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  • Committer: lbieber
  • Date: 2010-10-07 21:44:19 UTC
  • mfrom: (1812.4.2 staging)
  • mto: This revision was merged to the branch mainline in revision 1822.
  • Revision ID: lbieber@orisndriz08-20101007214419-0w3k9dlvlnt57tah
Merge Brian - fixu bug #655558: SELECT 102/(1-1) should error on divide by zero          

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ANALYZE
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ANALYZE TABLE table_name [, table_name] ...
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ANALYZE TABLE read locks a table, and then analyzes and stores the key distribution for a table.
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.. todo::
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   is read lock always true?
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.. todo::
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   some engines don't perform an explicit gathering of statistics when
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   you type ANALYZE. e.g. innobase (which only copies it's current estimate).
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   Only recently did I add this to HailDB so that it does go and do the index
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   dives on ANALYZE.