From 5955d121b390bb28c9c458955575ea683f2ccf04 Mon Sep 17 00:00:00 2001
From: wangjiaming0909 <604227650@qq.com>
Date: Mon, 28 Oct 2024 18:07:46 +0800
Subject: [PATCH] revert first/last fetch

---
 source/libs/parser/inc/parInt.h        |  2 -
 source/libs/parser/src/parTranslater.c | 72 +-------------------------
 source/libs/parser/src/parser.c        |  4 --
 3 files changed, 1 insertion(+), 77 deletions(-)

diff --git a/source/libs/parser/inc/parInt.h b/source/libs/parser/inc/parInt.h
index f69896dce9..5999ada70f 100644
--- a/source/libs/parser/inc/parInt.h
+++ b/source/libs/parser/inc/parInt.h
@@ -45,8 +45,6 @@ int32_t buildQueryAfterParse(SQuery** pQuery, SNode* pRootNode, int16_t placehol
 int32_t translateTable(STranslateContext* pCxt, SNode** pTable, SNode* pJoinParent);
 int32_t getMetaDataFromHash(const char* pKey, int32_t len, SHashObj* pHash, void** pOutput);
 void    tfreeSParseQueryRes(void* p);
-int32_t translatePostDropCTbWithTsma(SParseContext* pCxt, SQuery* pQuery, SSDataBlock* pBlock);
-
 
 #ifdef TD_ENTERPRISE
 int32_t translateView(STranslateContext* pCxt, SNode** pTable, SName* pName);
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 01ed634110..99c03c412c 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -9238,76 +9238,10 @@ static int32_t doTranslateDropSuperTable(STranslateContext* pCxt, const SName* p
   return code;
 }
 
-static int32_t createFunctionForDropCtbWithTSMA(const char* pFuncName, SFunctionNode** ppFunc) {
-  int32_t code = TSDB_CODE_SUCCESS;
-  SFunctionNode* pFunc = NULL;
-  code = nodesMakeNode(QUERY_NODE_FUNCTION, (SNode**)&pFunc);
-  SColumnNode* pCol = NULL;
-  if (TSDB_CODE_SUCCESS == code) {
-    strcpy(pFunc->functionName, pFuncName);
-    code = nodesMakeNode(QUERY_NODE_COLUMN, (SNode**)&pCol);
-  }
-  if (TSDB_CODE_SUCCESS == code) {
-    strcpy(((SColumnNode*)pCol)->colName, ROWTS_PSEUDO_COLUMN_NAME);
-    pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-    pCol->isPrimTs = true;
-    code = nodesListMakeStrictAppend(&pFunc->pParameterList, (SNode*)pCol);
-  }
-  if (TSDB_CODE_SUCCESS == code) {
-    *ppFunc = pFunc;
-  } else {
-    nodesDestroyNode((SNode*)pFunc);
-  }
-  return code;
-}
-
-static int32_t translateDropCtbWithTsma(STranslateContext* pCxt, SDropTableStmt* pStmt) {
-  if (!pStmt->withTsma || LIST_LENGTH(pStmt->pTables) == 0) return TSDB_CODE_SUCCESS;
-  int32_t    code = TSDB_CODE_SUCCESS;
-  SNode*     pPrevQuery = NULL;
-  SNodeList* pProjectionList = NULL;
-  if (LIST_LENGTH(pStmt->pTables) > 1) return TSDB_CODE_FAILED;
-  SDropTableClause* pClause = (SDropTableClause*)nodesListGetNode(pStmt->pTables, 0);
-
-  // create select query stmt
-  code = nodesMakeList(&pProjectionList);
-  SFunctionNode* pFunc = NULL;
-  if (TSDB_CODE_SUCCESS == code) {
-    code = createFunctionForDropCtbWithTSMA("count", &pFunc);
-    if (TSDB_CODE_SUCCESS == code) {
-      code = nodesListMakeStrictAppend(&pProjectionList, (SNode*)pFunc);
-    }
-  }
-  if (TSDB_CODE_SUCCESS == code) {
-    code = createFunctionForDropCtbWithTSMA("first", (SFunctionNode**)&pFunc);
-    if (TSDB_CODE_SUCCESS == code) {
-      code = nodesListMakeStrictAppend(&pProjectionList, (SNode*)pFunc);
-    }
-  }
-
-  if (TSDB_CODE_SUCCESS == code) {
-    code = createFunctionForDropCtbWithTSMA("last", (SFunctionNode**)&pFunc);
-    if (TSDB_CODE_SUCCESS == code) {
-      code = nodesListMakeStrictAppend(&pProjectionList, (SNode*)pFunc);
-    }
-  }
-  if (TSDB_CODE_SUCCESS == code) {
-    code = createSimpleSelectStmtFromProjList(pClause->dbName, pClause->tableName, pProjectionList,
-                                              (SSelectStmt**)&pPrevQuery);
-  }
-  if (TSDB_CODE_SUCCESS != code) {
-    nodesDestroyList(pProjectionList);
-  } else {
-    TSWAP(pCxt->pPrevRoot, pPrevQuery);
-  }
-  return code;
-}
-
 static int32_t translateDropTable(STranslateContext* pCxt, SDropTableStmt* pStmt) {
-  if (pStmt->withTsma) return translateDropCtbWithTsma(pCxt, pStmt);
-
   SDropTableClause* pClause = (SDropTableClause*)nodesListGetNode(pStmt->pTables, 0);
   SName             tableName = {0};
+  if (pStmt->withTsma) return TSDB_CODE_SUCCESS;
   toName(pCxt->pParseCxt->acctId, pClause->dbName, pClause->tableName, &tableName);
   return doTranslateDropSuperTable(pCxt, &tableName, pClause->ignoreNotExists);
 }
@@ -12813,10 +12747,6 @@ int32_t translatePostCreateTSMA(SParseContext* pParseCxt, SQuery* pQuery, SSData
   return code;
 }
 
-int32_t translatePostDropCTbWithTsma(SParseContext* pCxt, SQuery* pQuery, SSDataBlock* pBlock) {
-
-}
-
 static int32_t translateDropTSMA(STranslateContext* pCxt, SDropTSMAStmt* pStmt) {
   int32_t         code = TSDB_CODE_SUCCESS;
   SMDropSmaReq    dropReq = {0};
diff --git a/source/libs/parser/src/parser.c b/source/libs/parser/src/parser.c
index 0c27e5a603..8ac1acb1a2 100644
--- a/source/libs/parser/src/parser.c
+++ b/source/libs/parser/src/parser.c
@@ -324,10 +324,6 @@ int32_t qContinueParsePostQuery(SParseContext* pCxt, SQuery* pQuery, SSDataBlock
       code = translatePostCreateTSMA(pCxt, pQuery, pBlock);
       break;
     }
-    case QUERY_NODE_DROP_TABLE_STMT: {
-      translatePostDropCTbWithTsma(pCxt, pQuery, pBlock);
-      break;
-                                     }
     default:
       break;
   }