feat: alter local command

include/util/tconfig.h

@@ -33,7 +33,8 @@ typedef enum {
   CFG_STYPE_ENV_CMD,
   CFG_STYPE_APOLLO_URL,
   CFG_STYPE_ARG_LIST,
-  CFG_STYPE_TAOS_OPTIONS
+  CFG_STYPE_TAOS_OPTIONS,
+  CFG_STYPE_ALTER_CMD,
 } ECfgSrcType;
 
 typedef enum {

source/libs/command/src/command.c

@@ -550,7 +550,13 @@ static int32_t execShowCreateSTable(SShowCreateTableStmt* pStmt, SRetrieveTableR
   return execShowCreateTable(pStmt, pRsp);
 }
 
-static int32_t execAlterLocal(SAlterLocalStmt* pStmt) { return TSDB_CODE_FAILED; }
+static int32_t execAlterLocal(SAlterLocalStmt* pStmt) { 
+  if (cfgSetItem(tsCfg, pStmt->config, pStmt->value, CFG_STYPE_ALTER_CMD)) {
+    return terrno; 
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
 
 static SSDataBlock* buildLocalVariablesResultDataBlock() {
   SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));