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| author | Dan Gudmundsson <[email protected]> | 2011-09-19 17:45:48 +0200 |
|---|---|---|
| committer | Dan Gudmundsson <[email protected]> | 2011-09-19 17:45:48 +0200 |
| commit | 533aeba2211bc29bf2a207737d74ffa52a46bdec (patch) | |
| tree | 0cbe8f0775dd3fdad0a0311039062205c70cb583 | |
| parent | 7ebf84abf7e5d06ce9ef6ec11783318aa393093d (diff) | |
| download | otp-533aeba2211bc29bf2a207737d74ffa52a46bdec.tar.gz otp-533aeba2211bc29bf2a207737d74ffa52a46bdec.tar.bz2 otp-533aeba2211bc29bf2a207737d74ffa52a46bdec.zip | |
[mnesia] Use dedicated api for clearing tables
Mainly to correctly clear dets tables. It may also be faster to use
the dedicated functions.
| -rw-r--r-- | lib/mnesia/src/mnesia_dumper.erl | 2 | ||||
| -rw-r--r-- | lib/mnesia/src/mnesia_lib.erl | 6 | ||||
| -rw-r--r-- | lib/mnesia/src/mnesia_log.erl | 5 |
3 files changed, 10 insertions, 3 deletions
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl index daa9e6aff2..f8d7664156 100644 --- a/lib/mnesia/src/mnesia_dumper.erl +++ b/lib/mnesia/src/mnesia_dumper.erl @@ -364,7 +364,7 @@ dets_insert(Op,Tab,Key,Val) -> ok = dets:delete_object(Tab, Val); clear_table -> dets_cleared(Tab), - ok = dets:match_delete(Tab, '_') + ok = dets:delete_all_objects(Tab) end. dets_updated(Tab,Key) -> diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl index 7e926a6258..e8b8c58c70 100644 --- a/lib/mnesia/src/mnesia_lib.erl +++ b/lib/mnesia/src/mnesia_lib.erl @@ -1141,12 +1141,18 @@ db_erase(ram_copies, Tab, Key) -> ?ets_delete(Tab, Key), ok; db_erase(disc_copies, Tab, Key) -> ?ets_delete(Tab, Key), ok; db_erase(disc_only_copies, Tab, Key) -> dets:delete(Tab, Key). +db_match_erase(Tab, '_') -> + db_delete_all(val({Tab, storage_type}),Tab); db_match_erase(Tab, Pat) -> db_match_erase(val({Tab, storage_type}), Tab, Pat). db_match_erase(ram_copies, Tab, Pat) -> ?ets_match_delete(Tab, Pat), ok; db_match_erase(disc_copies, Tab, Pat) -> ?ets_match_delete(Tab, Pat), ok; db_match_erase(disc_only_copies, Tab, Pat) -> dets:match_delete(Tab, Pat). +db_delete_all(ram_copies, Tab) -> ets:delete_all_objects(Tab); +db_delete_all(disc_copies, Tab) -> ets:delete_all_objects(Tab); +db_delete_all(disc_only_copies, Tab) -> dets:delete_all_objects(Tab). + db_first(Tab) -> db_first(val({Tab, storage_type}), Tab). db_first(ram_copies, Tab) -> ?ets_first(Tab); diff --git a/lib/mnesia/src/mnesia_log.erl b/lib/mnesia/src/mnesia_log.erl index 9e804cc4c2..94153473cb 100644 --- a/lib/mnesia/src/mnesia_log.erl +++ b/lib/mnesia/src/mnesia_log.erl @@ -1021,7 +1021,8 @@ add_recs([LogH|Rest], N) LogH#log_header.log_version >= "1.0" -> add_recs(Rest, N); add_recs([{{Tab, _Key}, _Val, clear_table} | Rest], N) -> - true = ets:match_delete(Tab, '_'), - add_recs(Rest, N+ets:info(Tab, size)); + Size = ets:info(Tab, size), + true = ets:delete_all_objects(Tab), + add_recs(Rest, N+Size); add_recs([], N) -> N. |