From 16da2f84d046a05027e00a17883cfc71773496ae Mon Sep 17 00:00:00 2001
From: zzzxl1993 <474696115@qq.com>
Date: Tue, 16 Jul 2024 20:43:40 +0800
Subject: [PATCH] [fix](inverted index) Corrected the issue of no_index_match
 failure caused by empty data.

---
 be/src/vec/functions/match.cpp                             | 7 ++++++-
 .../data/inverted_index_p0/test_no_index_match.out         | 6 ++++++
 .../suites/inverted_index_p0/test_no_index_match.groovy    | 5 +++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/be/src/vec/functions/match.cpp b/be/src/vec/functions/match.cpp
index 1f5151d7e18b8f..fb70a684cb1b1b 100644
--- a/be/src/vec/functions/match.cpp
+++ b/be/src/vec/functions/match.cpp
@@ -365,7 +365,12 @@ Status FunctionMatchPhrasePrefix::execute_match(
         auto data_tokens = analyse_data_token(column_name, inverted_index_ctx, string_col, i,
                                               array_offsets, current_src_array_offset);
 
-        for (size_t j = 0; j < data_tokens.size() - query_tokens.size() + 1; j++) {
+        int32_t dis_count = data_tokens.size() - query_tokens.size();
+        if (dis_count < 0) {
+            continue;
+        }
+
+        for (size_t j = 0; j < dis_count + 1; j++) {
             if (data_tokens[j] == query_tokens[0] || query_tokens.size() == 1) {
                 bool match = true;
                 for (size_t k = 0; k < query_tokens.size(); k++) {
diff --git a/regression-test/data/inverted_index_p0/test_no_index_match.out b/regression-test/data/inverted_index_p0/test_no_index_match.out
index 21723064e349c0..932dd55fc5a42d 100644
--- a/regression-test/data/inverted_index_p0/test_no_index_match.out
+++ b/regression-test/data/inverted_index_p0/test_no_index_match.out
@@ -14,3 +14,9 @@
 -- !sql --
 66
 
+-- !sql --
+0
+
+-- !sql --
+0
+
diff --git a/regression-test/suites/inverted_index_p0/test_no_index_match.groovy b/regression-test/suites/inverted_index_p0/test_no_index_match.groovy
index afbdcf34df3bee..0676fd4fc9daa7 100644
--- a/regression-test/suites/inverted_index_p0/test_no_index_match.groovy
+++ b/regression-test/suites/inverted_index_p0/test_no_index_match.groovy
@@ -81,6 +81,8 @@ suite("test_no_index_match", "p0") {
       create_httplogs_unique_table.call(testTable_unique)
       load_httplogs_data.call(testTable_unique, 'httplogs_unique', 'true', 'json', 'documents-1000.json')
 
+      sql """ INSERT INTO ${testTable_unique} VALUES (1, '1', '', 1, 1); """
+
       sql 'sync'
 
       try {
@@ -89,6 +91,9 @@ suite("test_no_index_match", "p0") {
           qt_sql """ select count() from ${testTable_unique} where (request match_phrase 'hm bg');  """
           qt_sql """ select count() from ${testTable_unique} where (request match_phrase_prefix 'hm b');  """
           qt_sql """ select count() from ${testTable_unique} where (request match_regexp 'la');  """
+
+          qt_sql """ select count() from ${testTable_unique} where (request match_phrase '欧冶工业品');  """
+          qt_sql """ select count() from ${testTable_unique} where (request match_phrase_prefix '欧冶工业品');  """
       } finally {
       } 
     } finally {