Merge pull request #23021 from taosdata/szhou/star-tbname

feature: bi tools support star expansion to include tbname

include/libs/nodes/nodes.h

@@ -124,6 +124,7 @@ int32_t    nodesListStrictAppendList(SNodeList* pTarget, SNodeList* pSrc);
 int32_t    nodesListPushFront(SNodeList* pList, SNode* pNode);
 SListCell* nodesListErase(SNodeList* pList, SListCell* pCell);
 void       nodesListInsertList(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc);
+void       nodesListInsertListAfterPos(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc);
 SNode*     nodesListGetNode(SNodeList* pList, int32_t index);
 SListCell* nodesListGetCell(SNodeList* pList, int32_t index);
 void       nodesDestroyList(SNodeList* pList);

include/libs/nodes/querynodes.h

@@ -536,6 +536,9 @@ int32_t nodesMergeConds(SNode** pDst, SNodeList** pSrc);
 const char* operatorTypeStr(EOperatorType type);
 const char* logicConditionTypeStr(ELogicConditionType type);
 
+bool nodesIsStar(SNode* pNode);
+bool nodesIsTableStar(SNode* pNode);
+
 #ifdef __cplusplus
 }
 #endif

include/libs/parser/parser.h

@@ -64,7 +64,7 @@ typedef struct SParseContext {
   SArray*          pTableMetaPos;    // sql table pos => catalog data pos
   SArray*          pTableVgroupPos;  // sql table pos => catalog data pos
   int64_t          allocatorId;
-  int32_t          biMode;
+  int8_t           biMode;
 } SParseContext;
 
 int32_t qParseSql(SParseContext* pCxt, SQuery** pQuery);

source/libs/nodes/src/nodesUtilFuncs.c

@@ -1595,6 +1595,26 @@ void nodesListInsertList(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc) {
   nodesFree(pSrc);
 }
 
+void nodesListInsertListAfterPos(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc) {
+  if (NULL == pTarget || NULL == pPos || NULL == pSrc || NULL == pSrc->pHead) {
+    return;
+  }
+
+  if (NULL == pPos->pNext) {
+    pTarget->pTail = pSrc->pHead;
+  } else {
+    pPos->pNext->pPrev = pSrc->pHead;
+  }
+
+  pSrc->pHead->pPrev = pPos;
+  pSrc->pTail->pNext = pPos->pNext;
+
+  pPos->pNext = pSrc->pHead;
+  
+  pTarget->length += pSrc->length;
+  nodesFree(pSrc);  
+}
+
 SNode* nodesListGetNode(SNodeList* pList, int32_t index) {
   SNode* node;
   FOREACH(node, pList) {
@@ -2317,4 +2337,14 @@ SValueNode* nodesMakeValueNodeFromBool(bool b) {
     pValNode->isNull = false;
   }
   return pValNode;
+}
+
+bool nodesIsStar(SNode* pNode) {
+  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]) &&
+         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
+}
+
+bool nodesIsTableStar(SNode* pNode) {
+  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' != ((SColumnNode*)pNode)->tableAlias[0]) &&
+         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
 }

source/libs/parser/CMakeLists.txt

@@ -1,4 +1,7 @@
 aux_source_directory(src PARSER_SRC)
+IF (TD_BI_SUPPORT)
+  LIST(APPEND PARSER_SRC ${TD_ENTERPRISE_DIR}/src/plugins/bi/src/biRewriteQuery.c)
+ENDIF ()
 add_library(parser STATIC ${PARSER_SRC})
 target_include_directories(
         parser

source/libs/parser/inc/parInt.h

@@ -36,7 +36,6 @@ int32_t extractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pS
 int32_t calculateConstant(SParseContext* pParseCxt, SQuery* pQuery);
 int32_t translatePostCreateStream(SParseContext* pParseCxt, SQuery* pQuery, void** pResRow);
 int32_t translatePostCreateSmaIndex(SParseContext* pParseCxt, SQuery* pQuery, void** pResRow);
-
 #ifdef __cplusplus
 }
 #endif

