Fix coverity issues column_family, compaction_db/iterator #3084
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Summary: db/column_family.h : 79 ColumnFamilyHandleInternal() CID 1322806 (facebook#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 2. uninit_member: Non-static class member internal_cfd_ is not initialized in this constructor nor in any functions that it calls. 80 : ColumnFamilyHandleImpl(nullptr, nullptr, nullptr) {} db/compacted_db_impl.cc: 18CompactedDBImpl::CompactedDBImpl( 19 const DBOptions& options, const std::string& dbname) 20 : DBImpl(options, dbname) { 2. uninit_member: Non-static class member cfd_ is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member version_ is not initialized in this constructor nor in any functions that it calls. CID 1396120 (facebook#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 6. uninit_member: Non-static class member user_comparator_ is not initialized in this constructor nor in any functions that it calls. 21} db/compaction_iterator.cc: 9. uninit_member: Non-static class member current_user_key_sequence_ is not initialized in this constructor nor in any functions that it calls. 11. uninit_member: Non-static class member current_user_key_snapshot_ is not initialized in this constructor nor in any functions that it calls. CID 1419855 (facebook#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 13. uninit_member: Non-static class member current_key_committed_ is not initialized in this constructor nor in any functions that it calls.
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Summary:
db/column_family.h :
79 ColumnFamilyHandleInternal()
CID 1322806 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR)
2. uninit_member: Non-static class member internal_cfd_ is not initialized in this constructor nor in any functions that it calls.
80 : ColumnFamilyHandleImpl(nullptr, nullptr, nullptr) {}
db/compacted_db_impl.cc:
18CompactedDBImpl::CompactedDBImpl(
19 const DBOptions& options, const std::string& dbname)
20 : DBImpl(options, dbname) {
2. uninit_member: Non-static class member cfd_ is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member version_ is not initialized in this constructor nor in any functions that it calls.
CID 1396120 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR)
6. uninit_member: Non-static class member user_comparator_ is not initialized in this constructor nor in any functions that it calls.
21}
db/compaction_iterator.cc:
9. uninit_member: Non-static class member current_user_key_sequence_ is not initialized in this constructor nor in any functions that it calls.
11. uninit_member: Non-static class member current_user_key_snapshot_ is not initialized in this constructor nor in any functions that it calls.
CID 1419855 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
13. uninit_member: Non-static class member current_key_committed_ is not initialized in this constructor nor in any functions that it calls.