revise issue #124

src/modules/http/inc/httpJson.h

@@ -64,6 +64,7 @@ void httpJsonOriginString(JsonBuf* buf, char* sVal, int len);
 void httpJsonStringForTransMean(JsonBuf* buf, char* SVal, int maxLen);
 void httpJsonInt64(JsonBuf* buf, int64_t num);
 void httpJsonTimestamp(JsonBuf* buf, int64_t t);
+void httpJsonUtcTimestamp(JsonBuf* buf, int64_t t);
 void httpJsonInt(JsonBuf* buf, int num);
 void httpJsonFloat(JsonBuf* buf, float num);
 void httpJsonDouble(JsonBuf* buf, double num);

src/modules/http/inc/restJson.h

@@ -39,11 +39,16 @@
 #define REST_JSON_AFFECT_ROWS    "affected_rows"
 #define REST_JSON_AFFECT_ROWS_LEN 13
 
+#define REST_TIMESTAMP_FMT_LOCAL_STRING 0
+#define REST_TIMESTAMP_FMT_TIMESTAMP 1
+#define REST_TIMESTAMP_FMT_UTC_STRING 2
+
 void restBuildSqlAffectRowsJson(HttpContext *pContext, HttpSqlCmd *cmd, int affect_rows);
 
 void restStartSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result);
-bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows);
-bool restBuildSqlTimeJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows);
+bool restBuildSqlTimestampJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows);
+bool restBuildSqlLocalTimeStringJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows);
+bool restBuildSqlUtcTimeStringJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows);
 void restStopSqlJson(HttpContext *pContext, HttpSqlCmd *cmd);
 
 #endif
\ No newline at end of file

src/modules/http/src/httpJson.c

@@ -266,11 +266,24 @@ void httpJsonTimestamp(JsonBuf* buf, int64_t t) {
   struct tm* ptm;
   time_t     tt = t / 1000;
   ptm = localtime(&tt);
-  int length = (int)strftime(ts, 30, "%Y-%m-%dT%H:%M:%S", ptm);
+  int length = (int)strftime(ts, 30, "%Y-%m-%d %H:%M:%S", ptm);
 
-  snprintf(ts+length, MAX_NUM_STR_SZ, ".%03ldZ", t % 1000);
+  snprintf(ts+length, MAX_NUM_STR_SZ, ".%03ld", t % 1000);
 
-  httpJsonString(buf, ts, length + 5);
+  httpJsonString(buf, ts, length + 4);
+}
+
+void httpJsonUtcTimestamp(JsonBuf* buf, int64_t t) {
+  char ts[35] = {0};
+
+  struct tm *ptm;
+  time_t tt = t / 1000;
+  ptm = localtime(&tt);
+  int length = (int) strftime(ts, 35, "%Y-%m-%dT%H:%M:%S", ptm);
+  length += snprintf(ts + length, MAX_NUM_STR_SZ, ".%03ld", t % 1000);
+  length += (int) strftime(ts + length, 35 - length, "%z", ptm);
+
+  httpJsonString(buf, ts, length + 4);
 }
 
 void httpJsonInt(JsonBuf* buf, int num) {

src/modules/http/src/restHandle.c

@@ -18,10 +18,12 @@
 
 static HttpDecodeMethod restDecodeMethod = {"rest", restProcessRequest};
 static HttpDecodeMethod restDecodeMethod2 = {"restful", restProcessRequest};
-static HttpEncodeMethod restEncodeSqlMethod = {
-    restStartSqlJson, restStopSqlJson, restBuildSqlJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
-static HttpEncodeMethod restEncodeSqlTimeMethod = {
-    restStartSqlJson, restStopSqlJson, restBuildSqlTimeJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+static HttpEncodeMethod restEncodeSqlTimestampMethod = {
+    restStartSqlJson, restStopSqlJson, restBuildSqlTimestampJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+static HttpEncodeMethod restEncodeSqlLocalTimeStringMethod = {
+    restStartSqlJson, restStopSqlJson, restBuildSqlLocalTimeStringJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+static HttpEncodeMethod restEncodeSqlUtcTimeStringMethod = {
+    restStartSqlJson, restStopSqlJson, restBuildSqlUtcTimeStringJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
 
 void restInitHandle(HttpServer* pServer) {
   httpAddMethod(pServer, &restDecodeMethod);
@@ -55,7 +57,7 @@ bool restProcessLoginRequest(HttpContext* pContext) {
   return true;
 }
 
-bool restProcessSqlRequest(HttpContext* pContext, int isSqlT) {
+bool restProcessSqlRequest(HttpContext* pContext, int timestampFmt) {
   httpTrace("context:%p, fd:%d, ip:%s, user:%s, process restful sql msg", pContext, pContext->fd, pContext->ipstr,
             pContext->user);
 
@@ -74,10 +76,13 @@ bool restProcessSqlRequest(HttpContext* pContext, int isSqlT) {
   cmd->nativSql = sql;
 
   pContext->reqType = HTTP_REQTYPE_SINGLE_SQL;
-  if (!isSqlT)
-    pContext->encodeMethod = &restEncodeSqlMethod;
-  else
-    pContext->encodeMethod = &restEncodeSqlTimeMethod;
+  if (timestampFmt == REST_TIMESTAMP_FMT_LOCAL_STRING) {
+    pContext->encodeMethod = &restEncodeSqlLocalTimeStringMethod;
+  } else if (timestampFmt == REST_TIMESTAMP_FMT_TIMESTAMP) {
+    pContext->encodeMethod = &restEncodeSqlTimestampMethod;
+  } else if (timestampFmt == REST_TIMESTAMP_FMT_UTC_STRING) {
+    pContext->encodeMethod = &restEncodeSqlUtcTimeStringMethod;
+  }
 