source/libs/parser/inc/parTranslater.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TD_PARSER_TRANS_H_
+#define _TD_PARSER_TRANS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "parToken.h"
+#include "parUtil.h"
+#include "parser.h"
+
+typedef struct STranslateContext {
+  SParseContext*   pParseCxt;
+  int32_t          errCode;
+  SMsgBuf          msgBuf;
+  SArray*          pNsLevel;  // element is SArray*, the element of this subarray is STableNode*
+  int32_t          currLevel;
+  int32_t          levelNo;
+  ESqlClause       currClause;
+  SNode*           pCurrStmt;
+  SCmdMsgInfo*     pCmdMsg;
+  SHashObj*        pDbs;
+  SHashObj*        pTables;
+  SHashObj*        pTargetTables;
+  SExplainOptions* pExplainOpt;
+  SParseMetaCache* pMetaCache;
+  bool             createStream;
+  bool             stableQuery;
+  bool             showRewrite;
+  SNode*           pPrevRoot;
+  SNode*           pPostRoot;
+} STranslateContext;
+
+int32_t biRewriteSelectStar(STranslateContext* pCxt, SSelectStmt* pSelect);
+int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TD_PARSER_TRANS_H_*/

source/libs/parser/src/parTranslater.c

@@ -14,6 +14,7 @@
  */
 
 #include "parInt.h"
+#include "parTranslater.h"
 
 #include "catalog.h"
 #include "cmdnodes.h"
@@ -35,28 +36,6 @@ typedef struct SRewriteTbNameContext {
   char*   pTbName;
 } SRewriteTbNameContext;
 
-typedef struct STranslateContext {
-  SParseContext*   pParseCxt;
-  int32_t          errCode;
-  SMsgBuf          msgBuf;
-  SArray*          pNsLevel;  // element is SArray*, the element of this subarray is STableNode*
-  int32_t          currLevel;
-  int32_t          levelNo;
-  ESqlClause       currClause;
-  SNode*           pCurrStmt;
-  SCmdMsgInfo*     pCmdMsg;
-  SHashObj*        pDbs;
-  SHashObj*        pTables;
-  SHashObj*        pTargetTables;
-  SExplainOptions* pExplainOpt;
-  SParseMetaCache* pMetaCache;
-  bool             createStream;
-  bool             stableQuery;
-  bool             showRewrite;
-  SNode*           pPrevRoot;
-  SNode*           pPostRoot;
-} STranslateContext;
-
 typedef struct SBuildTopicContext {
   bool        colExists;
   bool        colNotFound;
@@ -1419,7 +1398,7 @@ static EDealRes haveVectorFunction(SNode* pNode, void* pContext) {
   return DEAL_RES_CONTINUE;
 }
 
-static int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput) {
+int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput) {
   SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
   size_t  nums = taosArrayGetSize(pTables);
   for (size_t i = 0; i < nums; ++i) {
@@ -1810,17 +1789,8 @@ static int32_t translateBlockDistFunc(STranslateContext* pCtx, SFunctionNode* pF
   return TSDB_CODE_SUCCESS;
 }
 
-static bool isStar(SNode* pNode) {
-  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]) &&
-         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
-}
 
-static bool isTableStar(SNode* pNode) {
+static bool isStarParam(SNode* pNode) { return nodesIsStar(pNode) || nodesIsTableStar(pNode); }
-  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' != ((SColumnNode*)pNode)->tableAlias[0]) &&
-         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
-}
-
-static bool isStarParam(SNode* pNode) { return isStar(pNode) || isTableStar(pNode); }
 
 static int32_t translateMultiResFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
   if (!fmIsMultiResFunc(pFunc->funcId)) {
@@ -2857,7 +2827,7 @@ static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
   return code;
 }
 
-static int32_t createAllColumns(STranslateContext* pCxt, bool igTags, SNodeList** pCols) {
+static int32_t  createAllColumns(STranslateContext* pCxt, bool igTags, SNodeList** pCols) {
   *pCols = nodesMakeList();
   if (NULL == *pCols) {
     return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
@@ -2938,9 +2908,9 @@ static int32_t createMultiResFuncsParas(STranslateContext* pCxt, SNodeList* pSrc
   SNodeList* pExprs = NULL;
   SNode*     pPara = NULL;
   FOREACH(pPara, pSrcParas) {
-    if (isStar(pPara)) {
+    if (nodesIsStar(pPara)) {
       code = createAllColumns(pCxt, true, &pExprs);
-    } else if (isTableStar(pPara)) {
+    } else if (nodesIsTableStar(pPara)) {
       code = createTableAllCols(pCxt, (SColumnNode*)pPara, true, &pExprs);
     } else {
       code = nodesListMakeStrictAppend(&pExprs, nodesCloneNode(pPara));
@@ -3022,11 +2992,18 @@ static int32_t createTags(STranslateContext* pCxt, SNodeList** pOutput) {
   return TSDB_CODE_SUCCESS;
 }
 
