diff options
Diffstat (limited to 'sql/ha_partition.cc')
| -rw-r--r-- | sql/ha_partition.cc | 111 |
1 files changed, 73 insertions, 38 deletions
diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc index edadbd7b6d7..f5c9bb9e77b 100644 --- a/sql/ha_partition.cc +++ b/sql/ha_partition.cc @@ -8471,6 +8471,24 @@ err_handler: } +static int extra_cb(handler *h, void *operation) +{ + return h->extra(*(enum ha_extra_function*)operation); +} + + +static int start_keyread_cb(handler* h, void *p) +{ + return h->ha_start_keyread(*(uint*)p); +} + + +static int end_keyread_cb(handler* h, void *unused) +{ + return h->ha_end_keyread(); +} + + /** General function to prepare handler for certain behavior. @@ -8799,11 +8817,12 @@ int ha_partition::extra(enum ha_extra_function operation) switch (operation) { /* Category 1), used by most handlers */ - case HA_EXTRA_KEYREAD: case HA_EXTRA_NO_KEYREAD: + DBUG_RETURN(loop_partitions(end_keyread_cb, NULL)); + case HA_EXTRA_KEYREAD: case HA_EXTRA_FLUSH: case HA_EXTRA_PREPARE_FOR_FORCED_CLOSE: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); case HA_EXTRA_PREPARE_FOR_RENAME: case HA_EXTRA_FORCE_REOPEN: DBUG_RETURN(loop_extra_alter(operation)); @@ -8815,7 +8834,7 @@ int ha_partition::extra(enum ha_extra_function operation) case HA_EXTRA_KEYREAD_PRESERVE_FIELDS: { if (!m_myisam) - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); } break; @@ -8842,7 +8861,7 @@ int ha_partition::extra(enum ha_extra_function operation) case HA_EXTRA_REMEMBER_POS: case HA_EXTRA_RESTORE_POS: { - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); } case HA_EXTRA_NO_READCHECK: { @@ -8874,7 +8893,7 @@ int ha_partition::extra(enum ha_extra_function operation) m_extra_cache_size= 0; m_extra_prepare_for_update= FALSE; m_extra_cache_part_id= NO_CURRENT_PART_ID; - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); } case HA_EXTRA_IGNORE_NO_KEY: case HA_EXTRA_NO_IGNORE_NO_KEY: @@ -8895,11 +8914,11 @@ int ha_partition::extra(enum ha_extra_function operation) At this time, this is safe by limitation of ha_partition */ - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); } /* Category 7), used by federated handlers */ case HA_EXTRA_INSERT_WITH_UPDATE: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); /* Category 8) Operations only used by NDB */ case HA_EXTRA_DELETE_CANNOT_BATCH: case HA_EXTRA_UPDATE_CANNOT_BATCH: @@ -8909,13 +8928,13 @@ int ha_partition::extra(enum ha_extra_function operation) } /* Category 9) Operations only used by MERGE */ case HA_EXTRA_ADD_CHILDREN_LIST: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); case HA_EXTRA_ATTACH_CHILDREN: { int result; uint num_locks; handler **file; - if ((result= loop_extra(operation))) + if ((result= loop_partitions(extra_cb, &operation))) DBUG_RETURN(result); /* Recalculate lock count as each child may have different set of locks */ @@ -8930,9 +8949,9 @@ int ha_partition::extra(enum ha_extra_function operation) break; } case HA_EXTRA_IS_ATTACHED_CHILDREN: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); case HA_EXTRA_DETACH_CHILDREN: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); case HA_EXTRA_MARK_AS_LOG_TABLE: /* http://dev.mysql.com/doc/refman/5.1/en/partitioning-limitations.html @@ -8944,7 +8963,7 @@ int ha_partition::extra(enum ha_extra_function operation) case HA_EXTRA_BEGIN_ALTER_COPY: case HA_EXTRA_END_ALTER_COPY: case HA_EXTRA_FAKE_START_STMT: - DBUG_RETURN(loop_extra(operation)); + DBUG_RETURN(loop_partitions(extra_cb, &operation)); default: { /* Temporary crash to discover what is wrong */ @@ -8952,7 +8971,7 @@ int ha_partition::extra(enum ha_extra_function operation) break; } } - DBUG_RETURN(0); + DBUG_RETURN(1); } @@ -8990,25 +9009,41 @@ int ha_partition::reset(void) } /* - Special extra method for HA_EXTRA_CACHE with cachesize as extra parameter + Special extra method with additional parameter + See @ref ha_partition::extra - SYNOPSIS - extra_opt() - operation Must be HA_EXTRA_CACHE - cachesize Size of cache in full table scan + @param[in] operation operation to execute + @param[in] arg extra argument - RETURN VALUE - >0 Error code - 0 Success + @return status + @retval 0 success + @retval >0 error code + + @detail + Operations supported by extra_opt: + HA_EXTRA_KEYREAD: + arg is interpreted as key index + HA_EXTRA_CACHE: + arg is interpreted as size of cache in full table scan + + For detailed description refer to @ref ha_partition::extra */ -int ha_partition::extra_opt(enum ha_extra_function operation, ulong cachesize) +int ha_partition::extra_opt(enum ha_extra_function operation, ulong arg) { - DBUG_ENTER("ha_partition::extra_opt()"); + DBUG_ENTER("ha_partition::extra_opt"); - DBUG_ASSERT(HA_EXTRA_CACHE == operation); - prepare_extra_cache(cachesize); - DBUG_RETURN(0); + switch (operation) + { + case HA_EXTRA_KEYREAD: + DBUG_RETURN(loop_partitions(start_keyread_cb, &arg)); + case HA_EXTRA_CACHE: + prepare_extra_cache(arg); + DBUG_RETURN(0); + default: + DBUG_ASSERT(0); + } + DBUG_RETURN(1); } @@ -9071,28 +9106,28 @@ int ha_partition::loop_extra_alter(enum ha_extra_function operation) if ((tmp= (*file)->extra(operation))) result= tmp; } - if ((tmp= loop_extra(operation))) + if ((tmp= loop_partitions(extra_cb, &operation))) result= tmp; DBUG_RETURN(result); } -/* - Call extra on all partitions - SYNOPSIS - loop_extra() - operation extra operation type +/** + Call callback(part, param) on all partitions - RETURN VALUE - >0 Error code - 0 Success + @param callback a callback to call for each partition + @param param a void*-parameter passed to callback + + @return Operation status + @retval >0 Error code + @retval 0 Success */ -int ha_partition::loop_extra(enum ha_extra_function operation) +int ha_partition::loop_partitions(handler_callback callback, void *param) { int result= 0, tmp; uint i; - DBUG_ENTER("ha_partition::loop_extra()"); + DBUG_ENTER("ha_partition::loop_partitions"); for (i= bitmap_get_first_set(&m_part_info->lock_partitions); i < m_tot_parts; @@ -9103,7 +9138,7 @@ int ha_partition::loop_extra(enum ha_extra_function operation) In this case calling 'extra' can crash. */ if (bitmap_is_set(&m_opened_partitions, i) && - (tmp= m_file[i]->extra(operation))) + (tmp= callback(m_file[i], param))) result= tmp; } /* Add all used partitions to be called in reset(). */ |