From 7a13e4b2cf0c454cd92c635b96ecdafb67771ddd Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Fri, 25 Aug 2023 11:50:36 +0800
Subject: [PATCH] enh: add minVer and maxVer for entries in current.json

---
 source/dnode/vnode/src/tsdb/tsdbFile2.c | 26 ++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/tsdb/tsdbFile2.c b/source/dnode/vnode/src/tsdb/tsdbFile2.c
index 3d8964d41b..963c5bad34 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFile2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFile2.c
@@ -76,6 +76,17 @@ static int32_t tfile_to_json(const STFile *file, cJSON *json) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  if (file->minVer <= file->maxVer) {
+    /* minVer */
+    if (cJSON_AddNumberToObject(json, "minVer", file->minVer) == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+
+    /* maxVer */
+    if (cJSON_AddNumberToObject(json, "maxVer", file->maxVer) == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+  }
   return 0;
 }
 
@@ -122,6 +133,19 @@ static int32_t tfile_from_json(const cJSON *json, STFile *file) {
     return TSDB_CODE_FILE_CORRUPTED;
   }
 
+  /* minVer */
+  file->minVer = VERSION_MAX;
+  item = cJSON_GetObjectItem(json, "minVer");
+  if (cJSON_IsNumber(item)) {
+    file->minVer = item->valuedouble;
+  }
+
+  /* maxVer */
+  file->maxVer = VERSION_MIN;
+  item = cJSON_GetObjectItem(json, "maxVer");
+  if (cJSON_IsNumber(item)) {
+    file->maxVer = item->valuedouble;
+  }
   return 0;
 }
 
@@ -296,4 +320,4 @@ int32_t tsdbTFileObjCmpr(const STFileObj **fobj1, const STFileObj **fobj2) {
   } else {
     return 0;
   }
-}
\ No newline at end of file
+}