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Added a limitation feature for data dumps thanks to Girish Nair and Vinay

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This commit is contained in:
Loïc Chapeaux
2001-07-13 17:18:11 +00:00
parent 18f3a14292
commit c74a33e567
27 changed files with 269 additions and 115 deletions
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310
lib.inc.php3
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@@ -600,123 +600,223 @@ function get_table_def($db, $table, $crlf)
}
}
// Get the content of $table as a series of INSERT statements.
// After every row, a custom callback function $handler gets called.
// $handler must accept one parameter ($sql_insert);
function get_table_content ($db, $table, $handler){
if (PMA_INT_VERSION>=40005) get_table_content_fast($db, $table, $handler);
else get_table_content_old($db, $table, $handler);
}
// only php >= 4.0.5 - staybyte - 27. June 2001
function get_table_content_fast($db, $table, $handler){
$result = mysql_query("SELECT * FROM ".db_name($db)."." .
tbl_name($table)) or mysql_die();
if ($result!=false){
for($j=0; $j<mysql_num_fields($result);$j++){
$field_set[$j]= mysql_field_name($result,$j);
$type=mysql_field_type($result,$j);
if ($type=="tinyint"||$type=="smallint"||$type=="mediumint"||$type=="int"||$type=="bigint"||$type=="timestamp")
$field_num[$j]=true;
else $field_num[$j]=false;
}
if(isset($GLOBALS["showcolumns"])){
$fields=implode(", ",$field_set);
$schema_insert = "INSERT INTO $table ($fields) VALUES (";
}
else $schema_insert = "INSERT INTO $table VALUES (";
$field_count=mysql_num_fields($result);
$search=array("\x0a","\x0d","\x1a"); //\x08\\x09, not required
$replace=array("\\n","\\r","\Z");
@set_time_limit(1200); // 20 Minutes
while($row = mysql_fetch_row($result)){
for($j=0; $j < $field_count; $j++){
if (isset($row[$j])){
if ($field_num[$j]) $values[]=$row[$j]; // a number
else $values[]="'".str_replace($search,$replace,AddSlashes($row[$j]))."'"; // string
}
else if(!isset($row[$j])) $values[]="NULL";
else $values[]="''";
}
$insert_line = $schema_insert.implode (",",$values).")";
unset ($values);
$handler($insert_line);
}
}
}
function get_table_content_old($db, $table, $handler)
/**
* Dispatch between the versions of 'get_table_content' to use depending on the
* php version
*
* @param string the current database name
* @param string the current table name
* @param integer the offset on this table
* @param integer the last row to get
* @param string the name of the handler (function) to use at the end of
* every row. This handler must accept one parameter
* ($sql_insert)
*
* @see get_table_content_fast(), get_table_content_old()
* @author staybyte
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*/
function get_table_content($db, $table, $limit_from = 0, $limit_to = 0, $handler)
{
$result = mysql_query("SELECT * FROM " . db_name($db) ."." .
tbl_name($table)) or mysql_die();
$i = 0;
while($row = mysql_fetch_row($result))
{
@set_time_limit(60); // HaRa
$table_list = "(";
// Defines the offsets to use
if ($limit_from > 0) {
$limit_from--;
} else {
$limit_from = 0;
}
if ($limit_to > 0 && $limit_from >= 0) {
$add_query = " LIMIT $limit_from, $limit_to";
} else {
$add_query = '';
}
for($j=0; $j<mysql_num_fields($result);$j++)
$table_list .= mysql_field_name($result,$j).", ";
// Call the working function depending on the php version
if (PMA_INT_VERSION >= 40005) {
get_table_content_fast($db, $table, $add_query, $handler);
} else {
get_table_content_old($db, $table, $add_query, $handler);
}
} // end of the 'get_table_content()' function
$table_list = substr($table_list,0,-2);
$table_list .= ")";
if(isset($GLOBALS["showcolumns"]))
$schema_insert = "INSERT INTO $table $table_list VALUES (";
else
/**
* php >= 4.0.5 only : get the content of $table as a series of INSERT
* statements.
* After every row, a custom callback function $handler gets called.
