RU

Class List

Here are the classes, structs, unions and interfaces with brief descriptions:

• interface ImmutableByteProducer ImmutableByteProducer C++20 concept.
• struct MDBX_build_info libmdbx build information
• struct MDBX_cache_entry_t Lightweight transparent cache entry structure used by mdbx_cache_get() .
• struct MDBX_cache_result_t Pair of error code and cache status as a result of mdbx_cache_get() .
• struct MDBX_canary The four integer markers (aka "canary") associated with the environment.
• struct MDBX_chk_callbacks_t A set of callback functions used for checking the integrity of a database.
• struct MDBX_chk_context_t The context for checking the integrity of a database.
  • struct MDBX_chk_context_t.result
• struct MDBX_chk_histogram A histogram with some statistical information collected during a database integrity check.
  • struct MDBX_chk_histogram.ranges
• struct MDBX_chk_issue_t An issue was discovered during a database integrity check.
• struct MDBX_chk_line_t A virtual row of the report generated during a database integrity check.
• struct MDBX_chk_scope_t A hierarchical context during a database integrity check.
  • union MDBX_chk_scope_t.usr_o
  • union MDBX_chk_scope_t.usr_v
  • union MDBX_chk_scope_t.usr_z
• struct MDBX_chk_table_t Information about a certain key-value table during a database integrity check.
  • struct MDBX_chk_table_t.histogram
  • struct MDBX_chk_table_t.pages
• struct MDBX_commit_latency Latency of commit stages in 1/65536 of seconds units.
  • struct MDBX_commit_latency.gc_prof Information for GC profiling.
    • struct MDBX_commit_latency.gc_prof.pnl_merge_self Metrics of the amount of work and cost of merging lists of pages.
    • struct MDBX_commit_latency.gc_prof.pnl_merge_work Metrics of the amount of work and cost of merging lists of pages.
• struct MDBX_defrag_result_t The numerical metrics of progress and result of database defragmentation.
• struct MDBX_envinfo Information about the environment.
  • struct MDBX_envinfo.mi_bootid A mostly unique ID that is regenerated on each boot.
    • struct MDBX_envinfo.mi_bootid.current
    • struct MDBX_envinfo.mi_bootid.meta
  • struct MDBX_envinfo.mi_dxbid
  • struct MDBX_envinfo.mi_geo
  • struct MDBX_envinfo.mi_pgop_stat
• struct MDBX_gc_info_t Information about Garbage Collection and page usage.
  • struct MDBX_gc_info_t.gc_reclaimable
• struct MDBX_stat Statistics for a table in the environment.
• struct MDBX_txn_info Information about the transaction.
• struct MDBX_version_info libmdbx version information,
  • struct MDBX_version_info.git
• interface MutableByteProducer MutableByteProducer C++20 concept.
• interface SliceTranscoder SliceTranscoder C++20 concept.
• namespace mdbx The libmdbx C++ API namespace.
  • namespace allocation_aware_details
    • struct copy_assign_alloc
    • struct move_assign_alloc
    • struct swap_alloc
  • struct bad_map_id Thrown on MDBX_BAD_DBI , i.e. an invalid table handle was used.
  • struct bad_transaction Thrown on MDBX_BAD_TXN , i.e. a transaction handle is invalid or was used after being finished.
  • struct bad_value_size Thrown on MDBX_BAD_VALSIZE , i.e. an unsupported size of a key or a data item.
  • class buffer The chunk of data stored inside the buffer or located outside it.
  • struct buffer_pair_spec A pair of buffer instances for a key and a value, with the same allocator and capacity policy; the buffer counterpart ofpair .
  • struct buffer_tag Type tag for delivered buffer template classes.
  • class cache_entry Cache entry for the transparent read-your-writes caching, see txn::get_cached() andmdbx_cache_get() .
  • class cursor Unmanaged cursor.
    • struct estimate_result The result of a range estimation: the boundary key-value pair plus the approximate number of items.
    • struct move_result The result of a cursor move/seek operation: the found key-value pair plus the success flag.
  • class cursor_managed Managed cursor.
  • struct dangling_map_id Thrown on MDBX_DANGLING_DBI , i.e. a table handle refers to a non-existent table.
  • struct db_corrupted Thrown on MDBX_CORRUPTED , i.e. the database is corrupted or an invalid data was detected.
  • struct db_full Thrown on MDBX_MAP_FULL , i.e. the database is full and the environment cannot be extended.
  • struct db_invalid Thrown on MDBX_INVALID , i.e. an invalid parameter was specified or the environment is already closed.
  • struct db_too_large Thrown on MDBX_TOO_LARGE , i.e. the database is too large for the current process/environment.
  • struct db_unable_extend Thrown on MDBX_UNABLE_EXTEND_MAPSIZE , i.e. the requested geometry change needs the mapping to be re-created but it could not be applied right now.
  • struct db_version_mismatch Thrown on MDBX_VERSION_MISMATCH , i.e. the database was created by an incompatible version of libmdbx.
  • struct db_wanna_write_for_recovery Thrown on MDBX_WANNA_RECOVERY , i.e. the database requires recovery usingmdbx_chk and/ormdbx_env_open_for_recovery() .
  • struct default_capacity_policy The default capacity policy for the buffer class: rounds the allocated capacity and advises whether to grow, keep or shrink it.
