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由 Heikki Linnakangas 提交于
Instead of completely disabling the generation of Paths with disabled plan types, add a high penalty to their cost estimates, like in the upstream. This reduces our diff vs. upstream, making future merges more straightforward. Discussion: https://groups.google.com/a/greenplum.org/d/msg/gpdb-dev/Az2cDcqf73g/_tY6Yv1kBgAJCo-authored-by: NDaniel Gustafsson <dgustafsson@pivotal.io> Reviewed-by: NVenkatesh Raghavan <vraghavan@pivotal.io> Reviewed-by: NRichard Guo <riguo@pivotal.io>
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