[TD-3963]add community version macro in cmakefile,change keep option base on version

CMakeLists.txt

@@ -37,6 +37,8 @@ IF (TD_WINDOWS OR TD_DARWIN)
   SET(TD_SOMODE_STATIC TRUE)
 ENDIF ()
 
+ADD_DEFINITIONS(-D_TD_COMMUNITY_VERSION)
+
 INCLUDE(cmake/define.inc)
 INCLUDE(cmake/env.inc)
 INCLUDE(cmake/version.inc)

src/mnode/src/mnodeDb.c

@@ -1060,6 +1060,13 @@ static SDbCfg mnodeGetAlterDbOption(SDbObj *pDb, SAlterDbMsg *pAlter) {
     newCfg.partitions = partitions;
   }
 
+// community version can only change daysToKeep
+// but enterprise version can change all daysToKeep options
+#if defined(_TD_COMMUNITY_VERSION) && !defined(_TD_ENTERPRISE_VERSION)
+  newCfg.daysToKeep1 = newCfg.daysToKeep;
+  newCfg.daysToKeep2 = newCfg.daysToKeep;
+#endif
+
   return newCfg;
 }