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

[check overflow]

This commit is contained in:
fangpanpan 2020-01-17 15:01:18 +08:00
parent a63b848a97
commit b252163e22
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/client/src/tscSQLParser.c
View File

@ -5705,15 +5705,22 @@ void tscPrintSelectClause(SSqlCmd* pCmd) {
return;
}
char* str = calloc(1, 10240);
int32_t totalBufSize = 10240;
char* str = (char*)calloc(1, 10240);
if (str == NULL) return;
int32_t offset = 0;
offset += sprintf(str, "%d [", pCmd->exprsInfo.numOfExprs);
offset += sprintf(str, "num:%d [", pCmd->exprsInfo.numOfExprs);
for (int32_t i = 0; i < pCmd->exprsInfo.numOfExprs; ++i) {
SSqlExpr* pExpr = tscSqlExprGet(pCmd, i);
int32_t size = sprintf(str + offset, "%s(%d)", aAggs[pExpr->functionId].aName, pExpr->colInfo.colId);
offset += size;
char tmpBuf[1024] = {0};
int32_t tmpLen = 0;
tmpLen = sprintf(tmpBuf, "%s(uid:%" PRId64 ", %d)", aAggs[pExpr->functionId].aName, pExpr->uid, pExpr->colInfo.colId);
if (tmpLen + offset > totalBufSize) break;
offset += sprintf(str + offset, "%s", tmpBuf);
if (i < pCmd->exprsInfo.numOfExprs - 1) {
str[offset++] = ',';