diff --git a/src/sql/engine/expr/ob_expr_merge_result_type.map b/src/sql/engine/expr/ob_expr_merge_result_type.map
index 547a234b59..73d7de646f 100644
--- a/src/sql/engine/expr/ob_expr_merge_result_type.map
+++ b/src/sql/engine/expr/ob_expr_merge_result_type.map
@@ -1809,7 +1809,7 @@ static ObObjType MERGE_RESULT_TYPE[ObMaxType][ObMaxType] = {
         ObNCharType,      /*ObEnumInnerType=>ObNCharType       */
         ObMaxType,        /*ObEnumInnerType=>URowID*/
         ObMaxType,        /*ObEnumInnerType=>ObLobType*/
-        ObMaxType,        /*ObEnumInnerType=>ObJsonType*/
+        ObVarcharType,    /*ObEnumInnerType=>ObJsonType*/
     },
     /*ObSetInnerType*/
     {
@@ -1860,7 +1860,7 @@ static ObObjType MERGE_RESULT_TYPE[ObMaxType][ObMaxType] = {
         ObNCharType,      /*ObSetInnerType=>ObNCharType       */
         ObMaxType,        /*ObSetInnerType=>URowID*/
         ObMaxType,        /*ObSetInnerType=>ObLobType*/
-        ObMaxType,        /*ObSetInnerType=>ObJsonType*/
+        ObVarcharType,    /*ObSetInnerType=>ObJsonType*/
     },
     /*ObTimestampTZType*/
     {
@@ -2460,8 +2460,8 @@ static ObObjType MERGE_RESULT_TYPE[ObMaxType][ObMaxType] = {
         ObJsonType,     /* ObJsonType=>ObBitType  */
         ObVarcharType,  /* ObJsonType=>ObEnumType  */
         ObVarcharType,  /* ObJsonType=>ObSetType  */
-        ObMaxType,     /* ObJsonType=>ObEnumInnerType  */
-        ObMaxType,     /* ObJsonType=>ObSetInnerType  */
+        ObVarcharType,  /* ObJsonType=>ObEnumInnerType  */
+        ObVarcharType,  /* ObJsonType=>ObSetInnerType  */
         ObMaxType,     /* ObJsonType=>ObTimestampTZType  */
         ObMaxType,     /* ObJsonType=>ObTimestampLTZType  */
         ObMaxType,     /* ObJsonType=>ObTimestampNanoType  */
diff --git a/src/sql/engine/expr/ob_expr_relational_cmp_type.map b/src/sql/engine/expr/ob_expr_relational_cmp_type.map
index a5ddbd6e51..713c2394f7 100644
--- a/src/sql/engine/expr/ob_expr_relational_cmp_type.map
+++ b/src/sql/engine/expr/ob_expr_relational_cmp_type.map
@@ -1830,7 +1830,7 @@ static ObObjType RELATIONAL_CMP_TYPE[ObMaxType][ObMaxType] =
     ObVarcharType,          /* ObNCharType */
     ObNullType,         /* ObURowIDType */
     ObNullType,         /* ObLobType */
-    ObMaxType,       /* ObJsonType */
+    ObNumberType,       /* ObJsonType */
   },
   /*SetInnerType*/
   {
@@ -1881,7 +1881,7 @@ static ObObjType RELATIONAL_CMP_TYPE[ObMaxType][ObMaxType] =
     ObVarcharType,          /* ObNCharType */
     ObNullType,         /* ObURowIDType */
     ObNullType,         /* ObLobType */
-    ObMaxType,       /* ObJsonType */
+    ObNumberType,       /* ObJsonType */
   },
   /*ObTimestampTZType*/
   {
@@ -2481,8 +2481,8 @@ static ObObjType RELATIONAL_CMP_TYPE[ObMaxType][ObMaxType] =
     ObJsonType,      /*BitType*/
     ObNumberType,     /* EnumType  */
     ObNumberType,     /* SetType  */
-    ObMaxType,     /* EnumInnerType  */
-    ObMaxType,     /* SetInnerType  */
+    ObNumberType,     /* EnumInnerType  */
+    ObNumberType,     /* SetInnerType  */
     ObTimestampTZType,    /* ObTimestampTZType */
     ObTimestampLTZType,   /* ObTimestampLTZType */
     ObTimestampNanoType,  /* ObTimestampNanoType */