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[CP] [to #56507678]Fix bug 56507678, substrb should not return error when cacl pos_val/len_val fail in oracle mode.

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This commit is contained in:
swjtu-wenxiang
2024-06-20 03:58:34 +00:00
committed by ob-robot
parent 7eb45945a9
commit d2001401ff
1 changed files with 16 additions and 1 deletions
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17
src/sql/engine/expr/ob_expr_substrb.cpp
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@ -78,6 +78,13 @@ int ObExprSubstrb::calc_result_length_in_byte(const ObExprResType &type,
pos_val = 1;
} else {
if (OB_FAIL(ObExprUtil::get_trunc_int64(pos_obj, expr_ctx, pos_val))) {
if(lib::is_oracle_mode()) {
if (0 == pos_val) {
pos_val = 1;
}
ret = OB_SUCCESS;
LOG_WARN("ignore failure when calc pos_val oracle mode", K(ret));
}
LOG_WARN("get int64 failed", K(pos_obj), K(ret));
}
}
@ -87,8 +94,16 @@ int ObExprSubstrb::calc_result_length_in_byte(const ObExprResType &type,
if (param_num == 3 && !types_array[2].get_param().is_null()) {
const ObObj &len_obj = types_array[2].get_param();
if (OB_FAIL(ObExprUtil::get_trunc_int64(len_obj, expr_ctx, len_val))) {
if(lib::is_oracle_mode()) {
if (0 == len_val) {
len_val = str_len_in_byte;
}
ret = OB_SUCCESS;
LOG_WARN("ignore failure when calc len_val oracle mode", K(ret));
}
LOG_WARN("get int64 failed", K(len_obj), K(ret));
} else if (type.is_nchar() || type.is_nvarchar2()) {
}
if (OB_SUCC(ret) && (type.is_nchar() || type.is_nvarchar2())) {
len_val /= mbminlen;
}
}