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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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None
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Fully Compatible
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ALL
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Security 2019-01-28
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The change to use the abseil hash map implementation for stdx::unordered_map in SERVER-38249 breaks pretty printing of hash maps in GDB when using the standard C++ pretty printer library. Trying to print a simple hash map in GDB now appears like this:
myMap = {
<absl::container_internal::raw_hash_map<absl::container_internal::NodeHashMapPolicy<int, int>, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >> = {
<absl::container_internal::raw_hash_set<absl::container_internal::NodeHashMapPolicy<int, int>, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >> = {
static kMaxLoadFactorNumerator = 14,
static kMaxLoadFactorDenominator = 16,
static kMaxLoadFactor = 0.875,
ctrl_ = 0x7ffff0eabe20 "\200\200\200\006\200\200\200\200\200\200\200\200\200-\200\377\200\200\200\006\200\200\200\200\200\200\200\200\200-\200", '\253' <repeats 25 times>, "\340\371\352\360\377\177"
,
slots_ = 0x7ffff0eabe40,
size_ = 2,
capacity_ = 15,
settings_ = {
<absl::container_internal::internal_compressed_tuple::CompressedTupleImpl<absl::container_internal::CompressedTuple<unsigned long, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocato
r<std::pair<int const, int> > >, absl::integer_sequence<unsigned long, 0, 1, 2, 3> >> = {
<absl::container_internal::internal_compressed_tuple::Storage<absl::container_internal::CompressedTuple<unsigned long, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pai
r<int const, int> > >, 0, false>> = {
value = 11
},
<absl::container_internal::internal_compressed_tuple::Storage<absl::container_internal::CompressedTuple<unsigned long, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pai
r<int const, int> > >, 1, true>> = {
<absl::hash_internal::Hash<int>> = {
<absl::hash_internal::HashImpl<int>> = {<No data fields>}, <No data fields>}, <No data fields>},
<absl::container_internal::internal_compressed_tuple::Storage<absl::container_internal::CompressedTuple<unsigned long, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >, 2, true>> = {
<std::equal_to<int>> = {
<std::binary_function<int, int, bool>> = {<No data fields>}, <No data fields>}, <No data fields>},
<absl::container_internal::internal_compressed_tuple::Storage<absl::container_internal::CompressedTuple<unsigned long, absl::hash_internal::Hash<int>, std::equal_to<int>, std::allocator<std::pair<int const, int> > >, 3, true>> = {
<std::allocator<std::pair<int const, int> >> = {
<__gnu_cxx::new_allocator<std::pair<int const, int> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}
}, <No data fields>}, <No data fields>}
where it previously would have appeared as
myMap = std::unordered_map with 2 elements = {
[2] = 20,
[1] = 10
}
- is depended on by
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SERVER-38823 Re-enable dumping of SessionCatalog in hang analyzer
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- Closed
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- related to
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SERVER-38045 Dump session catalog using GDB scripting
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- Closed
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- Closed
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SERVER-39013 Add gdb pretty printers for absl::flat_hash_map/set
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- Closed
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