 3.23.20
// For MySQL < 3.23.20
$schema_create .= 'CREATE TABLE ' . PMA_htmlFormat(PMA_backquote($table), $use_backquotes) . ' (' . $crlf;
$local_query = 'SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
while ($row = mysql_fetch_array($result)) {
$schema_create .= ' ' . PMA_htmlFormat(PMA_backquote($row['Field'], $use_backquotes)) . ' ' . $row['Type'];
if (isset($row['Default']) && $row['Default'] != '') {
$schema_create .= ' DEFAULT \'' . PMA_htmlFormat(PMA_sqlAddslashes($row['Default'])) . '\'';
}
if ($row['Null'] != 'YES') {
$schema_create .= ' NOT NULL';
}
if ($row['Extra'] != '') {
$schema_create .= ' ' . $row['Extra'];
}
$schema_create .= ',' . $crlf;
} // end while
mysql_free_result($result);
$schema_create = ereg_replace(',' . $crlf . '$', '', $schema_create);
$local_query = 'SHOW KEYS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
while ($row = mysql_fetch_array($result))
{
$kname = $row['Key_name'];
$comment = (isset($row['Comment'])) ? $row['Comment'] : '';
$sub_part = (isset($row['Sub_part'])) ? $row['Sub_part'] : '';
if ($kname != 'PRIMARY' && $row['Non_unique'] == 0) {
$kname = "UNIQUE|$kname";
}
if ($comment == 'FULLTEXT') {
$kname = 'FULLTEXT|$kname';
}
if (!isset($index[$kname])) {
$index[$kname] = array();
}
if ($sub_part > 1) {
$index[$kname][] = PMA_htmlFormat(PMA_backquote($row['Column_name'], $use_backquotes)) . '(' . $sub_part . ')';
} else {
$index[$kname][] = PMA_htmlFormat(PMA_backquote($row['Column_name'], $use_backquotes));
}
} // end while
mysql_free_result($result);
while (list($x, $columns) = @each($index)) {
$schema_create .= ',' . $crlf;
if ($x == 'PRIMARY') {
$schema_create .= ' PRIMARY KEY (';
} else if (substr($x, 0, 6) == 'UNIQUE') {
$schema_create .= ' UNIQUE ' . substr($x, 7) . ' (';
} else if (substr($x, 0, 8) == 'FULLTEXT') {
$schema_create .= ' FULLTEXT ' . substr($x, 9) . ' (';
} else {
$schema_create .= ' KEY ' . $x . ' (';
}
$schema_create .= implode($columns, ', ') . ')';
} // end while
$schema_create .= $crlf . ')';
return $schema_create;
} // end of the 'PMA_getTableDef()' function
/**
* php >= 4.0.5 only : get the content of $table as a series of INSERT
* statements.
* After every row, a custom callback function $handler gets called.
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*
* @param string the current database name
* @param string the current table name
* @param string the 'limit' clause to use with the sql query
* @param string the name of the handler (function) to use at the end
* of every row. This handler must accept one parameter
* ($sql_insert)
* @param string the url to go back in case of error
*
* @return boolean always true
*
* @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
*
* @see PMA_getTableContent()
*
* @author staybyte
*/
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++) {
$field_set[$j] = PMA_backquote(mysql_field_name($result, $j), $use_backquotes);
$type = mysql_field_type($result, $j);
if ($type == 'tinyint' || $type == 'smallint' || $type == 'mediumint' || $type == 'int' ||
$type == 'bigint' ||$type == 'timestamp') {
$field_num[$j] = TRUE;
} else {
$field_num[$j] = FALSE;
}
} // end for
// Sets the scheme
if (isset($GLOBALS['showcolumns'])) {
$fields = implode(', ', $field_set);
$schema_insert = 'INSERT INTO ' . PMA_backquote(PMA_htmlFormat($table), $use_backquotes)
. ' (' . PMA_htmlFormat($fields) . ') VALUES (';
} else {
$schema_insert = 'INSERT INTO ' . PMA_backquote(PMA_htmlFormat($table), $use_backquotes)
. ' VALUES (';
}
$search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
$replace = array('\0', '\n', '\r', '\Z');
$current_row = 0;
@set_time_limit($GLOBALS['cfgExecTimeLimit']);
