xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix: add checks for stream query

This commit is contained in:
Xiaoyu Wang 2022-08-06 11:30:06 +08:00
parent 67e2f901fc
commit fdf977f935
1 changed files with 39 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
source/libs/parser/src/parTranslater.c
View File

@ -1254,19 +1254,20 @@ static int32_t translateRepeatScanFunc(STranslateContext* pCxt, SFunctionNode* p
return TSDB_CODE_SUCCESS;
}
if (isSelectStmt(pCxt->pCurrStmt)) {
// select percentile() without from clause is also valid
if (NULL == ((SSelectStmt*)pCxt->pCurrStmt)->pFromTable) {
return TSDB_CODE_SUCCESS;
}
SNode* pTable = ((SSelectStmt*)pCxt->pCurrStmt)->pFromTable;
if (QUERY_NODE_REAL_TABLE == nodeType(pTable) &&
(TSDB_CHILD_TABLE == ((SRealTableNode*)pTable)->pMeta->tableType ||
TSDB_NORMAL_TABLE == ((SRealTableNode*)pTable)->pMeta->tableType)) {
return TSDB_CODE_SUCCESS;
}
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
"%s is only supported in single table query", pFunc->functionName);
}
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
"%s is only supported in single table query", pFunc->functionName);
SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
SNode* pTable = pSelect->pFromTable;
// select percentile() without from clause is also valid
if ((NULL != pTable && (QUERY_NODE_REAL_TABLE != nodeType(pTable) ||
(TSDB_CHILD_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
TSDB_NORMAL_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType))) ||
NULL != pSelect->pPartitionByList) {
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
"%s is only supported in single table query", pFunc->functionName);
}
return TSDB_CODE_SUCCESS;
}
static bool isStar(SNode* pNode) {
@ -2509,9 +2510,31 @@ static EDealRes checkStateExpr(SNode* pNode, void* pContext) {
return DEAL_RES_CONTINUE;
}
static int32_t translateStateWindow(STranslateContext* pCxt, SStateWindowNode* pState) {
static bool isPartitionByTbname(SNodeList* pPartitionByList) {
if (1 != LIST_LENGTH(pPartitionByList)) {
return false;
}
SNode* pPartKey = nodesListGetNode(pPartitionByList, 0);
return QUERY_NODE_FUNCTION != nodeType(pPartKey) || FUNCTION_TYPE_TBNAME != ((SFunctionNode*)pPartKey)->funcType;
}
static int32_t checkStateWindowForStream(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (!pCxt->createStream) {
return TSDB_CODE_SUCCESS;
}
if (TSDB_SUPER_TABLE == ((SRealTableNode*)pSelect->pFromTable)->pMeta->tableType &&
!isPartitionByTbname(pSelect->pPartitionByList)) {
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateStateWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
SStateWindowNode* pState = (SStateWindowNode*)pSelect->pWindow;
nodesWalkExprPostOrder(pState->pExpr, checkStateExpr, pCxt);
// todo check for "function not support for state_window"
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
pCxt->errCode = checkStateWindowForStream(pCxt, pSelect);
}
return pCxt->errCode;
}
@ -2522,14 +2545,13 @@ static int32_t translateSessionWindow(STranslateContext* pCxt, SSessionWindowNod
if (PRIMARYKEY_TIMESTAMP_COL_ID != pSession->pCol->colId) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SESSION_COL);
}
// todo check for "function not support for session"
return TSDB_CODE_SUCCESS;
}
static int32_t translateSpecificWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
switch (nodeType(pSelect->pWindow)) {
case QUERY_NODE_STATE_WINDOW:
return translateStateWindow(pCxt, (SStateWindowNode*)pSelect->pWindow);
return translateStateWindow(pCxt, pSelect);
case QUERY_NODE_SESSION_WINDOW:
return translateSessionWindow(pCxt, (SSessionWindowNode*)pSelect->pWindow);
case QUERY_NODE_INTERVAL_WINDOW:
@ -4708,7 +4730,7 @@ static int32_t checkCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pSt
}
}
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY);
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
}
static void getSourceDatabase(SNode* pStmt, int32_t acctId, char* pDbFName) {