thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-26 17:41:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

More hardening

Browse Source
This commit is contained in:
Alexey Milovidov 2020-06-28 19:11:53 +03:00
parent 4ec66545a3
commit 78ee63e395
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/Columns/ColumnArray.cpp
View File

@ -43,7 +43,7 @@ ColumnArray::ColumnArray(MutableColumnPtr && nested_column, MutableColumnPtr &&
throw Exception("offsets_column must be a ColumnUInt64", ErrorCodes::LOGICAL_ERROR);
size_t size = offsets_concrete->size();
if (size != 0)
if (size != 0 && nested_column)
{
/// This will also prevent possible overflow in offset.
if (nested_column->size() != offsets_concrete->getData()[size - 1])