while ($row = mysql_fetch_row($result)) {
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) {
if (!isset($row[$j])) {
$values[] = 'NULL';
} else if ($row[$j] == '0' || $row[$j] != '') {
// a number
if ($field_num[$j]) {
$values[] = $row[$j];
}
// a string
else {
$values[] = "'" . str_replace($search, $replace, PMA_sqlAddslashes($row[$j])) . "'";
}
} else {
$values[] = "''";
} // end if
} // end for
// Extended inserts case
if (isset($GLOBALS['extended_ins'])) {
if ($current_row == 1) {
$insert_line = $schema_insert . implode(', ', $values) . ')';
} else {
$insert_line = '(' . implode(', ', $values) . ')';
}
}
// Other inserts case
else {
$insert_line = $schema_insert . implode(', ', $values) . ')';
}
unset($values);
// Call the handler
$handler($insert_line);
// 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 if ($result != FALSE)
mysql_free_result($result);
return TRUE;
} // end of the 'PMA_getTableContentFast()' function
/**
* php < 4.0.5 only: get the content of $table as a series of INSERT
* statements.
* After every row, a custom callback function $handler gets called.
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*
* @param string the current database name
* @param string the current table name
* @param string the 'limit' clause to use with the sql query
* @param string the name of the handler (function) to use at the end
* of every row. This handler must accept one parameter
* ($sql_insert)
* @param string the url to go back in case of error
*
* @return boolean always true
*
* @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
*
* @see PMA_getTableContent()
*/
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);
$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) . ', ';
}
$table_list = substr($table_list, 0, -2);
$table_list .= ')';
if (isset($GLOBALS['extended_ins']) && $current_row > 1) {
$schema_insert = '(';
} else {
if (isset($GLOBALS['showcolumns'])) {
$schema_insert = 'INSERT INTO ' . PMA_backquote(PMA_htmlFormat($table), $use_backquotes)
. ' ' . PMA_htmlFormat($table_list) . ' VALUES (';
} else {
$schema_insert = 'INSERT INTO ' . PMA_backquote(PMA_htmlFormat($table), $use_backquotes)
. ' VALUES (';
}
$is_first_row = FALSE;
}
for ($j = 0; $j < $fields_cnt; $j++) {
if (!isset($row[$j])) {
$schema_insert .= ' NULL, ';
} else if ($row[$j] == '0' || $row[$j] != '') {
$type = mysql_field_type($result, $j);
// a number
if ($type == 'tinyint' || $type == 'smallint' || $type == 'mediumint' || $type == 'int' ||
$type == 'bigint' ||$type == 'timestamp') {
$schema_insert .= $row[$j] . ', ';
}
// a string
else {
$dummy = '';
$srcstr = $row[$j];
for ($xx = 0; $xx < strlen($srcstr); $xx++) {
$yy = strlen($dummy);
if ($srcstr[$xx] == '\\') $dummy .= '\\\\';
if ($srcstr[$xx] == '\'') $dummy .= '\\\'';
// if ($srcstr[$xx] == '"') $dummy .= '\\"';
if ($srcstr[$xx] == "\x00") $dummy .= '\0';
if ($srcstr[$xx] == "\x0a") $dummy .= '\n';
if ($srcstr[$xx] == "\x0d") $dummy .= '\r';
// if ($srcstr[$xx] == "\x08") $dummy .= '\b';
// if ($srcstr[$xx] == "\t") $dummy .= '\t';
if ($srcstr[$xx] == "\x1a") $dummy .= '\Z';
if (strlen($dummy) == $yy) $dummy .= $srcstr[$xx];
}
$schema_insert .= "'" . $dummy . "', ";
}
} else {
$schema_insert .= "'', ";
} // end if
} // end for
$schema_insert = ereg_replace(', $', '', $schema_insert);
$schema_insert .= ')';
$handler(trim($schema_insert));
// 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($result);
return TRUE;
} // end of the 'PMA_getTableContentOld()' function
/**
* Dispatches between the versions of 'getTableContent' to use depending
* on the php version
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*
