add_id                  Add identity column
bind_id                 Bind data frames with ID handling
bind_keyed              Bind rows of keyed data frames
check_drift             Check for drift from committed snapshot
check_id                Check ID integrity
check_id_disjoint       Check IDs are disjoint across datasets
clear_all_snapshots     Clear all snapshots from cache
clear_snapshot          Clear snapshot for a data frame
compare_ids             Compare IDs between data frames
compare_keys            Compare key values between two data frames
compare_structure       Compare structure of two data frames
diagnose_join           Diagnose a join before executing
diff.keyed_df           Diff two keyed data frames
extend_id               Extend IDs to new rows
find_duplicates         Find duplicate keys
get_id                  Get ID column
get_key_cols            Get key column names
has_id                  Check if data frame has IDs
has_key                 Check if data frame has a key
key                     Define a key for a data frame
key_is_valid            Check if the key is still valid
key_status              Get key status summary
list_snapshots          List all snapshots in cache
lock_complete           Assert that data is complete (no missing values
                        anywhere)
lock_coverage           Assert minimum coverage of values
lock_no_na              Assert that columns have no missing values
lock_nrow               Assert row count within expected range
lock_unique             Assert that columns are unique
make_id                 Create ID from columns
remove_id               Remove ID column
stamp                   Stamp a data frame as reference
summary.keyed_df        Summary method for keyed data frames
unkey                   Remove key from a data frame
unwatch                 Stop watching a keyed data frame
watch                   Watch a keyed data frame for automatic drift
                        detection
