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[td-703]

This commit is contained in:
Haojun Liao 2020-06-20 13:09:20 +08:00
parent 192c84897d
commit 1563612290
1 changed files with 5 additions and 0 deletions
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5
src/client/src/tscSQLParser.c
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@ -5755,6 +5755,7 @@ int32_t doCheckForQuery(SSqlObj* pSql, SQuerySQL* pQuerySql, int32_t index) {
const char* msg7 = "illegal number of tables in from clause";
const char* msg8 = "too many columns in selection clause";
const char* msg9 = "TWA query requires both the start and end time";
const char* msg10= "too many tables in from clause";
int32_t code = TSDB_CODE_SUCCESS;
@ -5790,6 +5791,10 @@ int32_t doCheckForQuery(SSqlObj* pSql, SQuerySQL* pQuerySql, int32_t index) {
pQueryInfo->command = TSDB_SQL_SELECT;
if (pQuerySql->from->nExpr > 2) {
return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg10);
}
// set all query tables, which are maybe more than one.
for (int32_t i = 0; i < pQuerySql->from->nExpr; ++i) {
tVariant* pTableItem = &pQuerySql->from->a[i].pVar;