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authorTom Lane2006-01-12 21:49:32 +0000
committerTom Lane2006-01-12 21:49:32 +0000
commite76bb5cfec543cbf9243f66bf020da9058c22aa4 (patch)
tree5175d1a1aa99b6e1bf2e587190803d42147f0647 /doc/src
parent1937d8d9efcc0444525a8eb1f6fbc11fddb9512d (diff)
Repair "Halloween problem" in EvalPlanQual: a tuple that's been inserted by
our own command (or more generally, xmin = our xact and cmin >= current command ID) should not be seen as good. Else we may try to update rows we already updated. This error was inserted last August while fixing the even bigger problem that the old coding wouldn't see *any* tuples inserted by our own transaction as good. Per report from Euler Taveira de Oliveira.
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