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authorAlexander Nozdrin <alik@sun.com>2010-06-07 12:47:04 +0400
committerAlexander Nozdrin <alik@sun.com>2010-06-07 12:47:04 +0400
commitf29d24b0f88b67504bc701b6f2773a0109ad6154 (patch)
tree4268070936d3c9dbd27165b1d9c1593e17ec0d61 /sql/ha_partition.cc
parent9b5312db1d78247b893066205cffe8b32e0f573d (diff)
parent60a9d9bbb94ac03159bcc2d75b649abb1c9dc956 (diff)
downloadmariadb-git-f29d24b0f88b67504bc701b6f2773a0109ad6154.tar.gz
Manual merge from mysql-trunk-bugfixing.
Conflicts: - BUILD/SETUP.sh - mysql-test/mysql-test-run.pl - mysql-test/r/partition_error.result - mysql-test/t/disabled.def - mysql-test/t/partition_error.test - sql/share/errmsg-utf8.txt
Diffstat (limited to 'sql/ha_partition.cc')
-rw-r--r--sql/ha_partition.cc214
1 files changed, 45 insertions, 169 deletions
diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index ac05a699c7d..a6f106be3be 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -59,6 +59,7 @@
#include "sql_table.h" // tablename_to_filename
#include "key.h"
#include "sql_plugin.h"
+#include "table.h" /* HA_DATA_PARTITION */
#include "debug_sync.h"
@@ -2510,12 +2511,11 @@ err1:
A destructor for partition-specific TABLE_SHARE data.
*/
-void ha_data_partition_destroy(void *ha_data)
+void ha_data_partition_destroy(HA_DATA_PARTITION* ha_part_data)
{
- if (ha_data)
+ if (ha_part_data)
{
- HA_DATA_PARTITION *ha_data_partition= (HA_DATA_PARTITION*) ha_data;
- pthread_mutex_destroy(&ha_data_partition->mutex);
+ mysql_mutex_destroy(&ha_part_data->LOCK_auto_inc);
}
}
@@ -2655,28 +2655,30 @@ int ha_partition::open(const char *name, int mode, uint test_if_locked)
goto err_handler;
/*
- Use table_share->ha_data to share auto_increment_value among all handlers
- for the same table.
+ Use table_share->ha_part_data to share auto_increment_value among
+ all handlers for the same table.
*/
if (is_not_tmp_table)
mysql_mutex_lock(&table_share->LOCK_ha_data);
- if (!table_share->ha_data)
+ if (!table_share->ha_part_data)
{
- HA_DATA_PARTITION *ha_data;
/* currently only needed for auto_increment */
- table_share->ha_data= ha_data= (HA_DATA_PARTITION*)
+ table_share->ha_part_data= (HA_DATA_PARTITION*)
alloc_root(&table_share->mem_root,
sizeof(HA_DATA_PARTITION));
- if (!ha_data)
+ if (!table_share->ha_part_data)
{
if (is_not_tmp_table)
mysql_mutex_unlock(&table_share->LOCK_ha_data);
goto err_handler;
}
- DBUG_PRINT("info", ("table_share->ha_data 0x%p", ha_data));
- bzero(ha_data, sizeof(HA_DATA_PARTITION));
- table_share->ha_data_destroy= ha_data_partition_destroy;
- pthread_mutex_init(&ha_data->mutex, MY_MUTEX_INIT_FAST);
+ DBUG_PRINT("info", ("table_share->ha_part_data 0x%p",
+ table_share->ha_part_data));
+ bzero(table_share->ha_part_data, sizeof(HA_DATA_PARTITION));
+ table_share->ha_part_data_destroy= ha_data_partition_destroy;
+ mysql_mutex_init(key_PARTITION_LOCK_auto_inc,
+ &table_share->ha_part_data->LOCK_auto_inc,
+ MY_MUTEX_INIT_FAST);
}
if (is_not_tmp_table)
mysql_mutex_unlock(&table_share->LOCK_ha_data);
@@ -3101,7 +3103,6 @@ int ha_partition::write_row(uchar * buf)
longlong func_value;
bool have_auto_increment= table->next_number_field && buf == table->record[0];
my_bitmap_map *old_map;
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
THD *thd= ha_thd();
timestamp_auto_set_type orig_timestamp_type= table->timestamp_field_type;
#ifdef NOT_NEEDED
@@ -3121,8 +3122,8 @@ int ha_partition::write_row(uchar * buf)
*/
if (have_auto_increment)
{
- if (!ha_data->auto_inc_initialized &&
- !table->s->next_number_keypart)
+ if (!table_share->ha_part_data->auto_inc_initialized &&
+ !table_share->next_number_keypart)
{
/*
If auto_increment in table_share is not initialized, start by
@@ -3262,7 +3263,7 @@ int ha_partition::update_row(const uchar *old_data, uchar *new_data)
exit:
/*
if updating an auto_increment column, update
- table_share->ha_data->next_auto_inc_val if needed.
