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fix vectorized row buffer overflow

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leslieyuchen
2023-02-21 12:44:27 +00:00
committed by ob-robot
parent 573942c5d8
commit 11a9a6386b
1 changed files with 1 additions and 1 deletions
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src/sql/engine/expr/ob_expr.h
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@ -1122,7 +1122,7 @@ inline const char *get_vectorized_row_str(ObEvalCtx &eval_ctx,
} else { } else {
buffer = node->buf_; buffer = node->buf_;
databuff_printf(buffer, CStringBufMgr::BUF_SIZE, pos, "vectorized_rows(%ld)=", index); databuff_printf(buffer, CStringBufMgr::BUF_SIZE, pos, "vectorized_rows(%ld)=", index);
pos += to_string(ROWEXPR2STR(eval_ctx, exprs), buffer + pos, CStringBufMgr::BUF_SIZE -1); pos += to_string(ROWEXPR2STR(eval_ctx, exprs), buffer + pos, CStringBufMgr::BUF_SIZE - pos - 1);
if (pos >= 0 && pos < CStringBufMgr::BUF_SIZE) { if (pos >= 0 && pos < CStringBufMgr::BUF_SIZE) {
buffer[pos] = '\0'; buffer[pos] = '\0';
} else { } else {