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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/11/04 06:54:17 UTC
[GitHub] [incubator-doris] HappenLee opened a new pull request #7007: [Refactor] Refact code of sequence column
HappenLee opened a new pull request #7007:
URL: https://github.com/apache/incubator-doris/pull/7007
## Proposed changes
#7006
## Types of changes
What types of changes does your code introduce to Doris?
_Put an `x` in the boxes that apply_
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] Documentation Update (if none of the other choices apply)
- [x] Code refactor (Modify the code structure, format the code, etc...)
- [ ] Optimization. Including functional usability improvements and performance improvements.
- [ ] Dependency. Such as changes related to third-party components.
- [ ] Other.
## Checklist
_Put an `x` in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code._
- [x] I have created an issue on (Fix #7006) and described the bug/feature there in detail
- [x] Compiling and unit tests pass locally with my changes
- [x] I have added tests that prove my fix is effective or that my feature works
- [x] If these changes need document changes, I have updated the document
- [x] Any dependent changes have been merged
## Further comments
If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [incubator-doris] wangbo commented on a change in pull request #7007: [Refactor] Refact code of sequence column
Posted by GitBox <gi...@apache.org>.
wangbo commented on a change in pull request #7007:
URL: https://github.com/apache/incubator-doris/pull/7007#discussion_r746362368
##########
File path: be/src/exec/olap_scanner.cpp
##########
@@ -245,8 +246,9 @@ Status OlapScanner::_init_return_columns() {
break;
}
}
- if (has_replace_col) {
- _return_columns.push_back(_tablet->tablet_schema().sequence_col_idx());
+ if (auto sequence_col_idx = _tablet->tablet_schema().sequence_col_idx();
+ has_replace_col && std::find(_return_columns.begin(), _return_columns.end(), sequence_col_idx) == _return_columns.end()) {
+ _return_columns.push_back(sequence_col_idx);
Review comment:
What case may cause sequence_col_idx insert to return columns duplicately
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[GitHub] [incubator-doris] wangbo merged pull request #7007: [Refactor] Refact code of sequence column
Posted by GitBox <gi...@apache.org>.
wangbo merged pull request #7007:
URL: https://github.com/apache/incubator-doris/pull/7007
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[GitHub] [incubator-doris] HappenLee commented on a change in pull request #7007: [Refactor] Refact code of sequence column
Posted by GitBox <gi...@apache.org>.
HappenLee commented on a change in pull request #7007:
URL: https://github.com/apache/incubator-doris/pull/7007#discussion_r746364472
##########
File path: be/src/exec/olap_scanner.cpp
##########
@@ -245,8 +246,9 @@ Status OlapScanner::_init_return_columns() {
break;
}
}
- if (has_replace_col) {
- _return_columns.push_back(_tablet->tablet_schema().sequence_col_idx());
+ if (auto sequence_col_idx = _tablet->tablet_schema().sequence_col_idx();
+ has_replace_col && std::find(_return_columns.begin(), _return_columns.end(), sequence_col_idx) == _return_columns.end()) {
+ _return_columns.push_back(sequence_col_idx);
Review comment:
it's a bug, i fixed it.
if you 'set show_hidden_columns = true;', select * from unique_table with sequnece column. In Debug mode will core.
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