[fix](inverted index) Fix Null Pointer Exception in function match (#…

…45456)

Problem Summary:

Using select match_phrase('', '') in the old optimizer causes issues

be/src/vec/functions/match.cpp

@@ -129,6 +129,9 @@ void FunctionMatchBase::analyse_query_str_token(std::vector<std::string>* query_
                                                 const std::string& column_name) {
     VLOG_DEBUG << "begin to run " << get_name() << ", parser_type: "
                << inverted_index_parser_type_to_string(inverted_index_ctx->parser_type);
+    if (inverted_index_ctx == nullptr) {
+        return;
+    }
     if (inverted_index_ctx->parser_type == InvertedIndexParserType::PARSER_NONE) {
         query_tokens->emplace_back(match_query_str);
         return;

be/test/vec/function/function_match_test.cpp

@@ -0,0 +1,58 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#include <gtest/gtest.h>
+
+#include <memory>
+
+#include "function_test_util.h"
+#include "olap/rowset/segment_v2/inverted_index/analyzer/analyzer.h"
+#include "vec/functions/match.h"
+
+namespace doris::vectorized {
+
+TEST(FunctionMatchTest, analyse_query_str) {
+    FunctionMatchPhrase func_match_phrase;
+
+    {
+        auto inverted_index_ctx = nullptr;
+        std::vector<std::string> query_tokens =
+                func_match_phrase.analyse_query_str_token(inverted_index_ctx, "a b c", "name");
+        ASSERT_EQ(query_tokens.size(), 0);
+    }
+
+    {
+        auto inverted_index_ctx = std::make_unique<InvertedIndexCtx>();
+        inverted_index_ctx->parser_type = InvertedIndexParserType::PARSER_NONE;
+        std::vector<std::string> query_tokens = func_match_phrase.analyse_query_str_token(
+                inverted_index_ctx.get(), "a b c", "name");
+        ASSERT_EQ(query_tokens.size(), 1);
+    }
+
+    {
+        auto inverted_index_ctx = std::make_unique<InvertedIndexCtx>();
+        inverted_index_ctx->parser_type = InvertedIndexParserType::PARSER_ENGLISH;
+        auto analyzer = doris::segment_v2::inverted_index::InvertedIndexAnalyzer::create_analyzer(
+                inverted_index_ctx.get());
+        inverted_index_ctx->analyzer = analyzer.get();
+        std::vector<std::string> query_tokens = func_match_phrase.analyse_query_str_token(
+                inverted_index_ctx.get(), "a b c", "name");
+        ASSERT_EQ(query_tokens.size(), 3);
+    }
+}
+
+} // namespace doris::vectorized