diff --git a/cmake/define.inc b/cmake/define.inc
index cc8bd0fc355847354b23453d2329bda88bfaa2b7..441bf199974549fbe0acd33b3f971c0b29742096 100755
--- a/cmake/define.inc
+++ b/cmake/define.inc
@@ -122,10 +122,14 @@ IF (TD_LINUX)
     ADD_DEFINITIONS(-D_TD_NINGSI_60)
     MESSAGE(STATUS "set ningsi macro to true")
   ENDIF ()
-  
-  SET(DEBUG_FLAGS "-O0 -g3 -DDEBUG")
+
+  IF (TD_MEMORY_SANITIZER)
+    SET(DEBUG_FLAGS "-fsanitize=address -fsanitize=undefined -fno-sanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=null -fno-sanitize=alignment -static-libasan -O0 -g3 -DDEBUG")
+  ELSE ()
+    SET(DEBUG_FLAGS "-O0 -g3 -DDEBUG")
+  ENDIF ()
   SET(RELEASE_FLAGS "-O3 -Wno-error")
-  
+
   IF (${COVER} MATCHES "true")
     MESSAGE(STATUS "Test coverage mode, add extra flags")
     SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
@@ -144,7 +148,11 @@ IF (TD_DARWIN_64)
   ADD_DEFINITIONS(-DUSE_LIBICONV)
   MESSAGE(STATUS "darwin64 is defined")
   SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -Wno-missing-braces -fPIC -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
-  SET(DEBUG_FLAGS "-O0 -g3 -DDEBUG")
+  IF (TD_MEMORY_SANITIZER)
+    SET(DEBUG_FLAGS "-fsanitize=address -fsanitize=undefined -fno-sanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=null -fno-sanitize=alignment -O0 -g3 -DDEBUG")
+  ELSE ()
+    SET(DEBUG_FLAGS "-O0 -g3 -DDEBUG")
+  ENDIF ()
   SET(RELEASE_FLAGS "-Og")
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/cJson/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/lz4/inc)
@@ -162,7 +170,14 @@ IF (TD_WINDOWS)
     IF (MSVC AND (MSVC_VERSION GREATER_EQUAL 1900))
       SET(COMMON_FLAGS "${COMMON_FLAGS} /Wv:18")
     ENDIF ()
-    SET(DEBUG_FLAGS "/fsanitize=thread /fsanitize=leak /fsanitize=memory /fsanitize=undefined /fsanitize=hwaddress /Zi /W3 /GL")
+
+    IF (TD_MEMORY_SANITIZER)
+MESSAGE("memory sanitizer detected as true")
+      SET(DEBUG_FLAGS "/fsanitize=address /Zi /W3 /GL")
+    ELSE ()
+MESSAGE("memory sanitizer detected as false")
+      SET(DEBUG_FLAGS "/Zi /W3 /GL")
+    ENDIF ()
     SET(RELEASE_FLAGS "/W0 /O3 /GL")
   ENDIF ()
 
@@ -171,7 +186,7 @@ IF (TD_WINDOWS)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/regex)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/wepoll/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/MsvcLibX/include)
-ENDIF () 
+ENDIF ()
 
 IF (TD_WINDOWS_64)
   ADD_DEFINITIONS(-D_M_X64)
diff --git a/cmake/input.inc b/cmake/input.inc
index 9b72a35d940ba5e3d79458bbe2455b0db2b59e14..c073bbbc037d105dbacea1e14981537cd31b7202 100755
--- a/cmake/input.inc
+++ b/cmake/input.inc
@@ -83,3 +83,8 @@ SET(TD_BUILD_JDBC TRUE)
 IF (${BUILD_JDBC} MATCHES "false")
   SET(TD_BUILD_JDBC FALSE)
 ENDIF ()
+
+SET(TD_MEMORY_SANITIZER FALSE)
+IF (${MEMORY_SANITIZER} MATCHES "true")
+  SET(TD_MEMORY_SANITIZER TRUE)
+ENDIF ()
diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index ca7b44e3a4248d586bb42c2c5a755fc359b47acb..77185342c2bf022e765b9549c102fcd3b786156e 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -4687,8 +4687,8 @@ static bool rate_function_setup(SQLFunctionCtx *pCtx) {
   pInfo->correctionValue = 0;
   pInfo->firstKey    = INT64_MIN;
   pInfo->lastKey     = INT64_MIN;
-  pInfo->firstValue  = INT64_MIN;
-  pInfo->lastValue   = INT64_MIN;
+  pInfo->firstValue  = (double) INT64_MIN;
+  pInfo->lastValue   = (double) INT64_MIN;
 
   pInfo->hasResult = 0;
   pInfo->isIRate = (pCtx->functionId == TSDB_FUNC_IRATE);