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From:Sergei Golubchik Date:February 26 2010 10:02am
Subject:Re: question on HA_EXTRA_IGNORE_DUP_KEY
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Hi, Zardosht!

On Feb 25, Zardosht Kasheff wrote:
> 
> Can you please elaborate on the problems?
> 
> Normally, with Insert ignore, a disk seek is required  to verify
> uniquness of the element (and thus the return of an error). If I do
> not need to return an error, the disk seek is unnecessary.

I think I'm missing something here.

If you don't know if the element is unique or not what do you do with
the row data ? Is the new row inserted into the table ? Do you check
uniqueness in the background ? Or you just insert it and ignore later
during table reads ?
 
Regards,
Sergei
Thread
question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff12 Feb
  • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff17 Feb
    • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff23 Feb
      • Re: question on HA_EXTRA_IGNORE_DUP_KEYVenu Kalyan24 Feb
Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff24 Feb
  • Re: question on HA_EXTRA_IGNORE_DUP_KEYVenu Kalyan24 Feb
    • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff24 Feb
      • Re: question on HA_EXTRA_IGNORE_DUP_KEYVenu Kalyan24 Feb
        • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff25 Feb
      • Re: question on HA_EXTRA_IGNORE_DUP_KEYSergey Vojtovich25 Feb
        • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff25 Feb
          • Re: question on HA_EXTRA_IGNORE_DUP_KEYSergei Golubchik26 Feb
          • Re: question on HA_EXTRA_IGNORE_DUP_KEYSergey Vojtovich26 Feb
            • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff26 Feb
              • Re: question on HA_EXTRA_IGNORE_DUP_KEYSergey Vojtovich2 Mar
                • Re: question on HA_EXTRA_IGNORE_DUP_KEYZardosht Kasheff2 Mar
                  • Re: question on HA_EXTRA_IGNORE_DUP_KEYSergey Vojtovich2 Mar
                    • Re: question on HA_EXTRA_IGNORE_DUP_KEYMichael Widenius19 Mar
                      • Configure error during the buildHiromichi Watari21 Mar
                        • Re: Configure error during the buildMikiya Okuno21 Mar
                          • Re: Configure error during the buildHiromichi Watari22 Mar