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[FEAT MERGE] Fix the error code loss and overwriting issues on the master branch

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Co-authored-by: jingtaoye35 <1255153887@qq.com>
Co-authored-by: fkuner <784819644@qq.com>
Co-authored-by: lucky-sinx <2549261744@qq.com>
This commit is contained in:
hwx65
2024-06-17 13:46:15 +00:00
committed by ob-robot
parent 020eae1d2b
commit da5aece3e1
266 changed files with 661 additions and 347 deletions
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6
src/sql/engine/expr/ob_expr_left.cpp
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@ -149,9 +149,9 @@ int calc_left_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum)
// res_str会指向s_datum的内存空间，所以下面不能改变res_str指向的字符串
ObString res_str;
const ObCollationType arg_cs_type = expr.args_[0]->datum_meta_.cs_type_;
if(OB_FAIL(calc_left(res_str, s_datum->get_string(), arg_cs_type, n_datum->get_int()))) {
LOG_WARN("failed to calculate left expression", K(ret));
} else {
if (OB_FAIL(calc_left(res_str, s_datum->get_string(), arg_cs_type, n_datum->get_int()))) {
LOG_WARN("failed to calculate left expression", K(ret));
} else {
if (res_str.empty() && is_oracle_mode()) {
res_datum.set_null();
} else {