[TD-6001]<enhance>: use db_name in url if exists

src/client/CMakeLists.txt

@@ -4,6 +4,7 @@ PROJECT(TDengine)
 INCLUDE_DIRECTORIES(inc)
 INCLUDE_DIRECTORIES(jni)
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/query/inc)
+INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/plugins/http/inc)
 AUX_SOURCE_DIRECTORY(src SRC)
 
 IF (TD_LINUX)

src/client/inc/tsclient.h

@@ -38,6 +38,11 @@ extern "C" {
 #include "qUtil.h"
 #include "tcmdtype.h"
 
+typedef enum {
+  TAOS_REQ_FROM_SHELL,
+  TAOS_REQ_FROM_HTTP
+} SReqOrigin;
+
 // forward declaration
 struct SSqlInfo;
 
@@ -340,6 +345,7 @@ typedef struct STscObj {
   SRpcCorEpSet      *tscCorMgmtEpSet;
   pthread_mutex_t    mutex;
   int32_t            numOfObj; // number of sqlObj from this tscObj
+  SReqOrigin         from;
 } STscObj;
 
 typedef struct SSubqueryState {

src/client/src/tscSQLParser.c

@@ -40,6 +40,7 @@
 #include "qScript.h"
 #include "ttype.h"
 #include "qFilter.h"
+#include "httpInt.h"
 
 #define DEFAULT_PRIMARY_TIMESTAMP_COL_NAME "_c0"
 
@@ -1687,8 +1688,28 @@ static bool has(SArray* pFieldList, int32_t startIdx, const char* name) {
 static char* getAccountId(SSqlObj* pSql) { return pSql->pTscObj->acctId; }
 
 static char* cloneCurrentDBName(SSqlObj* pSql) {
+  char        *p = NULL;
+  HttpContext *pCtx = NULL;
+
   pthread_mutex_lock(&pSql->pTscObj->mutex);
-  char *p = strdup(pSql->pTscObj->db);  
+  STscObj *pTscObj = pSql->pTscObj;
+  switch (pTscObj->from) {
+  case TAOS_REQ_FROM_HTTP:
+    pCtx = pSql->param;
+    if (pCtx && pCtx->db[0] != '\0') {
+      char db[TSDB_ACCT_ID_LEN + TSDB_DB_NAME_LEN] = {0};
+      int32_t len = sprintf(db, "%s%s%s", pTscObj->acctId, TS_PATH_DELIMITER, pCtx->db);
+      assert(len <= sizeof(db));
+
+      p = strdup(db);
+    }
+    break;
+  default:
+    break;
+  }
+  if (p == NULL) {
+    p = strdup(pSql->pTscObj->db);
+  }
   pthread_mutex_unlock(&pSql->pTscObj->mutex);
 
   return p;
@@ -8685,7 +8706,6 @@ static STableMeta* extractTempTableMetaFromSubquery(SQueryInfo* pUpstream) {
   }
   info->numOfColumns = n;
 
-
   return meta;
 }
 

src/plugins/http/inc/httpInt.h

@@ -150,6 +150,7 @@ typedef struct HttpContext {
   char         ipstr[22];
   char         user[TSDB_USER_LEN];  // parsed from auth token or login message
   char         pass[HTTP_PASSWORD_LEN];
+  char         db[/*TSDB_ACCT_ID_LEN + */TSDB_DB_NAME_LEN];
   TAOS *       taos;
   void *       ppContext;
   HttpSession *session;

src/plugins/http/inc/httpRestHandle.h

@@ -24,7 +24,7 @@
 
 #define REST_ROOT_URL_POS         0
 #define REST_ACTION_URL_POS       1
-#define REST_USER_URL_POS   2
+#define REST_USER_USEDB_URL_POS   2
 #define REST_PASS_URL_POS         3
 
 void restInitHandle(HttpServer* pServer);

src/plugins/http/src/httpRestHandle.c

@@ -62,11 +62,11 @@ void restInitHandle(HttpServer* pServer) {
 
 bool restGetUserFromUrl(HttpContext* pContext) {
   HttpParser* pParser = pContext->parser;
-  if (pParser->path[REST_USER_URL_POS].pos >= TSDB_USER_LEN || pParser->path[REST_USER_URL_POS].pos <= 0) {
+  if (pParser->path[REST_USER_USEDB_URL_POS].pos >= TSDB_USER_LEN || pParser->path[REST_USER_USEDB_URL_POS].pos <= 0) {
     return false;
   }
 
-  tstrncpy(pContext->user, pParser->path[REST_USER_URL_POS].str, TSDB_USER_LEN);
+  tstrncpy(pContext->user, pParser->path[REST_USER_USEDB_URL_POS].str, TSDB_USER_LEN);
   return true;
 }
 
@@ -107,6 +107,16 @@ bool restProcessSqlRequest(HttpContext* pContext, int32_t timestampFmt) {
   HttpSqlCmd* cmd = &(pContext->singleCmd);
   cmd->nativSql = sql;
 
+  /* find if there is db_name in url */
+  pContext->db[0] = '\0';
+
+  HttpString *path = &pContext->parser->path[REST_USER_USEDB_URL_POS];
+  if (path->pos > 0 && !(strlen(sql) > 4 && (sql[0] == 'u' || sql[0] == 'U') &&
+      (sql[1] == 's' || sql[1] == 'S') && (sql[2] == 'e' || sql[2] == 'E') && sql[3] == ' '))
+  {
+    snprintf(pContext->db, /*TSDB_ACCT_ID_LEN + */TSDB_DB_NAME_LEN, "%s", path->str);
+  }
+
   pContext->reqType = HTTP_REQTYPE_SINGLE_SQL;
   if (timestampFmt == REST_TIMESTAMP_FMT_LOCAL_STRING) {
     pContext->encodeMethod = &restEncodeSqlLocalTimeStringMethod;

src/plugins/http/src/httpSql.c

@@ -419,6 +419,11 @@ void httpProcessRequest(HttpContext *pContext) {
                    &(pContext->taos));
     httpDebug("context:%p, fd:%d, user:%s, try connect tdengine, taos:%p", pContext, pContext->fd, pContext->user,
               pContext->taos);
+
+    if (pContext->taos != NULL) {
+      STscObj *pObj = pContext->taos;
+      pObj->from = TAOS_REQ_FROM_HTTP;
+    }
   } else {
     httpExecCmd(pContext);
   }