Merge pull request #2335 from ClickHouse/add-logging-statements

Update StatementImpl.java to add extra logging

Author: Paultagoras

jdbc-v2/src/main/java/com/clickhouse/jdbc/StatementImpl.java

@@ -188,6 +188,7 @@ public ResultSetImpl executeQueryImpl(String sql, QuerySettings settings) throws
 
         try {
             lastSql = parseJdbcEscapeSyntax(sql);
+            LOG.debug("SQL Query: {}", lastSql);
             QueryResponse response;
             if (queryTimeout == 0) {
                 response = connection.client.query(lastSql, mergedSettings).get();
@@ -237,6 +238,7 @@ protected int executeUpdateImpl(String sql, StatementType type, QuerySettings se
         }
 
         lastSql = parseJdbcEscapeSyntax(sql);
+        LOG.debug("SQL Query: {}", lastSql);
         int updateCount = 0;
         try (QueryResponse response = queryTimeout == 0 ? connection.client.query(lastSql, mergedSettings).get()
                 : connection.client.query(lastSql, mergedSettings).get(queryTimeout, TimeUnit.SECONDS)) {