[TD-3086]<feature> tag support timestamp

src/client/src/tscSQLParser.c

@@ -6820,6 +6820,7 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
 
     // too long tag values will return invalid sql, not be truncated automatically
     SSchema  *pTagSchema = tscGetTableTagSchema(pStableMetaInfo->pTableMeta);
+    STableComInfo tinfo = tscGetTableInfo(pStableMetaInfo->pTableMeta);
     STagData *pTag = &pCreateTableInfo->tagdata;
 
     SKVRowBuilder kvRowBuilder = {0};
@@ -6869,8 +6870,12 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
                 tdDestroyKVRowBuilder(&kvRowBuilder);
                 return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg3);
               }
+            } else if (pSchema->type == TSDB_DATA_TYPE_TIMESTAMP) {
+              pItem->pVar.i64 = 
+                  convertTimePrecision(pItem->pVar.i64, TSDB_TIME_PRECISION_NANO, tinfo.precision);  
             }
 
+
             ret = tVariantDump(&(pItem->pVar), tagVal, pSchema->type, true);
 
             // check again after the convert since it may be converted from binary to nchar.
@@ -6915,8 +6920,12 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
             tdDestroyKVRowBuilder(&kvRowBuilder);
             return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg3);
           }
+        } else if (pSchema->type == TSDB_DATA_TYPE_TIMESTAMP) {
+          pItem->pVar.i64 = 
+            convertTimePrecision(pItem->pVar.i64, TSDB_TIME_PRECISION_NANO, tinfo.precision);  
         }
         
+
         ret = tVariantDump(&(pItem->pVar), tagVal, pSchema->type, true);
 
         // check again after the convert since it may be converted from binary to nchar.

src/inc/ttokendef.h

@@ -16,7 +16,6 @@
 #ifndef TDENGINE_TTOKENDEF_H
 #define TDENGINE_TTOKENDEF_H
 
-
 #define TK_ID                              1
 #define TK_BOOL                            2
 #define TK_TINYINT                         3
@@ -128,29 +127,29 @@
 #define TK_USING                          109
 #define TK_AS                             110
 #define TK_NULL                           111
-#define TK_SELECT                         112
-#define TK_UNION                          113
-#define TK_ALL                            114
-#define TK_DISTINCT                       115
-#define TK_FROM                           116
-#define TK_VARIABLE                       117
-#define TK_INTERVAL                       118
-#define TK_SESSION                        119
-#define TK_STATE_WINDOW                   120
-#define TK_FILL                           121
-#define TK_SLIDING                        122
-#define TK_ORDER                          123
-#define TK_BY                             124
-#define TK_ASC                            125
-#define TK_DESC                           126
-#define TK_GROUP                          127
-#define TK_HAVING                         128
-#define TK_LIMIT                          129
-#define TK_OFFSET                         130
-#define TK_SLIMIT                         131
-#define TK_SOFFSET                        132
-#define TK_WHERE                          133
-#define TK_NOW                            134
+#define TK_NOW                            112
+#define TK_SELECT                         113
+#define TK_UNION                          114
+#define TK_ALL                            115
+#define TK_DISTINCT                       116
+#define TK_FROM                           117
+#define TK_VARIABLE                       118
+#define TK_INTERVAL                       119
+#define TK_SESSION                        120
+#define TK_STATE_WINDOW                   121
+#define TK_FILL                           122
+#define TK_SLIDING                        123
+#define TK_ORDER                          124
+#define TK_BY                             125
+#define TK_ASC                            126
+#define TK_DESC                           127
+#define TK_GROUP                          128
+#define TK_HAVING                         129
+#define TK_LIMIT                          130
+#define TK_OFFSET                         131
+#define TK_SLIMIT                         132
+#define TK_SOFFSET                        133
+#define TK_WHERE                          134
 #define TK_RESET                          135
 #define TK_QUERY                          136
 #define TK_SYNCDB                         137
@@ -207,11 +206,6 @@
 #define TK_VALUES                         188
 
 
-
-
-
-
-
 #define TK_SPACE                          300
 #define TK_COMMENT                        301
 #define TK_ILLEGAL                        302