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[TD-5797]<fix> refactor errmsg

This commit is contained in:
yihaoDeng 2021-08-12 18:19:38 +00:00
parent 7abcd83812
commit 649b740c18
1 changed files with 15 additions and 18 deletions
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33
src/client/src/tscSQLParser.c
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@ -2029,12 +2029,11 @@ int32_t validateSelectNodeList(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pS
const char* msg1 = "too many items in selection clause";
const char* msg2 = "functions or others can not be mixed up";
const char* msg3 = "not support query expression";
const char* msg4 = "not support distinct mixed with proj";
const char* msg4 = "not support distinct mixed with proj/agg func";
const char* msg5 = "invalid function name";
const char* msg6 = "not support distinct mixed with agg function";
const char* msg7 = "not support distinct mixed with join";
const char* msg8 = "not support distinct mixed with groupby";
const char* msg9 = "not support distinct in nest query";
const char* msg6 = "not support distinct mixed with join";
const char* msg7 = "not support distinct mixed with groupby";
const char* msg8 = "not support distinct in nest query";
// too many result columns not support order by in query
if (taosArrayGetSize(pSelNodeList) > TSDB_MAX_COLUMNS) {
@ -2047,20 +2046,21 @@ int32_t validateSelectNodeList(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pS
bool hasDistinct = false;
bool hasAgg = false;
size_t numOfExpr = taosArrayGetSize(pSelNodeList);
size_t numOfExpr = taosArrayGetSize(pSelNodeList);
int32_t distIdx = -1;
for (int32_t i = 0; i < numOfExpr; ++i) {
int32_t outputIndex = (int32_t)tscNumOfExprs(pQueryInfo);
tSqlExprItem* pItem = taosArrayGet(pSelNodeList, i);
if (hasDistinct == false) {
hasDistinct = (pItem->distinct == true);
distIdx = i;
}
hasDistinct = (pItem->distinct == true);
distIdx = hasDistinct ? i : -1;
}
int32_t type = pItem->pNode->type;
if (type == SQL_NODE_SQLFUNCTION) {
hasAgg = true;
hasAgg = true;
if (hasDistinct) break;
pItem->pNode->functionId = isValidFunction(pItem->pNode->Expr.operand.z, pItem->pNode->Expr.operand.n);
SUdfInfo* pUdfInfo = NULL;
if (pItem->pNode->functionId < 0) {
@ -2100,20 +2100,17 @@ int32_t validateSelectNodeList(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pS
//TODO(dengyihao), refactor as function
//handle distinct func mixed with other func
if (hasDistinct == true) {
if (distIdx != 0) {
if (distIdx != 0 || hasAgg) {
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg4);
}
if (hasAgg) {
if (joinQuery) {
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg6);
}
if (joinQuery) {
if (pQueryInfo->groupbyExpr.numOfGroupCols != 0) {
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg7);
}
if (pQueryInfo->groupbyExpr.numOfGroupCols != 0) {
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg8);
}
if (pQueryInfo->pDownstream != NULL) {
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg9);
return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg8);
}
pQueryInfo->distinct = true;
}