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Applied a patch, sent by aSealBack [#METR-2944].

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This commit is contained in:
Alexey Milovidov 2016-12-23 04:24:19 +03:00
parent 690ab98b91
commit 3d5005016b
1 changed files with 14 additions and 8 deletions
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22
dbms/src/Core/Block.cpp
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@ -485,8 +485,8 @@ void getBlocksDifference(const Block & lhs, const Block & rhs, std::string & out
}
/// Теперь идем обратно и собираем ответ.
std::vector<std::string> left_columns;
std::vector<std::string> right_columns;
ColumnsWithTypeAndName left_columns;
ColumnsWithTypeAndName right_columns;
size_t l = lhs.columns();
size_t r = rhs.columns();
while (l > 0 && r > 0)
@ -503,24 +503,30 @@ void getBlocksDifference(const Block & lhs, const Block & rhs, std::string & out
/// Поэтому предпочтение будем отдавать полю, которое есть в левом блоке (expected_block), поэтому
/// в diff попадет столбец из actual_block.
if (lcs[l][r - 1] >= lcs[l - 1][r])
right_columns.push_back(rhs.getByPosition(--r).prettyPrint());
right_columns.push_back(rhs.getByPosition(--r));
else
left_columns.push_back(lhs.getByPosition(--l).prettyPrint());
left_columns.push_back(lhs.getByPosition(--l));
}
}
while (l > 0)
left_columns.push_back(lhs.getByPosition(--l).prettyPrint());
left_columns.push_back(lhs.getByPosition(--l));
while (r > 0)
right_columns.push_back(rhs.getByPosition(--r).prettyPrint());
right_columns.push_back(rhs.getByPosition(--r));
WriteBufferFromString lhs_diff_writer(out_lhs_diff);
WriteBufferFromString rhs_diff_writer(out_rhs_diff);
for (auto it = left_columns.rbegin(); it != left_columns.rend(); ++it)
lhs_diff_writer << *it << '\n';
{
lhs_diff_writer << it->prettyPrint();
lhs_diff_writer << ", position: " << lhs.getPositionByName(it->name) << '\n';
}
for (auto it = right_columns.rbegin(); it != right_columns.rend(); ++it)
rhs_diff_writer << *it << '\n';
{
rhs_diff_writer << it->prettyPrint();
rhs_diff_writer << ", position: " << rhs.getPositionByName(it->name) << '\n';
}
}