From 298c2abdf0cf4d1fe7aee8bb56d3adedb91956be Mon Sep 17 00:00:00 2001
From: Ray <tianxiufan@tianxiufandeMacBook-Pro.local>
Date: Mon, 10 May 2021 16:13:16 +0800
Subject: [PATCH] In the addBatch method, add parsedStmt.hasValues() check to
 ensure that the query of the form 'INSERT INTO ... SELECT' will be executed

---
 .../ru/yandex/clickhouse/ClickHousePreparedStatementImpl.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clickhouse-jdbc/src/main/java/ru/yandex/clickhouse/ClickHousePreparedStatementImpl.java b/clickhouse-jdbc/src/main/java/ru/yandex/clickhouse/ClickHousePreparedStatementImpl.java
index 4abb48f95..66b243740 100644
--- a/clickhouse-jdbc/src/main/java/ru/yandex/clickhouse/ClickHousePreparedStatementImpl.java
+++ b/clickhouse-jdbc/src/main/java/ru/yandex/clickhouse/ClickHousePreparedStatementImpl.java
@@ -327,7 +327,7 @@ public void addBatch(String sql) throws SQLException {
 
     @Override
     public void addBatch() throws SQLException {
-        if (parsedStmt.getStatementType() == StatementType.INSERT) {
+        if (parsedStmt.getStatementType() == StatementType.INSERT && parsedStmt.hasValues()) {
             batchRows.addAll(buildBatch());
         } else {
             batchStmts.add(buildSql());