Can we use two temporary tables in update query...

Question

0.00/5 (No votes)

See more:

my update query is

SQL

UPDATE student_attendance sa,
  (SELECT DISTINCT
     sm.reg_number,
     sm.id,
     sm.cur_academic_id,
     ctm.term_id,
     tmp.Percentage
   FROM tmp_attendancestatus_idcoperator131781 AS tmp,
     students_master sm,
     course_term_master ctm
   WHERE tmp.HallticketNumber = sm.reg_number
       AND ctm.term_id = sm.current_term_id
       AND ctm.semyear = tmp.Year
       AND ctm.semterm = tmp.Semester
       AND TRIM(STATUS) = 'Success'
       AND sm.college_id = 40) AS sd,
  tmp_attendancestatus_idcoperator131781 AS tmpup
SET tmpup.tmpstatus = 1
WHERE sa.student_id = sd.id
    AND sa.academic_id = sd.cur_academic_id
    AND sa.term_id = sd.term_id
    AND sa.attendance_percentage = sd.Percentage
    AND tmpup.HallticketNumber = sd.reg_number

Im using two temporary tables in a update query...but its telling ann error- "cannot reopen the temp table"...give me alternate solution for this query...

Posted 2-Apr-13 22:08pm

premkumar12

Updated 2-Apr-13 23:10pm

v2

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Maciej Los · Answer 1 · 2013-04-04T10:09:00

Quote:
ERROR 1137: Can't reopen table: 'name'

This error also occurs if you refer to a temporary table multiple times in a stored function under different aliases, even if the references occur in different statements within the function.

Please, read this: http://dev.mysql.com/doc/refman/5.0/en/temporary-table-problems.html[^] and this: http://bugs.mysql.com/bug.php?id=10327[^]