*
* @param string the current database name
* @param string the current table name
* @param string the 'limit' clause to use with the sql query
* @param string the name of the handler (function) to use at the end of
* every row. This handler must accept one parameter
* ($sql_insert)
*
* @return boolean always true
*
* @author staybyte
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*/
function get_table_content_fast($db, $table, $add_query = '', $handler)
{
$result = mysql_query('SELECT * FROM ' . db_name($db) . '.' . tbl_name($table). $add_query) or mysql_die();
if ($result != false) {
// Checks whether the field is an integer or not
for ($j = 0; $j < mysql_num_fields($result); $j++) {
$field_set[$j] = mysql_field_name($result, $j);
$type = mysql_field_type($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
// Get the scheme
if (isset($GLOBALS['showcolumns'])) {
$fields = implode(', ', $field_set);
$schema_insert = "INSERT INTO $table ($fields) VALUES (";
} else {
$schema_insert = "INSERT INTO $table VALUES (";
for ($j=0; $j<mysql_num_fields($result);$j++)
{
if (!isset($row[$j])) {
$schema_insert .= " NULL,";
}
else if ($row[$j] != "") {
$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 .= " '',";
}
}
$schema_insert = ereg_replace(",$", "", $schema_insert);
$schema_insert .= ")";
$field_count = mysql_num_fields($result);
$search = array("\x0a","\x0d","\x1a"); //\x08\\x09, not required
$replace = array("\\n","\\r","\Z");
@set_time_limit(1200); // 20 Minutes
while ($row = mysql_fetch_row($result)) {
for ($j = 0; $j < $field_count; $j++) {
if (!isset($row[$j])) {
$values[] = 'NULL';
} else if (!empty($row[$j])) {
// a number
if ($field_num[$j]) {
$values[] = $row[$j];
}
// a string
else {
$values[] = "'" . str_replace($search, $replace, addslashes($row[$j])) . "'";
}
} else {
$values[] = "''";
} // end if
} // end for
$insert_line = $schema_insert . implode(',', $values) . ')';
unset($values);
// Call the handler
$handler($insert_line);
} // end while
} // end if ($result != false)
return true;
} // end of the 'get_table_content_fast()' function
/**
* php < 4.0.5 only : get the content of $table as a series of INSERT
* statements.
* After every row, a custom callback function $handler gets called.
*
* @param string the current database name
* @param string the current table name
* @param string the 'limit' clause to use with the sql query
* @param string the name of the handler (function) to use at the end of
* every row. This handler must accept one parameter
* ($sql_insert)
*
* @return boolean always true
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*/
function get_table_content_old($db, $table, $add_query = '', $handler)
{
$result = mysql_query('SELECT * FROM ' . db_name($db) . '.' . tbl_name($table) . $add_query) or mysql_die();
$i = 0;
while ($row = mysql_fetch_row($result)) {
@set_time_limit(60); // HaRa
$table_list = '(';
for ($j = 0; $j < mysql_num_fields($result); $j++) {
$table_list .= mysql_field_name($result, $j) . ', ';
}
$table_list = substr($table_list, 0, -2);
$table_list .= ')';
if (isset($GLOBALS['showcolumns'])) {
$schema_insert = "INSERT INTO $table $table_list VALUES (";
} else {
$schema_insert = "INSERT INTO $table VALUES (";
}
for ($j = 0; $j < mysql_num_fields($result); $j++) {
if (!isset($row[$j])) {
$schema_insert .= ' NULL,';
} else if ($row[$j] != '') {
$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));
++$i;
}
return (true);
}
} // end while
function count_records($db, $table)
return true;
} // end of the 'get_table_content_old()' function
/**
* Counts and displays the number of records in a table
*
* @param string the current database name
* @param string the current table name
* @param boolean whether to retain or to displays the result
*
* @return mixed the number of records if retain is required, true else
*
* Last revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*/
function count_records($db, $table, $ret = false)
{
$result = mysql_query('select count(*) as num from ' . db_name($db) . '.' . tbl_name($table));
$num = mysql_result($result,0,"num");
echo number_format($num, 0, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator']);
}
if ($ret) {
return $num;
} else {
echo number_format($num, 0, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator']);
return true;
}
} // end of the 'count_records()' function
/**