   return true;
 }
@@ -94,9 +99,11 @@ bool restProcessRequest(struct HttpContext* pContext) {
   }
 
   if (httpUrlMatch(pContext, REST_ACTION_URL_POS, "sql")) {
-    return restProcessSqlRequest(pContext, 0);
+    return restProcessSqlRequest(pContext, REST_TIMESTAMP_FMT_LOCAL_STRING);
   } else if (httpUrlMatch(pContext, REST_ACTION_URL_POS, "sqlt")) {
-    return restProcessSqlRequest(pContext, 1);
+    return restProcessSqlRequest(pContext, REST_TIMESTAMP_FMT_TIMESTAMP);
+  } else if (httpUrlMatch(pContext, REST_ACTION_URL_POS, "sqlutc")) {
+    return restProcessSqlRequest(pContext, REST_TIMESTAMP_FMT_UTC_STRING);
   } else if (httpUrlMatch(pContext, REST_ACTION_URL_POS, "login")) {
     return restProcessLoginRequest(pContext);
   } else {

src/modules/http/src/restJson.c

@@ -85,7 +85,7 @@ void restStartSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result)
   httpJsonToken(jsonBuf, JsonArrStt);
 }
 
-bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows) {
+bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows, int timestampFormat) {
   JsonBuf *jsonBuf = httpMallocJsonBuf(pContext);
   if (jsonBuf == NULL) return false;
 
@@ -134,10 +134,13 @@ bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
           httpJsonStringForTransMean(jsonBuf, row[i], fields[i].bytes);
           break;
         case TSDB_DATA_TYPE_TIMESTAMP:
-          // httpJsonInt64(jsonBuf, *((int64_t *)row[i]));
-          // httpTimeToString(*((int64_t *)row[i]), timeBuf, 32);
-          // httpJsonString(jsonBuf, timeBuf, strlen(timeBuf));
-          httpJsonTimestamp(jsonBuf, *((int64_t *)row[i]));
+          if (timestampFormat == REST_TIMESTAMP_FMT_LOCAL_STRING) {
+            httpJsonTimestamp(jsonBuf, *((int64_t *)row[i]));
+          } else if (timestampFormat == REST_TIMESTAMP_FMT_TIMESTAMP) {
+            httpJsonInt64(jsonBuf, *((int64_t *)row[i]));
+          } else {
+            httpJsonUtcTimestamp(jsonBuf, *((int64_t *)row[i]));
+          }
           break;
         default:
           break;
@@ -167,70 +170,16 @@ bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
   }
 }
 
-bool restBuildSqlTimeJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows) {
-  JsonBuf *jsonBuf = httpMallocJsonBuf(pContext);
-  if (jsonBuf == NULL) return false;
-
-  cmd->numOfRows += numOfRows;
-
-  int         num_fields = taos_num_fields(result);
-  TAOS_FIELD *fields = taos_fetch_fields(result);
-
-  for (int i = 0; i < numOfRows; ++i) {
-    TAOS_ROW row = taos_fetch_row(result);
-
-    // data row array begin
-    httpJsonItemToken(jsonBuf);
-    httpJsonToken(jsonBuf, JsonArrStt);
-
-    for (int i = 0; i < num_fields; i++) {
-      httpJsonItemToken(jsonBuf);
-
-      if (row[i] == NULL) {
-        httpJsonOriginString(jsonBuf, "null", 4);
-        continue;
-      }
-
-      switch (fields[i].type) {
-        case TSDB_DATA_TYPE_BOOL:
-        case TSDB_DATA_TYPE_TINYINT:
-          httpJsonInt(jsonBuf, *((int8_t *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_SMALLINT:
-          httpJsonInt(jsonBuf, *((int16_t *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_INT:
-          httpJsonInt(jsonBuf, *((int32_t *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_BIGINT:
-          httpJsonInt64(jsonBuf, *((int64_t *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_FLOAT:
-          httpJsonFloat(jsonBuf, *((float *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_DOUBLE:
-          httpJsonDouble(jsonBuf, *((double *)row[i]));
-          break;
-        case TSDB_DATA_TYPE_BINARY:
-        case TSDB_DATA_TYPE_NCHAR:
-          httpJsonStringForTransMean(jsonBuf, row[i], fields[i].bytes);
-          break;
-        case TSDB_DATA_TYPE_TIMESTAMP:
-          httpJsonInt64(jsonBuf, *((int64_t *)row[i]));
-          // httpTimeToString(*((int64_t *)row[i]), timeBuf, 32);
-          // httpJsonString(jsonBuf, timeBuf, strlen(timeBuf));
-          // httpJsonTimestamp(jsonBuf, *((int64_t *)row[i]));
-          break;
-        default:
-          break;
-      }
-    }
+bool restBuildSqlTimestampJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows) {
+  return restBuildSqlJson(pContext,cmd, result, numOfRows, REST_TIMESTAMP_FMT_TIMESTAMP);
+}
 
-    // data row array end
-    httpJsonToken(jsonBuf, JsonArrEnd);
-  }
+bool restBuildSqlLocalTimeStringJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows) {
+  return restBuildSqlJson(pContext,cmd, result, numOfRows, REST_TIMESTAMP_FMT_LOCAL_STRING);
+}
 
-  return true;
+bool restBuildSqlUtcTimeStringJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result, int numOfRows) {
+  return restBuildSqlJson(pContext,cmd, result, numOfRows, REST_TIMESTAMP_FMT_UTC_STRING);
 }
 
 void restStopSqlJson(HttpContext *pContext, HttpSqlCmd *cmd) {