From dc52c7eee166daf299b3ba1657ad0f8f6e3efd72 Mon Sep 17 00:00:00 2001
From: morrySnow <101034200+morrySnow@users.noreply.github.com>
Date: Fri, 2 Aug 2024 11:00:27 +0800
Subject: [PATCH] [fix](syntax) multi statements must delim with semicolon
 (#38670)

pick from master #38670
---
 .../main/antlr4/org/apache/doris/nereids/DorisParser.g4  | 2 +-
 .../apache/doris/nereids/parser/NereidsParserTest.java   | 9 ++++++++-
 regression-test/suites/insert_p0/insert.groovy           | 2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4 b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
index 35db2510c116b8..7b56e1479c4089 100644
--- a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
+++ b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
@@ -26,7 +26,7 @@ options { tokenVocab = DorisLexer; }
 }
 
 multiStatements
-    : (statement SEMICOLON*)+ EOF
+    : statement (SEMICOLON+ statement)* SEMICOLON* EOF
     ;
 
 singleStatement
diff --git a/fe/fe-core/src/test/java/org/apache/doris/nereids/parser/NereidsParserTest.java b/fe/fe-core/src/test/java/org/apache/doris/nereids/parser/NereidsParserTest.java
index 5773a9f29b5311..2bbcbc4290d105 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/nereids/parser/NereidsParserTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/nereids/parser/NereidsParserTest.java
@@ -54,11 +54,18 @@ public class NereidsParserTest extends ParserTestBase {
     @Test
     public void testParseMultiple() {
         NereidsParser nereidsParser = new NereidsParser();
-        String sql = "SELECT b FROM test;SELECT a FROM test;";
+        String sql = "SELECT b FROM test;;;;SELECT a FROM test;";
         List<Pair<LogicalPlan, StatementContext>> logicalPlanList = nereidsParser.parseMultiple(sql);
         Assertions.assertEquals(2, logicalPlanList.size());
     }
 
+    @Test
+    public void testParseMultipleError() {
+        NereidsParser nereidsParser = new NereidsParser();
+        String sql = "SELECT b FROM test SELECT a FROM test;";
+        Assertions.assertThrowsExactly(ParseException.class, () -> nereidsParser.parseMultiple(sql));
+    }
+
     @Test
     public void testSingle() {
         NereidsParser nereidsParser = new NereidsParser();
diff --git a/regression-test/suites/insert_p0/insert.groovy b/regression-test/suites/insert_p0/insert.groovy
index 4d1eae21962621..bcab9956c1d4ec 100644
--- a/regression-test/suites/insert_p0/insert.groovy
+++ b/regression-test/suites/insert_p0/insert.groovy
@@ -102,7 +102,7 @@ suite("insert") {
           partition p2 values[('50'), ('100'))
         )
         distributed by hash(id) buckets 100
-        properties('replication_num'='1')
+        properties('replication_num'='1');
         
         insert into table_test_insert1 values(1), (50);