+
+#ifndef TD_ENTERPRISE
+int32_t biRewriteSelectStar(STranslateContext* pCxt, SSelectStmt* pSelect) {
+  return TSDB_CODE_SUCCESS;
+}
+#endif
+
 static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect) {
   SNode* pNode = NULL;
   WHERE_EACH(pNode, pSelect->pProjectionList) {
     int32_t code = TSDB_CODE_SUCCESS;
-    if (isStar(pNode)) {
+    if (nodesIsStar(pNode)) {
       SNodeList* pCols = NULL;
       code = createAllColumns(pCxt, false, &pCols);
       if (TSDB_CODE_SUCCESS == code) {
@@ -3046,7 +3023,7 @@ static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect) {
         ERASE_NODE(pSelect->pProjectionList);
         continue;
       }
-    } else if (isTableStar(pNode)) {
+    } else if (nodesIsTableStar(pNode)) {
       SNodeList* pCols = NULL;
       code = createTableAllCols(pCxt, (SColumnNode*)pNode, false, &pCols);
       if (TSDB_CODE_SUCCESS == code) {
@@ -3935,6 +3912,9 @@ static int32_t translateSelectFrom(STranslateContext* pCxt, SSelectStmt* pSelect
   if (TSDB_CODE_SUCCESS == code) {
     code = translateHaving(pCxt, pSelect);
   }
+  if (TSDB_CODE_SUCCESS == code && pCxt->pParseCxt->biMode != 0) {
+    code = biRewriteSelectStar(pCxt, pSelect);
+  }
   if (TSDB_CODE_SUCCESS == code) {
     code = translateSelectList(pCxt, pSelect);
   }
@@ -9537,11 +9517,6 @@ static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t rewriteQueryForBI(STranslateContext* pParseCxt, SQuery* pQuery) {
-
-  return TSDB_CODE_SUCCESS;
-}
-
 int32_t translate(SParseContext* pParseCxt, SQuery* pQuery, SParseMetaCache* pMetaCache) {
   STranslateContext cxt = {0};
 
@@ -9549,13 +9524,9 @@ int32_t translate(SParseContext* pParseCxt, SQuery* pQuery, SParseMetaCache* pMe
   if (TSDB_CODE_SUCCESS == code) {
     code = rewriteQuery(&cxt, pQuery);
   }
-  if (TSDB_CODE_SUCCESS == code && pParseCxt->biMode != 0) {
-    code = rewriteQueryForBI(&cxt, pQuery);
-  }
   if (TSDB_CODE_SUCCESS == code) {
     code = translateQuery(&cxt, pQuery->pRoot);
   }
-
   if (TSDB_CODE_SUCCESS == code && (cxt.pPrevRoot || cxt.pPostRoot)) {
     pQuery->pPrevRoot = cxt.pPrevRoot;
     pQuery->pPostRoot = cxt.pPostRoot;

tests/parallel_test/cases.task

@@ -1020,6 +1020,7 @@
 ,,y,script,./test.sh -f tsim/query/partitionby.sim
 ,,y,script,./test.sh -f tsim/query/tableCount.sim 
 ,,y,script,./test.sh -f tsim/query/show_db_table_kind.sim 
+,,y,script,./test.sh -f tsim/query/bi_star_table.sim 
 ,,y,script,./test.sh -f tsim/query/tag_scan.sim 
 ,,y,script,./test.sh -f tsim/query/nullColSma.sim
 ,,y,script,./test.sh -f tsim/query/bug3398.sim

tests/script/tsim/parser/limit.sim

@@ -40,16 +40,19 @@ while $i < $halfNum
     $c = $x / 10
     $c = $c * 10
     $c = $x - $c
+    $c2 = $c
     $binary = 'binary . $c
     $binary = $binary . '
     $nchar = 'nchar . $c
     $nchar = $nchar . '
 
     $ts = $ts + $i
+    print insert into $tb values ( $ts , $c , $c , $c , $c , $c , $c , true, $binary , $nchar ) 
     sql insert into $tb values ( $ts , $c , $c , $c , $c , $c , $c , true, $binary , $nchar )
 
     $ts = $ts + $halfNum
-    sql insert into $tb1 values ( $ts , $c , NULL , $c , NULL , $c , $c , true, $binary , $nchar )
+    print insert into $tb1 values ( $ts , $c2 , NULL , $c2 , NULL , $c2 , $c2 , true, $binary , $nchar )
+    sql insert into $tb1 values ( $ts , $c2 , NULL , $c2 , NULL , $c2 , $c2 , true, $binary , $nchar )
     $x = $x + 1
   endw
 

tests/script/tsim/parser/limit_stb.sim

@@ -32,11 +32,13 @@ sql select * from $stb limit 5
 if $rows != 5 then
   return -1
 endi
-sql select * from $stb limit 5 offset 1
+print select * from $stb order by ts limit 5 offset 1
+sql select * from $stb order by ts limit 5 offset 1
 if $rows != 5 then
   return -1
 endi
-if $data01 != 1 then
+print $data01 $data41
+if $data01 != 0 then
   return -1
 endi
 #if $data41 != 5 then
@@ -48,10 +50,12 @@ if $rows != 5 then
   return -1
 endi
 
