DRILL-6724: Dump operator context to logs when error occurs during query execution

closes #1455

1 files changed, 7 insertions, 1 deletions

diff --git a/contrib/storage-jdbc/src/main/java/org/apache/drill/exec/store/jdbc/JdbcRecordReader.java b/contrib/storage-jdbc/src/main/java/org/apache/drill/exec/store/jdbc/JdbcRecordReader.java
index 1b6e2111b..cd732a61c 100755
--- a/contrib/storage-jdbc/src/main/java/org/apache/drill/exec/store/jdbc/JdbcRecordReader.java
+++ b/contrib/storage-jdbc/src/main/java/org/apache/drill/exec/store/jdbc/JdbcRecordReader.java
@@ -279,6 +279,13 @@ class JdbcRecordReader extends AbstractRecordReader {
     AutoCloseables.close(resultSet, statement, connection);
   }
 
+  @Override
+  public String toString() {
+    return "JdbcRecordReader[sql=" + sql
+        + ", Plugin=" + storagePluginName
+        + "]";
+  }
+
   private abstract class Copier<T extends ValueVector.Mutator> {
     protected final int columnIndex;
     protected final ResultSet result;
@@ -478,5 +485,4 @@ class JdbcRecordReader extends AbstractRecordReader {
     }
 
   }
-
 }