From 1c07aa4c9bbe59e5a0a686b9e6db30b2c824b734 Mon Sep 17 00:00:00 2001
From: Gonzalo Ortiz Jaureguizar <gortiz@users.noreply.github.com>
Date: Wed, 18 Dec 2024 11:15:24 +0100
Subject: [PATCH] Modify test log4j2.xml to hint how to debug calcite rules
 (#14680)

---
 pinot-query-runtime/src/test/resources/log4j2.xml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pinot-query-runtime/src/test/resources/log4j2.xml b/pinot-query-runtime/src/test/resources/log4j2.xml
index 2ba94c905d4c..2d06f721c411 100644
--- a/pinot-query-runtime/src/test/resources/log4j2.xml
+++ b/pinot-query-runtime/src/test/resources/log4j2.xml
@@ -32,6 +32,12 @@
 <!--    <Logger name="org.apache.pinot.query" level="trace" additivity="false">-->
 <!--      <AppenderRef ref="console"/>-->
 <!--    </Logger>-->
+
+    <!-- Change level to DEBUG in order to log the optimization process -->
+    <logger name="org.apache.calcite.plan.RelOptPlanner" level="ERROR" additivity="false">
+      <!--    Change onMatch to ACCEPT, to see the produced plan after every rule invocation using the EXPLAIN format-->
+      <MarkerFilter marker="FULL_PLAN" onMatch="DENY" onMismatch="NEUTRAL"/>
+    </logger>
     <Root level="error">
       <AppenderRef ref="console"/>
     </Root>