hcq/oceanbase
hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Replace calc length int32 overflow

Browse Source
This commit is contained in:
JasonZhang10086 2024-12-31 11:48:32 +00:00 committed by ob-robot
parent 425a34ff3c
commit c8b12efd2d
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/sql/engine/expr/ob_expr_replace.cpp
View File

@ -99,7 +99,12 @@ int ObExprReplace::calc_result_typeN(ObExprResType &type,
if (param_num == 2 || types_array[2].is_null() || types_array[2].get_calc_length() == 0) {
// do nothing
} else {
OX(result_len *= types_array[2].get_calc_length());
if (OB_SUCC(ret)) {
result_len *= types_array[2].get_calc_length();
if (result_len > OB_MAX_LONGTEXT_LENGTH) {
result_len = OB_MAX_LONGTEXT_LENGTH;
}
}
if (OB_SUCC(ret) && (type.is_nchar() || type.is_nvarchar2())) {
const ObCharsetInfo *cs = ObCharset::get_charset(type.get_collation_type());
result_len = result_len * cs->mbmaxlen;