+print  select * from $stb order by ts desc limit 5 offset 1
 sql select * from $stb order by ts desc limit 5 offset 1
 if $rows != 5 then
   return -1
 endi
+print $data01 $data11 $data41
 if $data01 != 9 then
   return -1
 endi

tests/script/tsim/query/bi_star_table.sim

@@ -0,0 +1,111 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/exec.sh -n dnode1 -s start
+sql connect
+
+sql drop database if exists db1;
+sql create database db1 vgroups 3;
+sql create database db1;
+sql use db1;
+sql create stable sta (ts timestamp, f1 int, f2 binary(200)) tags(t1 int, t2 int, t3 int);
+sql create stable stb (ts timestamp, f1 int, f2 binary(200)) tags(t1 int, t2 int, t3 int);
+sql create table tba1 using sta tags(1, 1, 1);
+sql create table tba2 using sta tags(2, 2, 2);
+sql insert into tba1 values(now, 1, "1");
+sql insert into tba2 values(now + 1s, 2, "2");
+sql create table tbn1 (ts timestamp, f1 int);
+sql create database db2 vgroups 3;
+sql create database db2;
+sql use db2;
+sql create stable sta (ts timestamp, f1 int, f2 binary(200)) tags(t1 int, t2 int, t3 int);
+sql create stable stb (ts timestamp, f1 int, f2 binary(200)) tags(t1 int, t2 int, t3 int);
+sql create table tba1 using sta tags(1, 1, 1);
+sql create table tba2 using sta tags(2, 2, 2);
+
+set_bi_mode 1
+sql select * from db1.sta order by ts;
+if $cols != 7 then
+  return -1
+endi
+
+if $data06 != tba1 then
+  return -1
+endi
+
+sql select last(*) from db1.sta;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba2 then
+    return -1
+endi
+
+sql select last_row(*) from db1.sta;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba2 then
+    return -1
+endi
+
+sql select first(*) from db1.sta;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba1 then
+    return -1
+endi
+
+print "=====table star ====================="
+
+sql select b.* from db1.sta b order by ts;
+if $cols != 7 then
+  return -1
+endi
+
+if $data06 != tba1 then
+  return -1
+endi
+
+sql select last(b.*) from db1.sta b;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba2 then
+    return -1
+endi
+
+sql select last_row(b.*) from db1.sta b;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba2 then
+    return -1
+endi
+
+sql select first(b.*) from db1.sta b;
+if $cols != 4 then
+    return -1
+endi
+
+if $data03 != tba1 then
+    return -1
+endi
+
+sql select * from (select f1 from db1.sta);
+if $cols != 1 then
+  return -1
+endi
+
+set_bi_mode 0
+sql select * from db1.sta order by ts;
+if $cols != 6 then
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT

utils/tsim/inc/simInt.h

@@ -123,6 +123,7 @@ enum {
   SIM_CMD_RETURN,
   SIM_CMD_LINE_INSERT,
   SIM_CMD_LINE_INSERT_ERROR,
+  SIM_CMD_SET_BI_MODE,
   SIM_CMD_END
 };
 
@@ -161,6 +162,7 @@ typedef struct _script_t {
   bool              killed;
   void             *taos;
   char              rows[12];                                                         // number of rows data retrieved
+  char              cols[12];                                                        // number of columns data retrieved
   char              data[MAX_QUERY_ROW_NUM][MAX_QUERY_COL_NUM][MAX_QUERY_VALUE_LEN];  // query results
   char              system_exit_code[12];
   char              system_ret_content[MAX_SYSTEM_RESULT_LEN];
@@ -210,6 +212,7 @@ bool     simExecuteSqlSlowCmd(SScript *script, char *option);
 bool     simExecuteRestfulCmd(SScript *script, char *rest);
 bool     simExecuteLineInsertCmd(SScript *script, char *option);
 bool     simExecuteLineInsertErrorCmd(SScript *script, char *option);
+bool     simExecuteSetBIModeCmd(SScript *script, char *option);
 void     simVisuallizeOption(SScript *script, char *src, char *dst);
 
