[calcite] 17/41: [CALCITE-4991] Improve RuleEventLogger to also print input rels in FULL_PLAN mode

[li...@apache.org]

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liyafan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/calcite.git

commit 21b8852051a990cdb3c5d2e9cd69eae9dc0b3f2d
Author: Alessandro Solimando <al...@gmail.com>
AuthorDate: Fri Jan 21 12:06:48 2022 +0100

    [CALCITE-4991] Improve RuleEventLogger to also print input rels in FULL_PLAN mode
---
 core/src/main/java/org/apache/calcite/plan/RuleEventLogger.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/src/main/java/org/apache/calcite/plan/RuleEventLogger.java b/core/src/main/java/org/apache/calcite/plan/RuleEventLogger.java
index 4842055..1cc4cf4 100644
--- a/core/src/main/java/org/apache/calcite/plan/RuleEventLogger.java
+++ b/core/src/main/java/org/apache/calcite/plan/RuleEventLogger.java
@@ -49,6 +49,11 @@ public class RuleEventLogger implements RelOptListener {
   @Override public void ruleProductionSucceeded(RuleProductionEvent event) {
     if (event.isBefore() && LOG.isDebugEnabled()) {
       RelOptRuleCall call = event.getRuleCall();
+
+      Arrays.stream(call.rels).forEach(rel ->
+          LOG.debug(FULL, "call#{}: Full plan for rule input [rel#{}:{}]: {}", call.id, rel.getId(),
+              rel.getRelTypeName(), System.lineSeparator() + RelOptUtil.toString(rel)));
+
       RelNode newRel = event.getRel();
       String description =
           newRel == null ? "null" : "rel#" + newRel.getId() + ":" + newRel.getRelTypeName();