Question

last insert id mysql java

Asked by: Sachin_Ajmani

hi Experts, i have 2 mysql table and i want to add  auto generated value in 2nd table from 1st but it  return 0 not exact value i.e.  if 8 is auto genrated  value from 1st table but 0 inserted in 2nd table.

i m using these queries in different methods should i use them together  and will i have to maintain connection session ?

plz reply and thanks

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Asked On
2009-07-30 at 22:45:28ID24615873
Topic

MySQL Server

Participating Experts
1
Points
500
Comments
11

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Answers

 

by: mahomePosted on 2009-07-31 at 00:10:02ID: 24986864

You have to use the same connection.

For LAST_INSERT_ID(), the most         recently generated ID is maintained in the server on a         per-connection basis
http://dev.mysql.com/doc/refman/5.0/en/getting-unique-id.html

 

by: Sachin_AjmaniPosted on 2009-07-31 at 00:15:26ID: 24986894

yhanks for reply but how can i use same connection in different classes.

 

by: Sachin_AjmaniPosted on 2009-07-31 at 00:16:45ID: 24986898

thanks

 

by: Sachin_AjmaniPosted on 2009-07-31 at 00:17:18ID: 24986903

but plz tell me how can i use same connection in different classes.

 

by: mahomePosted on 2009-07-31 at 00:26:58ID: 24986941

Just use a 3rd Helper class, which creates and stores the connection. Then request the connection from the other two classes.

 

by: Sachin_AjmaniPosted on 2009-07-31 at 01:24:13ID: 24987112

thanks and can you give me example

 

by: Sachin_AjmaniPosted on 2009-07-31 at 01:26:53ID: 24987124

bcoz i m not getting you properly that if i make 3rd helper class than i have to create object of this class in both other class that how can i use same connection ? plz reply

 

by: mahomePosted on 2009-07-31 at 02:09:41ID: 24987263

Can you post your code (2 classes) so far, then I can adjust it.

 

by: Sachin_AjmaniPosted on 2009-07-31 at 03:21:17ID: 24987509

thanx i solved my problem

 

by: Sachin_AjmaniPosted on 2009-07-31 at 06:36:32ID: 24988624

Thanks

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