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fix some cases

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This commit is contained in:
wangt1xiuyi
2022-06-29 11:07:23 +08:00
committed by wangzelin.wzl
parent 214cc16690
commit eb8952d1d9
1 changed files with 14 additions and 68 deletions
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76
src/sql/engine/expr/ob_expr_regexp_context.cpp
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@ -848,76 +848,22 @@ int ObExprRegexContext::pre_process_replace_str(const ObString& text, const ObSt
before_is_escape = true; before_is_escape = true;
need_copy_last = (length_to - 1 != i); need_copy_last = (length_to - 1 != i);
} else if (!before_is_escape) { } else if (!before_is_escape) {
switch (to_ptr[i + 1]) { if (to_ptr[i + 1] >= '1' && to_ptr[i + 1] <= '9') {
case '1': int64_t idx = to_ptr[i + 1] - '1';
MEMCPY(tmp_buf, subexpr_array.at(0).ptr(), subexpr_array.at(0).length()); if (OB_UNLIKELY(idx < 0 || idx >= subexpr_array.count())) {
tmp_buf += subexpr_array.at(0).length(); ret = OB_ERR_UNEXPECTED;
real_tot_length += subexpr_array.at(0).length(); LOG_WARN("get unexpected error", K(ret), K(idx), K(subexpr_array));
} else {
MEMCPY(tmp_buf, subexpr_array.at(idx).ptr(), subexpr_array.at(idx).length());
tmp_buf += subexpr_array.at(idx).length();
real_tot_length += subexpr_array.at(idx).length();
++i; ++i;
need_copy_last = (length_to - 1 != i); need_copy_last = (length_to - 1 != i);
break; }
case '2': } else {
MEMCPY(tmp_buf, subexpr_array.at(1).ptr(), subexpr_array.at(1).length());
tmp_buf += subexpr_array.at(1).length();
real_tot_length += subexpr_array.at(1).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '3':
MEMCPY(tmp_buf, subexpr_array.at(2).ptr(), subexpr_array.at(2).length());
tmp_buf += subexpr_array.at(2).length();
real_tot_length += subexpr_array.at(2).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '4':
MEMCPY(tmp_buf, subexpr_array.at(3).ptr(), subexpr_array.at(3).length());
tmp_buf += subexpr_array.at(3).length();
real_tot_length += subexpr_array.at(3).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '5':
MEMCPY(tmp_buf, subexpr_array.at(4).ptr(), subexpr_array.at(4).length());
tmp_buf += subexpr_array.at(4).length();
real_tot_length += subexpr_array.at(4).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '6':
MEMCPY(tmp_buf, subexpr_array.at(5).ptr(), subexpr_array.at(5).length());
tmp_buf += subexpr_array.at(5).length();
real_tot_length += subexpr_array.at(5).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '7':
MEMCPY(tmp_buf, subexpr_array.at(6).ptr(), subexpr_array.at(6).length());
tmp_buf += subexpr_array.at(6).length();
real_tot_length += subexpr_array.at(6).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '8':
MEMCPY(tmp_buf, subexpr_array.at(7).ptr(), subexpr_array.at(7).length());
tmp_buf += subexpr_array.at(7).length();
real_tot_length += subexpr_array.at(7).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
case '9':
MEMCPY(tmp_buf, subexpr_array.at(8).ptr(), subexpr_array.at(8).length());
tmp_buf += subexpr_array.at(8).length();
real_tot_length += subexpr_array.at(8).length();
++i;
need_copy_last = (length_to - 1 != i);
break;
break;
default:
MEMCPY(tmp_buf, to_ptr + i, 1); MEMCPY(tmp_buf, to_ptr + i, 1);
tmp_buf += 1; tmp_buf += 1;
++real_tot_length; ++real_tot_length;
break;
} }
} else { } else {
MEMCPY(tmp_buf, to_ptr + i, 1); MEMCPY(tmp_buf, to_ptr + i, 1);