fix: show table distributed only works on super table, child table, and normal table

include/libs/function/functionMgt.h

@@ -218,6 +218,7 @@ bool fmIsKeepOrderFunc(int32_t funcId);
 bool fmIsCumulativeFunc(int32_t funcId);
 bool fmIsInterpPseudoColumnFunc(int32_t funcId);
 bool fmIsGroupKeyFunc(int32_t funcId);
+bool fmIsBlockDistFunc(int32_t funcId);
 
 void getLastCacheDataType(SDataType* pType);
 

source/libs/function/src/functionMgt.c

@@ -262,6 +262,13 @@ bool fmIsGroupKeyFunc(int32_t funcId) {
   return FUNCTION_TYPE_GROUP_KEY == funcMgtBuiltins[funcId].type;
 }
 
+bool fmIsBlockDistFunc(int32_t funcId) {
+  if (funcId < 0 || funcId >= funcMgtBuiltinsNum) {
+    return false;
+  }
+  return FUNCTION_TYPE_BLOCK_DIST == funcMgtBuiltins[funcId].type;
+}
+
 void fmFuncMgtDestroy() {
   void* m = gFunMgtService.pFuncNameHashTable;
   if (m != NULL && atomic_val_compare_exchange_ptr((void**)&gFunMgtService.pFuncNameHashTable, m, 0) == m) {

source/libs/parser/src/parTranslater.c

@@ -1558,6 +1558,26 @@ static int32_t translateRepeatScanFunc(STranslateContext* pCxt, SFunctionNode* p
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t translateBlockDistFunc(STranslateContext* pCtx, SFunctionNode* pFunc) {
+  if (!fmIsBlockDistFunc(pFunc->funcId)) {
+    return TSDB_CODE_SUCCESS;
+  }
+  if (!isSelectStmt(pCtx->pCurrStmt)) {
+    return generateSyntaxErrMsgExt(&pCtx->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
+                                   "%s is only supported in single table query", pFunc->functionName);
+  }
+  SSelectStmt* pSelect = (SSelectStmt*)pCtx->pCurrStmt;
+  SNode*       pTable = pSelect->pFromTable;
+  if (NULL != pTable && (QUERY_NODE_REAL_TABLE != nodeType(pTable) ||
+                         (TSDB_SUPER_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
+                          TSDB_CHILD_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
+                          TSDB_NORMAL_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType))) {
+    return generateSyntaxErrMsgExt(&pCtx->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
+                                   "%s is only supported on super table, child table or normal table", pFunc->functionName);
+  }
+  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, "*"));
@@ -1717,7 +1737,7 @@ static int32_t rewriteSystemInfoFunc(STranslateContext* pCxt, SNode** pNode) {
   return TSDB_CODE_PAR_INTERNAL_ERROR;
 }
 
-static int32_t translateNoramlFunction(STranslateContext* pCxt, SFunctionNode* pFunc) {
+static int32_t translateNormalFunction(STranslateContext* pCxt, SFunctionNode* pFunc) {
   int32_t code = translateAggFunc(pCxt, pFunc);
   if (TSDB_CODE_SUCCESS == code) {
     code = translateScanPseudoColumnFunc(pCxt, pFunc);
@@ -1749,6 +1769,9 @@ static int32_t translateNoramlFunction(STranslateContext* pCxt, SFunctionNode* p
   if (TSDB_CODE_SUCCESS == code) {
     code = translateTimelineFunc(pCxt, pFunc);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = translateBlockDistFunc(pCxt, pFunc);
+  }
   if (TSDB_CODE_SUCCESS == code) {
     setFuncClassification(pCxt->pCurrStmt, pFunc);
   }
@@ -1809,7 +1832,7 @@ static int32_t translateFunctionImpl(STranslateContext* pCxt, SFunctionNode** pF
   if (fmIsClientPseudoColumnFunc((*pFunc)->funcId)) {
     return rewriteClientPseudoColumnFunc(pCxt, (SNode**)pFunc);
   }
-  return translateNoramlFunction(pCxt, *pFunc);
+  return translateNormalFunction(pCxt, *pFunc);
 }
 
 static EDealRes translateFunction(STranslateContext* pCxt, SFunctionNode** pFunc) {
@@ -6307,6 +6330,7 @@ static int32_t createSelectStmtForShow(ENodeType showType, SSelectStmt** pStmt)
 }
 
 static int32_t createSelectStmtForShowTableDist(SShowTableDistributedStmt* pStmt, SSelectStmt** pOutput) {
+
   return createSimpleSelectStmt(pStmt->dbName, pStmt->tableName, 0, NULL, pOutput);
 }
 

tests/script/tsim/compute/block_dist.sim

@@ -91,6 +91,10 @@ print ============== TD-5998
 sql_error select _block_dist() from (select * from $nt)
 sql_error select _block_dist() from (select * from $mt)
 
+print ============== TD-22140 & TD-22165
+sql_error show table distributed information_schema.ins_databases
+sql_error show table distributed performance_schema.perf_apps
+
 print =============== clear
 sql drop database $db
 sql select * from information_schema.ins_databases