+ table_share->ha_part_data->next_auto_inc_val if needed.
(not to be used if auto_increment on secondary field in a multi-column
index)
mysql_update does not set table->next_number_field, so we use
@@ -3271,8 +3272,7 @@ exit:
if (table->found_next_number_field && new_data == table->record[0] &&
!table->s->next_number_keypart)
{
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
- if (!ha_data->auto_inc_initialized)
+ if (!table_share->ha_part_data->auto_inc_initialized)
info(HA_STATUS_AUTO);
set_auto_increment_if_higher(table->found_next_number_field);
}
@@ -3364,11 +3364,10 @@ int ha_partition::delete_all_rows()
if (thd->lex->sql_command == SQLCOM_TRUNCATE)
{
Alter_info *alter_info= &thd->lex->alter_info;
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
/* TRUNCATE also means resetting auto_increment */
lock_auto_increment();
- ha_data->next_auto_inc_val= 0;
- ha_data->auto_inc_initialized= FALSE;
+ table_share->ha_part_data->next_auto_inc_val= 0;
+ table_share->ha_part_data->auto_inc_initialized= FALSE;
unlock_auto_increment();
if (alter_info->flags & ALTER_ADMIN_PARTITION)
{
@@ -4195,10 +4194,9 @@ int ha_partition::index_read_map(uchar *buf, const uchar *key,
int ha_partition::common_index_read(uchar *buf, bool have_start_key)
{
int error;
- uint key_len;
+ uint UNINIT_VAR(key_len); /* used if have_start_key==TRUE */
bool reverse_order= FALSE;
DBUG_ENTER("ha_partition::common_index_read");
- LINT_INIT(key_len); /* used if have_start_key==TRUE */
DBUG_PRINT("info", ("m_ordered %u m_ordered_scan_ong %u have_start_key %u",
m_ordered, m_ordered_scan_ongoing, have_start_key));
@@ -5084,22 +5082,22 @@ int ha_partition::info(uint flag)
if (flag & HA_STATUS_AUTO)
{
bool auto_inc_is_first_in_idx= (table_share->next_number_keypart == 0);
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
DBUG_PRINT("info", ("HA_STATUS_AUTO"));
if (!table->found_next_number_field)
stats.auto_increment_value= 0;
- else if (ha_data->auto_inc_initialized)
+ else if (table_share->ha_part_data->auto_inc_initialized)
{
lock_auto_increment();
- stats.auto_increment_value= ha_data->next_auto_inc_val;
+ stats.auto_increment_value= table_share->ha_part_data->next_auto_inc_val;
unlock_auto_increment();
}
else
{
lock_auto_increment();
/* to avoid two concurrent initializations, check again when locked */
- if (ha_data->auto_inc_initialized)
- stats.auto_increment_value= ha_data->next_auto_inc_val;
+ if (table_share->ha_part_data->auto_inc_initialized)
+ stats.auto_increment_value=
+ table_share->ha_part_data->next_auto_inc_val;
else
{
handler *file, **file_array;
@@ -5119,10 +5117,11 @@ int ha_partition::info(uint flag)
stats.auto_increment_value= auto_increment_value;
if (auto_inc_is_first_in_idx)
{
- set_if_bigger(ha_data->next_auto_inc_val, auto_increment_value);
- ha_data->auto_inc_initialized= TRUE;
+ set_if_bigger(table_share->ha_part_data->next_auto_inc_val,
+ auto_increment_value);
+ table_share->ha_part_data->auto_inc_initialized= TRUE;
DBUG_PRINT("info", ("initializing next_auto_inc_val to %lu",
- (ulong) ha_data->next_auto_inc_val));
+ (ulong) table_share->ha_part_data->next_auto_inc_val));
}
}
unlock_auto_increment();
@@ -5297,7 +5296,7 @@ int ha_partition::info(uint flag)
}
-void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info,
+void ha_partition::get_dynamic_partition_info(PARTITION_STATS *stat_info,
uint part_id)
{
handler *file= m_file[part_id];
@@ -6512,11 +6511,10 @@ int ha_partition::reset_auto_increment(ulonglong value)
