我是PHP的新手,并且我没有很好的语法和原则。 我有这样的代码:没有一个字段的MySQL表导出
function exportFromTransbase($table_name) {
//$odbc_query = "SELECT * FROM " . $table_name. " WHERE ((CDS_CTM subrange(248 cast integer) = 1) AND (CDS_LNG_ID = 16))";
$odbc_query = "SELECT * FROM " . $table_name. "";
$data = odbc_exec($this->odbc_id, $odbc_query);
odbc_longreadlen($data, 10485760);
$oufile=fopen($table_name.".sql", 'w') or die("error writing file");
$q1='INSERT INTO `' . substr($table_name, 4) . '` VALUES';
fwrite($oufile, $q1);
while($row = odbc_fetch_array($data))
{
foreach($row as $key => $value) {
$keys[] = "`" . $key . "`";
if ($value == ""){
$value = 'NULL';
$values[] = "" . mysql_real_escape_string($value) . "";
}
else{
$values[] = "'" . mysql_real_escape_string($value) . "'";
}
//echo "\n \n ololo ".$value;
}
$mysql_query = "\n (".implode(",", $values).")," ;
fwrite($oufile, $mysql_query);
//mysql_query($mysql_query);
set_time_limit(0);
unset($keys);
unset($values);
unset($row);
}
$stat = fstat($oufile);
ftruncate($oufile, $stat['size']-1);
fseek($oufile, 0, SEEK_END);
fwrite($oufile, ";".$r);
//} while ($r < 5);
fclose($oufile);
if ($mysql_query){
print "Ýêñïîðò äàííûõ èç òàáëèöû " . $table_name . " çàâåðøåí!";
//strtolower(substr($table_name, 4))
}
}
什么,在哪里我需要定制的,让我导出所有表字段除一人外,例如所谓的大小,我必须在数据库中插入是这一领域的空....
此外,如果它很容易,如何分割我的SQL查询分批5000行?那么插入(5000行),然后插入另一张5000 ....
但首先我需要导出所有领域,除一人外......