Julian Hyde created CALCITE-1536:
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Summary: Initialize cluster before planner
Key: CALCITE-1536
URL: https://issues.apache.org/jira/browse/CALCITE-1536
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
We should initialize the cluster ({{RelOptCluster}}) before planner
({{RelOptPlanner}}, or a sub-class such as {{VolcanoPlanner}} or
{{HepPlanner}}). Currently the planner contains important information such as
executor ({{RelOptPlanner.Executor}}), the set of active traits (epitomized by
the {{RelOptPlanner.emptyTraitSet}} method) and the metadata providers, and the
cluster contains a link to a planner, so the planner has to be created first.
This makes it difficult to use a succession of planners for query planning.
Fixing this issue is a first step towards CALCITE-1525.
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