php 在线导入mysql大数据程序

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

<?php

header("content-type:text/html;charset=utf-8");

error_reporting(E_ALL);

set_time_limit(0);

$file='./test.sql';

$data=file($file);

echo "<pre>";

//print_r($data);

$data_new=array();

$tmp=array();

foreach ($data as $line) {

$line=trim($line);

if(strlen($line)==0){

continue;

}

if(substr($line,0,2)=='--'){

continue;

}

if(substr($line,0,2)=='/*'){

continue;

}

$tmp[]=$line;

if(substr($line,-1)==';'){

$query=implode('',$tmp);

$tmp=array();

$data_new[]=$query;

}

}

$mysqli=new mysqli('localhost','root','root','test');

if($mysqli->connect_errno){

exit('数据库连接失败！');

}

$mysqli->query("set names utf8");

$error=array();

foreach($data_new as $sql){

$mysqli->query($sql);

$r=$mysqli->error;

if($r) $error[]=$r;

}

print_r($r);

/*

mysql>ALTER TABLE tbl2 DISABLE KEYS;

Query OK, 0 rows affected (0.00 sec)

mysql>INSERT INTO tbl2 SELECT * FROM tbl1;

Query OK, 2000000 row affected (36.30 sec)

Records: 2000000 Duplicates: 0 Warnings: 0

mysql>ALTER TABLE tbl2 ENABLE KEYS;

Query OK, 0 rows affected (44.55 sec)

*/