danny0405 commented on a change in pull request #1794: [CALCITE-3781]
HintStrategy can specify excluded rules for planner
URL: https://github.com/apache/calcite/pull/1794#discussion_r378620001
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File path:
core/src/main/java/org/apache/calcite/plan/volcano/VolcanoRuleCall.java
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@@ -160,6 +160,11 @@ protected void onMatch() {
return;
}
+ if (isRuleExcluded()) {
+ LOGGER.debug("Rule [{}] not fired due to exclusion hint", getRule());
Review comment:
It's hard to do that, because the operands can be matched from children to
parent (ASENDING), for current implementation, i only want to match the root
operand of the final match.
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