From e2371f9d911ca7ab96fb14896bb7408a0e047f1d Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Wed, 17 Jul 2024 14:52:42 +0800
Subject: [PATCH] remove unused internal api: walSeekWriteVer

---
 source/libs/wal/inc/walInt.h  |  1 -
 source/libs/wal/src/walSeek.c | 57 -----------------------------------
 2 files changed, 58 deletions(-)

diff --git a/source/libs/wal/inc/walInt.h b/source/libs/wal/inc/walInt.h
index 6dc9922981..fa1e0c203b 100644
--- a/source/libs/wal/inc/walInt.h
+++ b/source/libs/wal/inc/walInt.h
@@ -163,7 +163,6 @@ int     walInitWriteFile(SWal* pWal);
 // seek section end
 
 int64_t walGetSeq();
-int     walSeekWriteVer(SWal* pWal, int64_t ver);
 int32_t walRollImpl(SWal* pWal);
 
 #ifdef __cplusplus
diff --git a/source/libs/wal/src/walSeek.c b/source/libs/wal/src/walSeek.c
index 0e452a937b..57fe8d5c19 100644
--- a/source/libs/wal/src/walSeek.c
+++ b/source/libs/wal/src/walSeek.c
@@ -19,36 +19,6 @@
 #include "tref.h"
 #include "walInt.h"
 
-#if 0
-static int64_t walSeekWritePos(SWal* pWal, int64_t ver) {
-  int64_t code = 0;
-
-  TdFilePtr pIdxTFile = pWal->pIdxFile;
-  TdFilePtr pLogTFile = pWal->pLogFile;
-
-  // seek position
-  int64_t idxOff = walGetVerIdxOffset(pWal, ver);
-  code = taosLSeekFile(pIdxTFile, idxOff, SEEK_SET);
-  if (code != 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-  SWalIdxEntry entry;
-  // TODO:deserialize
-  code = taosReadFile(pIdxTFile, &entry, sizeof(SWalIdxEntry));
-  if (code != 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-  code = taosLSeekFile(pLogTFile, entry.offset, SEEK_SET);
-  if (code < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-  return 0;
-}
-#endif
-
 int walInitWriteFile(SWal* pWal) {
   TdFilePtr     pIdxTFile, pLogTFile;
   SWalFileInfo* pRet = taosArrayGetLast(pWal->fileInfoSet);
@@ -130,30 +100,3 @@ int64_t walChangeWrite(SWal* pWal, int64_t ver) {
   pWal->writeCur = idx;
   return fileFirstVer;
 }
-
-#if 0
-int walSeekWriteVer(SWal* pWal, int64_t ver) {
-  int64_t code;
-  if (ver == pWal->vers.lastVer) {
-    return 0;
-  }
-  if (ver > pWal->vers.lastVer || ver < pWal->vers.firstVer) {
-    terrno = TSDB_CODE_WAL_INVALID_VER;
-    return -1;
-  }
-  if (ver < pWal->vers.snapshotVer) {
-  }
-  if (ver < walGetCurFileFirstVer(pWal) || (ver > walGetCurFileLastVer(pWal))) {
-    code = walChangeWrite(pWal, ver);
-    if (code != 0) {
-      return -1;
-    }
-  }
-  code = walSeekWritePos(pWal, ver);
-  if (code != 0) {
-    return -1;
-  }
-
-  return 0;
-}
-#endif