* @param string the current database name
* @param string the current table name
* @param integer the offset on this table
* @param integer the last row to get
* @param string the name of the handler (function) to use at the end
* of every row. This handler must accept one parameter
* ($sql_insert)
* @param string the url to go back in case of error
*
* @access public
*
* @see PMA_getTableContentFast(), PMA_getTableContentOld()
*
* @author staybyte
*/
function PMA_getTableContent($db, $table, $limit_from = 0, $limit_to = 0, $handler, $error_url)
{
// Defines the offsets to use
if ($limit_from > 0) {
$limit_from--;
} else {
$limit_from = 0;
}
if ($limit_to > 0 && $limit_from >= 0) {
$add_query = " LIMIT $limit_from, $limit_to";
} else {
$add_query = '';
}
// Call the working function depending on the php version
if (PMA_PHP_INT_VERSION >= 40005) {
PMA_getTableContentFast($db, $table, $add_query, $handler, $error_url);
} else {
PMA_getTableContentOld($db, $table, $add_query, $handler, $error_url);
}
} // end of the 'PMA_getTableContent()' function
/**
* Outputs the content of a table in CSV format
*
* Last revision 14 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*
* @param string the database name
* @param string the table name
* @param integer the offset on this table
* @param integer the last row to get
* @param string the field separator character
* @param string the optionnal "enclosed by" character
* @param string the handler (function) to call. It must accept one
* parameter ($sql_insert)
* @param string the url to go back in case of error
*
* @global string whether to obtain an excel compatible csv format or a
* simple csv one
*
* @return boolean always true
*
* @access public
*/
function PMA_getTableCsv($db, $table, $limit_from = 0, $limit_to = 0, $sep, $enc_by, $esc_by, $handler, $error_url)
{
global $what;
// Handles the "separator" and the optionnal "enclosed by" characters
if ($what == 'excel') {
$sep = ',';
} else if (!isset($sep)) {
$sep = '';
} else {
if (get_magic_quotes_gpc()) {
$sep = stripslashes($sep);
}
$sep = str_replace('\\t', "\011", $sep);
}
if ($what == 'excel') {
$enc_by = '"';
} else if (!isset($enc_by)) {
$enc_by = '';
} else if (get_magic_quotes_gpc()) {
$enc_by = stripslashes($enc_by);
}
if ($what == 'excel'
|| (empty($esc_by) && $enc_by != '')) {
// double the "enclosed by" character
$esc_by = $enc_by;
} else if (!isset($esc_by)) {
$esc_by = '';
} else if (get_magic_quotes_gpc()) {
$esc_by = stripslashes($esc_by);
}
// Defines the offsets to use
if ($limit_from > 0) {
$limit_from--;
} else {
$limit_from = 0;
}
if ($limit_to > 0 && $limit_from >= 0) {
$add_query = " LIMIT $limit_from, $limit_to";
} else {
$add_query = '';
}
// Gets the data from the database
$local_query = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $error_url);
$fields_cnt = mysql_num_fields($result);
@set_time_limit($GLOBALS['cfgExecTimeLimit']);
// Format the data
$i = 0;
while ($row = mysql_fetch_row($result)) {
$schema_insert = '';
for ($j = 0; $j < $fields_cnt; $j++) {
if (!isset($row[$j])) {
$schema_insert .= 'NULL';
}
else if ($row[$j] == '0' || $row[$j] != '') {
// loic1 : always enclose fields
if ($what == 'excel') {
$row[$j] = ereg_replace("\015(\012)?", "\012", $row[$j]);
}
if ($enc_by == '') {
$schema_insert .= $row[$j];
} else {
$schema_insert .= $enc_by
. str_replace($enc_by, $esc_by . $enc_by, $row[$j])
. $enc_by;
}
}
else {
$schema_insert .= '';
}
if ($j < $fields_cnt-1) {
$schema_insert .= $sep;
}
} // 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);
return TRUE;
} // end of the 'PMA_getTableCsv()' function
} // $__PMA_BUILD_DUMP_LIB__
?>
