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-rw-r--r--sql/ha_partition.cc129
1 files changed, 81 insertions, 48 deletions
diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index 241de106b9d..f5302119187 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -419,7 +419,7 @@ const char *ha_partition::table_type() const
ha_partition::~ha_partition()
{
- DBUG_ENTER("ha_partition::~ha_partition()");
+ DBUG_ENTER("ha_partition::~ha_partition");
if (m_new_partitions_share_refs.elements)
m_new_partitions_share_refs.delete_elements();
if (m_file != NULL)
@@ -634,7 +634,7 @@ int ha_partition::create_partitioning_metadata(const char *path,
const char *old_path,
int action_flag)
{
- DBUG_ENTER("ha_partition::create_partitioning_metadata()");
+ DBUG_ENTER("ha_partition::create_partitioning_metadata");
/*
We need to update total number of parts since we might write the handler
@@ -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);
}
@@ -8989,26 +9008,42 @@ int ha_partition::reset(void)
DBUG_RETURN(result);
}
-/*
- 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);
}
@@ -9025,7 +9060,7 @@ int ha_partition::extra_opt(enum ha_extra_function operation, ulong cachesize)
void ha_partition::prepare_extra_cache(uint cachesize)
{
- DBUG_ENTER("ha_partition::prepare_extra_cache()");
+ DBUG_ENTER("ha_partition::prepare_extra_cache");
DBUG_PRINT("enter", ("cachesize %u", cachesize));
m_extra_cache= TRUE;
@@ -9055,7 +9090,7 @@ int ha_partition::loop_extra_alter(enum ha_extra_function operation)
{
int result= 0, tmp;
handler **file;
- DBUG_ENTER("ha_partition::loop_extra_alter()");
+ DBUG_ENTER("ha_partition::loop_extra_alter");
DBUG_ASSERT(operation == HA_EXTRA_PREPARE_FOR_RENAME ||
operation == HA_EXTRA_FORCE_REOPEN);
@@ -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(). */
@@ -10856,11 +10891,9 @@ int ha_partition::check_for_upgrade(HA_CHECK_OPT *check_opt)
}
m_part_info->key_algorithm= partition_info::KEY_ALGORITHM_51;
if (skip_generation ||
- !(part_buf= generate_partition_syntax(thd, m_part_info,
- &part_buf_len,
- true,
- NULL,
- NULL)) ||
+ !(part_buf= generate_partition_syntax_for_frm(thd, m_part_info,
+ &part_buf_len,
+ NULL, NULL)) ||
print_admin_msg(thd, SQL_ADMIN_MSG_TEXT_SIZE + 1, "error",
table_share->db.str,
table->alias,