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mutation_partition: verify row::append_cell() precondition

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row::append_cell() has a precondition that the new cell column id needs
to be larger than that of any other already existing cell. If this
precondition is violated the row will end up in an invalid state. This
patch adds assertion to make sure we fail early in such cases.
This commit is contained in:
Paweł Dziepak
2019-07-15 22:25:06 +01:00
committed by Tomasz Grabiec
parent 5f22771ea8
commit 060e3f8ac2
1 changed files with 1 additions and 0 deletions
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mutation_partition.cc
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@@ -1177,6 +1177,7 @@ row::apply_monotonically(const column_definition& column, atomic_cell_or_collect
void
row::append_cell(column_id id, atomic_cell_or_collection value) {
if (_type == storage_type::vector && id < max_vector_size) {
assert(_storage.vector.v.size() <= id);
_storage.vector.v.resize(id);
_storage.vector.v.emplace_back(cell_and_hash{std::move(value), cell_hash_opt()});
_storage.vector.present.set(id);