[Maria-developers] Updated (by Serg): insert ignore ha_extra hint (114)
----------------------------------------------------------------------- WORKLOG TASK -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- TASK...........: insert ignore ha_extra hint CREATION DATE..: Sun, 25 Apr 2010, 16:32 SUPERVISOR.....: Sergei IMPLEMENTOR....: COPIES TO......: CATEGORY.......: Server-BackLog TASK ID........: 114 (http://askmonty.org/worklog/?tid=114) VERSION........: Server-5.3 STATUS.........: Un-Assigned PRIORITY.......: 60 WORKED HOURS...: 0 ESTIMATE.......: 0 (hours remain) ORIG. ESTIMATE.: 0 PROGRESS NOTES: -=-=(Serg - Mon, 10 May 2010, 14:35)=-=- Category updated. --- /tmp/wklog.114.old.7124 2010-05-10 14:35:59.000000000 +0000 +++ /tmp/wklog.114.new.7124 2010-05-10 14:35:59.000000000 +0000 @@ -1 +1 @@ -Server-Sprint +Server-BackLog -=-=(Serg - Mon, 10 May 2010, 14:35)=-=- Version updated. --- /tmp/wklog.114.old.7124 2010-05-10 14:35:59.000000000 +0000 +++ /tmp/wklog.114.new.7124 2010-05-10 14:35:59.000000000 +0000 @@ -1 +1 @@ -Server-9.x +Server-5.3 DESCRIPTION: There is HA_EXTRA_WRITE_CAN_REPLACE hint that tells the engine that the following ::write_row() calls are part of the REPLACE statement, not INSERT. With this knowledge the engine can execute the replace internally, deleting the conflicting row in the ::write_row() method instead of returning an error. We need a similar HA_EXTRA_WRITE_CAN_IGNORE hint to allow engines to optimize INSERT IGNORE in a similar way. ESTIMATED WORK TIME ESTIMATED COMPLETION DATE ----------------------------------------------------------------------- WorkLog (v3.5.9)
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