[iotdb] 01/01: add debug log

[ge...@apache.org]

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geniuspig pushed a commit to branch add_debug_sql_log
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit bf57de604daf3ae315a847cbbeee4298a373737a
Author: Boris <96...@qq.com>
AuthorDate: Mon Nov 2 13:46:16 2020 +0800

    add debug log
---
 .../src/main/java/org/apache/iotdb/db/qp/strategy/ParseDriver.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/server/src/main/java/org/apache/iotdb/db/qp/strategy/ParseDriver.java b/server/src/main/java/org/apache/iotdb/db/qp/strategy/ParseDriver.java
index 89b05e6..4aee03e 100644
--- a/server/src/main/java/org/apache/iotdb/db/qp/strategy/ParseDriver.java
+++ b/server/src/main/java/org/apache/iotdb/db/qp/strategy/ParseDriver.java
@@ -26,14 +26,18 @@ import org.antlr.v4.runtime.atn.PredictionMode;
 import org.antlr.v4.runtime.misc.ParseCancellationException;
 import org.antlr.v4.runtime.tree.ParseTree;
 import org.antlr.v4.runtime.tree.ParseTreeWalker;
+import org.apache.iotdb.db.qp.executor.PlanExecutor;
 import org.apache.iotdb.db.qp.logical.Operator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * ParseDriver.
  *
  */
 public class ParseDriver {
-  private ParseTreeWalker walker;
+  private final ParseTreeWalker walker;
+  private static final Logger logger = LoggerFactory.getLogger(ParseDriver.class);
 
   public ParseDriver() {
     walker = new ParseTreeWalker();
@@ -41,6 +45,7 @@ public class ParseDriver {
 
   public Operator parse(String sql, ZoneId zoneId) throws ParseCancellationException {
     LogicalGenerator logicalGenerator = new LogicalGenerator(zoneId);
+    logger.debug("Input sql is " + sql);
     CharStream charStream1 = CharStreams.fromString(sql);
     SqlBaseLexer lexer1 = new SqlBaseLexer(charStream1);
     CommonTokenStream tokens1 = new CommonTokenStream(lexer1);