{
handler **file= m_file;
int res;
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
DBUG_ENTER("ha_partition::reset_auto_increment");
lock_auto_increment();
- ha_data->auto_inc_initialized= FALSE;
- ha_data->next_auto_inc_val= 0;
+ table_share->ha_part_data->auto_inc_initialized= FALSE;
+ table_share->ha_part_data->next_auto_inc_val= 0;
do
{
if ((res= (*file)->ha_reset_auto_increment(value)) != 0)
@@ -6530,7 +6528,7 @@ int ha_partition::reset_auto_increment(ulonglong value)
/**
This method is called by update_auto_increment which in turn is called
by the individual handlers as part of write_row. We use the
- table_share->ha_data->next_auto_inc_val, or search all
+ table_share->ha_part_data->next_auto_inc_val, or search all
partitions for the highest auto_increment_value if not initialized or
if auto_increment field is a secondary part of a key, we must search
every partition when holding a mutex to be sure of correctness.
@@ -6583,13 +6581,12 @@ void ha_partition::get_auto_increment(ulonglong offset, ulonglong increment,
else
{
THD *thd= ha_thd();
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
/*
This is initialized in the beginning of the first write_row call.
*/
- DBUG_ASSERT(ha_data->auto_inc_initialized);
+ DBUG_ASSERT(table_share->ha_part_data->auto_inc_initialized);
/*
- Get a lock for handling the auto_increment in table_share->ha_data
+ Get a lock for handling the auto_increment in table_share->ha_part_data
for avoiding two concurrent statements getting the same number.
*/
@@ -6616,8 +6613,9 @@ void ha_partition::get_auto_increment(ulonglong offset, ulonglong increment,
}
/* this gets corrected (for offset/increment) in update_auto_increment */
- *first_value= ha_data->next_auto_inc_val;
- ha_data->next_auto_inc_val+= nb_desired_values * increment;
+ *first_value= table_share->ha_part_data->next_auto_inc_val;
+ table_share->ha_part_data->next_auto_inc_val+=
+ nb_desired_values * increment;
unlock_auto_increment();
DBUG_PRINT("info", ("*first_value: %lu", (ulong) *first_value));
@@ -6637,10 +6635,9 @@ void ha_partition::release_auto_increment()
}
else if (next_insert_id)
{
- HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
ulonglong next_auto_inc_val;
lock_auto_increment();
- next_auto_inc_val= ha_data->next_auto_inc_val;
+ next_auto_inc_val= table_share->ha_part_data->next_auto_inc_val;
/*
If the current auto_increment values is lower than the reserved
value, and the reserved value was reserved by this thread,
@@ -6655,10 +6652,10 @@ void ha_partition::release_auto_increment()
with SET INSERT_ID, i.e. forced/non generated values.
*/
if (thd->auto_inc_intervals_forced.maximum() < next_insert_id)
- ha_data->next_auto_inc_val= next_insert_id;
+ table_share->ha_part_data->next_auto_inc_val= next_insert_id;
}
- DBUG_PRINT("info", ("ha_data->next_auto_inc_val: %lu",
- (ulong) ha_data->next_auto_inc_val));
+ DBUG_PRINT("info", ("table_share->ha_part_data->next_auto_inc_val: %lu",
+ (ulong) table_share->ha_part_data->next_auto_inc_val));
/* Unlock the multi row statement lock taken in get_auto_increment */
if (auto_increment_safe_stmt_log_lock)
@@ -6758,127 +6755,6 @@ int ha_partition::indexes_are_disabled(void)
}
-/****************************************************************************
- MODULE Partition Share
-****************************************************************************/
-/*
- Service routines for ... methods.