  • struct duplicated_lck_file Thrown on MDBX_DUPLICATED_LCK , i.e. the lock file was created in a manner that conflicts with the current process' state.
  • class env Unmanaged database environment.
    • struct geometry Database geometry for size management.
      • struct size Tagged type for output to std::ostream.
    • struct limits A namespace-like holder of static functions returning the various libmdbx limits, the C++ counterpart of the mdbx_limits_*() C API.
    • struct operate_options Operate options.
    • struct operate_parameters Operate parameters.
    • struct reader_info Reader information.
    • struct reclaiming_options Garbage reclaiming options.
    • struct sysraminfo Information about the system RAM, see mdbx_get_sysraminfo() .
  • class env_managed Managed database environment.
    • struct create_parameters Additional parameters for creating a new database.
  • class error Implements error information and throwing corresponding exceptions.
  • class exception Base class for all libmdbx's exceptions that correspond to libmdbx errors.
  • class exception_thunk Transfers C++ exceptions thru C callbacks.
  • class fatal Fatal exception that leads to termination anyway in dangerous unrecoverable cases.
  • struct from_base58 Base58 decoder which satisfySliceTranscoder concept.
  • struct from_base64 Base64 decoder which satisfySliceTranscoder concept.
  • struct from_hex Hexadecimal decoder which satisfy SliceTranscoder concept.
  • struct incompatible_operation Thrown on MDBX_INCOMPATIBLE , i.e. an operation is incompatible with the environment/table options.
  • struct internal_page_full Thrown on MDBX_PAGE_FULL , i.e. an item does not fit into a page of the table.
  • struct internal_problem Thrown on MDBX_PROBLEM , i.e. an unexpected internal problem was detected.
  • struct key_exists Thrown on MDBX_KEYEXIST , i.e. the key/data pair already exists and_MDBX_NOOVERWRITE _was specified.
  • struct key_mismatch Thrown on MDBX_EKEYMISMATCH , i.e. an insert with the append hint but the key is not the last one.
  • struct laggard_reader Thrown on MDBX_LAGGARD_READER , i.e. the reader is lagging too much behind.
  • struct map_handle A handle for an individual table (aka key-value space, maps or sub-database) in the environment.
    • struct info Flags and state of a table (aka map).
  • struct max_maps_reached Thrown on MDBX_DBS_FULL , i.e. the maximum number of table handles has been reached.
  • struct max_readers_reached Thrown on MDBX_READERS_FULL , i.e. the environment's reader table is full.
  • struct multivalue Thrown on MDBX_EMULTIVAL , i.e. the operation is not supported for the multi-value (dupsort) key.
  • struct mvcc_retarded Thrown on MDBX_MVCC_RETARDED , i.e. the MVCC snapshot is retarded too much to continue.
  • struct no_data Thrown on MDBX_ENODATA , i.e. the requested data is missing.
  • struct not_found Thrown on MDBX_NOTFOUND , i.e. the requested key/data pair was not found.
  • struct operation_not_permitted Thrown on MDBX_EPERM , i.e. the operation is not permitted in the current state/environment mode.
  • struct pair Combines pair of slices for key and value to represent result of certain operations.
  • struct pair_result Combines pair of slices for key and value with boolean flag to represent result of certain operations.
  • struct permission_denied_or_not_writeable Thrown on MDBX_EACCESS , i.e. a permission was denied or the environment/data is not writable.
  • struct reader_slot_busy Thrown on MDBX_BAD_RSLOT , i.e. a reader slot is invalid or busy.
  • struct remote_media Thrown on MDBX_EREMOTE , i.e. a file/locking system call failed for the reason that could not be diagnosed.
  • struct slice References a data located outside the slice.
  • struct something_busy Thrown on MDBX_BUSY , i.e. some resource is busy by another thread or process.
  • struct thread_mismatch Thrown on MDBX_THREAD_MISMATCH , i.e. the transaction/cursor is used by an alien thread.
  • struct to_base58 Base58 encoder which satisfySliceTranscoder concept.
  • struct to_base64 Base64 encoder which satisfySliceTranscoder concept.
  • struct to_hex Hexadecimal encoder which satisfy SliceTranscoder concept.
  • struct transaction_full Thrown on MDBX_TXN_FULL , i.e. the transaction has too many dirty pages and cannot be continued.
  • struct transaction_ousted Thrown on MDBX_OUSTED , i.e. the current write transaction was ousted by a newer one.
  • struct transaction_overlapping Thrown on MDBX_TXN_OVERLAPPING , i.e. a write transaction was started while another one is in progress by the same process.
  • class txn Unmanaged database transaction.
  • class txn_managed Managed database transaction.
  • struct value_result Combines data slice with boolean flag to represent result of certain operations.
• struct data_preserver
• struct silo
  • union bin
    • struct capacity_holder
    • struct inplace_flag_holder
    • struct stub_allocated_holder
• namespace std STL namespace.
  • struct hash<::mdbx::buffer< ALLOCATOR, CAPACITY_POLICY > >
  • struct hash<::mdbx::cursor >
  • struct hash<::mdbx::env >
  • struct hash<::mdbx::map_handle >
  • struct hash<::mdbx::slice >
  • struct hash<::mdbx::txn >