From c60cc58da2cddada738e88911685dddf9ee8c041 Mon Sep 17 00:00:00 2001
From: obdev <obdev@oceanbase.com>
Date: Mon, 7 Aug 2023 07:18:34 +0000
Subject: [PATCH] [GIS]fix SRSWKTParser memory leak

---
 deps/oblib/src/lib/geo/ob_srs_wkt_parser.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/deps/oblib/src/lib/geo/ob_srs_wkt_parser.cpp b/deps/oblib/src/lib/geo/ob_srs_wkt_parser.cpp
index e3e21ad0d..b9215c7c6 100644
--- a/deps/oblib/src/lib/geo/ob_srs_wkt_parser.cpp
+++ b/deps/oblib/src/lib/geo/ob_srs_wkt_parser.cpp
@@ -318,7 +318,7 @@ static int parse_coordinate_system(common::ObIAllocator &allocator, const common
     char l_brac = r_brac == ')' ? '(' : '[';
     const char *begin = srs_str.ptr();
     const char *end = begin + last + 1; // past the last
-    void *buf = allocator.alloc(sizeof(SrsWktGrammar<decltype(begin), boost::spirit::ascii::space_type>));
+    void *buf = tmp_alloc.alloc(sizeof(SrsWktGrammar<decltype(begin), boost::spirit::ascii::space_type>));
     if (OB_ISNULL(buf)) {
       ret = OB_ERR_UNEXPECTED;
       LOG_WARN("alloc SrsWktGrammar failed", K(ret));
@@ -334,6 +334,9 @@ static int parse_coordinate_system(common::ObIAllocator &allocator, const common
         ObString trailing_str(end - begin, begin);
         LOG_WARN("failed to parse coodinate sytem, has extra trailing characters", K(trailing_str));
       }
+      if (OB_NOT_NULL(parser)) {
+        parser->~SrsWktGrammar<decltype(begin), boost::spirit::ascii::space_type>();
+      }
     }
   }
   return ret;