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  • Committer: Andrew Hutchings
  • Date: 2011-01-04 11:36:01 UTC
  • mto: This revision was merged to the branch mainline in revision 2057.
  • Revision ID: andrew@linuxjedi.co.uk-20110104113601-diiveyfl32dgaa6f
Refix using placement new for join code, vector for join cache buffer.
Also refix a bug in COND_CMP properly

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Users can create local variables with the following syntax.
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SET @variable = "some string";
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Variables are session level only. They can be used in queries. The can be set
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from queries.