 #endif /*_TD_SIM_INT_H_*/

utils/tsim/src/simExe.c

@@ -93,6 +93,8 @@ char *simGetVariable(SScript *script, char *varName, int32_t varLen) {
 
   if (strncmp(varName, "rows", varLen) == 0) return script->rows;
 
+  if (strncmp(varName, "cols", varLen) == 0) return script->cols;
+
   if (strncmp(varName, "system_exit", varLen) == 0) return script->system_exit_code;
 
   if (strncmp(varName, "system_content", varLen) == 0) return script->system_ret_content;
@@ -502,6 +504,26 @@ bool simExecuteSystemContentCmd(SScript *script, char *option) {
   return true;
 }
 
+bool simExecuteSetBIModeCmd(SScript *script, char *option) {
+  char    buf[1024];
+
+  simVisuallizeOption(script, option, buf);
+  option = buf;
+
+  int32_t mode = atoi(option);
+
+  simInfo("script:%s, set bi mode %d", script->fileName, mode);
+
+  if (mode != 0) {
+    taos_set_conn_mode(script->taos, TAOS_CONN_MODE_BI, 1);
+  } else {
+    taos_set_conn_mode(script->taos, TAOS_CONN_MODE_BI, 0);
+  }
+
+  script->linePos++;
+  return true;
+}
+
 bool simExecutePrintCmd(SScript *script, char *rest) {
   char buf[65536];
 
@@ -808,6 +830,7 @@ bool simExecuteNativeSqlCommand(SScript *script, char *rest, bool isSlow) {
 
   taos_free_result(pSql);
   sprintf(script->rows, "%d", numOfRows);
+  sprintf(script->cols, "%d", num_fields);
 
   script->linePos++;
   return true;
@@ -822,6 +845,7 @@ bool simExecuteSqlImpCmd(SScript *script, char *rest, bool isSlow) {
 
   simDebug("script:%s, exec:%s", script->fileName, rest);
   strcpy(script->rows, "-1");
+  strcpy(script->cols, "-1");
   for (int32_t row = 0; row < MAX_QUERY_ROW_NUM; ++row) {
     for (int32_t col = 0; col < MAX_QUERY_COL_NUM; ++col) {
       strcpy(script->data[row][col], "null");
@@ -918,6 +942,7 @@ bool simExecuteSqlErrorCmd(SScript *script, char *rest) {
 
   simDebug("script:%s, exec:%s", script->fileName, rest);
   strcpy(script->rows, "-1");
+  strcpy(script->cols, "-1");
   for (int32_t row = 0; row < MAX_QUERY_ROW_NUM; ++row) {
     for (int32_t col = 0; col < MAX_QUERY_COL_NUM; ++col) {
       strcpy(script->data[row][col], "null");

utils/tsim/src/simParse.c

@@ -745,6 +745,25 @@ bool simParseSystemContentCmd(char *rest, SCommand *pCmd, int32_t lineNum) {
   return true;
 }
 
+bool simParseSetBIModeCmd(char *rest, SCommand *pCmd, int32_t lineNum) {
+  char   *token;
+  int32_t tokenLen;
+
+  cmdLine[numOfLines].cmdno = SIM_CMD_SET_BI_MODE;
+  cmdLine[numOfLines].lineNum = lineNum;
+
+  paGetToken(rest, &token, &tokenLen);
+  if (tokenLen > 0) {
+    cmdLine[numOfLines].optionOffset = optionOffset;
+    memcpy(optionBuffer + optionOffset, token, tokenLen);
+    optionOffset += tokenLen + 1;
+    *(optionBuffer + optionOffset - 1) = 0;
+  }
+
+  numOfLines++;
+  return true;
+}
+
 bool simParseSleepCmd(char *rest, SCommand *pCmd, int32_t lineNum) {
   char   *token;
   int32_t tokenLen;
@@ -1074,6 +1093,14 @@ void simInitsimCmdList() {
   simCmdList[cmdno].executeCmd = simExecuteReturnCmd;
   simAddCmdIntoHash(&(simCmdList[cmdno]));
 
+  cmdno = SIM_CMD_SET_BI_MODE;
+  simCmdList[cmdno].cmdno = cmdno;
+  strcpy(simCmdList[cmdno].name, "set_bi_mode");
+  simCmdList[cmdno].nlen = (int16_t)strlen(simCmdList[cmdno].name);
+  simCmdList[cmdno].parseCmd = simParseSetBIModeCmd;
+  simCmdList[cmdno].executeCmd = simExecuteSetBIModeCmd;
+  simAddCmdIntoHash(&(simCmdList[cmdno]));
+
 #if 0
   cmdno = SIM_CMD_LINE_INSERT;
   simCmdList[cmdno].cmdno = cmdno;