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Fix process_decrease bounds issue

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obdev
2023-03-27 14:14:34 +00:00
committed by ob-robot
parent 674e87b495
commit 04efb2a763
1 changed files with 8 additions and 1 deletions
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9
src/share/ob_order_perserving_encoder.cpp
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@ -848,8 +848,15 @@ int ObSortkeyConditioner::process_key_conditioning(
if (ret != OB_BUF_NOT_ENOUGH) { if (ret != OB_BUF_NOT_ENOUGH) {
LOG_WARN("failed to encode sortkey", K(ret)); LOG_WARN("failed to encode sortkey", K(ret));
} }
} else if (max_buf_len < to_len) {
ret = OB_BUF_NOT_ENOUGH;
LOG_TRACE("no enough memory to do encoding for obnumber", K(ret));
} else if (!param.is_asc_) { } else if (!param.is_asc_) {
process_decrease(to + 1, to_len); if (param.is_nullable_) {
process_decrease(to + 1, to_len - 1);
} else {
process_decrease(to, to_len);
}
} }
return ret; return ret;