--------------------------------------------------------------------------
- Variables for partition share methods. A hash used to track open tables.
- A mutex for the hash table and an init variable to check if hash table
- is initialized.
- There is also a constant ending of the partition handler file name.
-*/
-
-#ifdef NOT_USED
-static HASH partition_open_tables;
-static mysql_mutex_t partition_mutex;
-static int partition_init= 0;
-
-
-/*
- Function we use in the creation of our hash to get key.
-*/
-
-static uchar *partition_get_key(PARTITION_SHARE *share, size_t *length,
- my_bool not_used __attribute__ ((unused)))
-{
- *length= share->table_name_length;
- return (uchar *) share->table_name;
-}
-
-/*
- Example of simple lock controls. The "share" it creates is structure we
- will pass to each partition handler. Do you have to have one of these?
- Well, you have pieces that are used for locking, and they are needed to
- function.
-*/
-
-static PARTITION_SHARE *get_share(const char *table_name, TABLE *table)
-{
- PARTITION_SHARE *share;
- uint length;
- char *tmp_name;
-
- /*
- So why does this exist? There is no way currently to init a storage
- engine.
- Innodb and BDB both have modifications to the server to allow them to
- do this. Since you will not want to do this, this is probably the next
- best method.
- */
- if (!partition_init)
- {
- /* Hijack a mutex for init'ing the storage engine */
- mysql_mutex_lock(&LOCK_mysql_create_db);
- if (!partition_init)
- {
- partition_init++;
- mysql_mutex_init(INSTRUMENT_ME, &partition_mutex, MY_MUTEX_INIT_FAST);
- (void) hash_init(&partition_open_tables, system_charset_info, 32, 0, 0,
- (hash_get_key) partition_get_key, 0, 0);
- }
- mysql_mutex_unlock(&LOCK_mysql_create_db);
- }
- mysql_mutex_lock(&partition_mutex);
- length= (uint) strlen(table_name);
-
- if (!(share= (PARTITION_SHARE *) hash_search(&partition_open_tables,
- (uchar *) table_name, length)))
- {
- if (!(share= (PARTITION_SHARE *)
- my_multi_malloc(MYF(MY_WME | MY_ZEROFILL),
- &share, (uint) sizeof(*share),
- &tmp_name, (uint) length + 1, NullS)))
- {
- mysql_mutex_unlock(&partition_mutex);
- return NULL;
- }
-
- share->use_count= 0;
- share->table_name_length= length;
- share->table_name= tmp_name;
- strmov(share->table_name, table_name);
- if (my_hash_insert(&partition_open_tables, (uchar *) share))
- goto error;
- thr_lock_init(&share->lock);
- mysql_mutex_init(INSTRUMENT_ME, &share->mutex, MY_MUTEX_INIT_FAST);
- }
- share->use_count++;
- mysql_mutex_unlock(&partition_mutex);
-
- return share;
-
-error:
- mysql_mutex_unlock(&partition_mutex);
- my_free((uchar*) share, MYF(0));
-
- return NULL;
-}
-
-
-/*
- Free lock controls. We call this whenever we close a table. If the table
- had the last reference to the share then we free memory associated with
- it.
-*/
-
-static int free_share(PARTITION_SHARE *share)
-{
- mysql_mutex_lock(&partition_mutex);
- if (!--share->use_count)
- {
- hash_delete(&partition_open_tables, (uchar *) share);
- thr_lock_delete(&share->lock);
- mysql_mutex_destroy(&share->mutex);
- my_free((uchar*) share, MYF(0));
- }
- mysql_mutex_unlock(&partition_mutex);
-
- return 0;
-}
-#endif /* NOT_USED */
-
struct st_mysql_storage_engine partition_storage_engine=
{ MYSQL_HANDLERTON_INTERFACE_VERSION };