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mirror of https://github.com/MariaDB/server.git synced 2025-08-31 22:22:30 +03:00

Merge of 5.1-main into 5.1-maria. There were no changes to storage/myisam, or mysql-test/t/*myisam*.

However there were three new tests mysql-test/suite/parts/t/partition*myisam.test, of which I make here
copies for Maria.
This commit is contained in:
Guilhem Bichot
2008-11-21 15:21:50 +01:00
400 changed files with 265530 additions and 236652 deletions

View File

@@ -263,7 +263,7 @@ handler *get_ha_partition(partition_info *part_info)
DBUG_ENTER("get_ha_partition");
if ((partition= new ha_partition(partition_hton, part_info)))
{
if (partition->initialise_partition(current_thd->mem_root))
if (partition->initialize_partition(current_thd->mem_root))
{
delete partition;
partition= 0;
@@ -373,7 +373,12 @@ int ha_finalize_handlerton(st_plugin_int *plugin)
handlerton *hton= (handlerton *)plugin->data;
DBUG_ENTER("ha_finalize_handlerton");
switch (hton->state) {
/* hton can be NULL here, if ha_initialize_handlerton() failed. */
if (!hton)
goto end;
switch (hton->state)
{
case SHOW_OPTION_NO:
case SHOW_OPTION_DISABLED:
break;
@@ -400,8 +405,16 @@ int ha_finalize_handlerton(st_plugin_int *plugin)
}
}
/*
In case a plugin is uninstalled and re-installed later, it should
reuse an array slot. Otherwise the number of uninstall/install
cycles would be limited.
*/
hton2plugin[hton->slot]= NULL;
my_free((uchar*)hton, MYF(0));
end:
DBUG_RETURN(0);
}
@@ -436,6 +449,7 @@ int ha_initialize_handlerton(st_plugin_int *plugin)
case SHOW_OPTION_YES:
{
uint tmp;
ulong fslot;
/* now check the db_type for conflict */
if (hton->db_type <= DB_TYPE_UNKNOWN ||
hton->db_type >= DB_TYPE_DEFAULT ||
@@ -460,7 +474,31 @@ int ha_initialize_handlerton(st_plugin_int *plugin)
tmp= hton->savepoint_offset;
hton->savepoint_offset= savepoint_alloc_size;
savepoint_alloc_size+= tmp;
hton->slot= total_ha++;
/*
In case a plugin is uninstalled and re-installed later, it should
reuse an array slot. Otherwise the number of uninstall/install
cycles would be limited. So look for a free slot.
*/
DBUG_PRINT("plugin", ("total_ha: %lu", total_ha));
for (fslot= 0; fslot < total_ha; fslot++)
{
if (!hton2plugin[fslot])
break;
}
if (fslot < total_ha)
hton->slot= fslot;
else
{
if (total_ha >= MAX_HA)
{
sql_print_error("Too many plugins loaded. Limit is %lu. "
"Failed on '%s'", (ulong) MAX_HA, plugin->name.str);
goto err;
}
hton->slot= total_ha++;
}
hton2plugin[hton->slot]=plugin;
if (hton->prepare)
total_ha_2pc++;
@@ -1240,7 +1278,12 @@ int ha_rollback_trans(THD *thd, bool all)
trans->ha_list= 0;
trans->no_2pc=0;
if (is_real_trans)
thd->transaction.xid_state.xid.null();
{
if (thd->transaction_rollback_request)
thd->transaction.xid_state.rm_error= thd->main_da.sql_errno();
else
thd->transaction.xid_state.xid.null();
}
if (all)
{
thd->variables.tx_isolation=thd->session_tx_isolation;
@@ -2164,7 +2207,12 @@ prev_insert_id(ulonglong nr, struct system_variables *variables)
- In both cases, the reserved intervals are remembered in
thd->auto_inc_intervals_in_cur_stmt_for_binlog if statement-based
binlogging; the last reserved interval is remembered in
auto_inc_interval_for_cur_row.
auto_inc_interval_for_cur_row. The number of reserved intervals is
remembered in auto_inc_intervals_count. It differs from the number of
elements in thd->auto_inc_intervals_in_cur_stmt_for_binlog() because the
latter list is cumulative over all statements forming one binlog event
(when stored functions and triggers are used), and collapses two
contiguous intervals in one (see its append() method).
The idea is that generated auto_increment values are predictable and
independent of the column values in the table. This is needed to be
@@ -2248,8 +2296,6 @@ int handler::update_auto_increment()
handler::estimation_rows_to_insert was set by
handler::ha_start_bulk_insert(); if 0 it means "unknown".
*/
uint nb_already_reserved_intervals=
thd->auto_inc_intervals_in_cur_stmt_for_binlog.nb_elements();
ulonglong nb_desired_values;
/*
If an estimation was given to the engine:
@@ -2261,17 +2307,17 @@ int handler::update_auto_increment()
start, starting from AUTO_INC_DEFAULT_NB_ROWS.
Don't go beyond a max to not reserve "way too much" (because
reservation means potentially losing unused values).
Note that in prelocked mode no estimation is given.
*/
if (nb_already_reserved_intervals == 0 &&
(estimation_rows_to_insert > 0))
if ((auto_inc_intervals_count == 0) && (estimation_rows_to_insert > 0))
nb_desired_values= estimation_rows_to_insert;
else /* go with the increasing defaults */
{
/* avoid overflow in formula, with this if() */
if (nb_already_reserved_intervals <= AUTO_INC_DEFAULT_NB_MAX_BITS)
if (auto_inc_intervals_count <= AUTO_INC_DEFAULT_NB_MAX_BITS)
{
nb_desired_values= AUTO_INC_DEFAULT_NB_ROWS *
(1 << nb_already_reserved_intervals);
nb_desired_values= AUTO_INC_DEFAULT_NB_ROWS *
(1 << auto_inc_intervals_count);
set_if_smaller(nb_desired_values, AUTO_INC_DEFAULT_NB_MAX);
}
else
@@ -2284,7 +2330,7 @@ int handler::update_auto_increment()
&nb_reserved_values);
if (nr == ~(ulonglong) 0)
DBUG_RETURN(HA_ERR_AUTOINC_READ_FAILED); // Mark failure
/*
That rounding below should not be needed when all engines actually
respect offset and increment in get_auto_increment(). But they don't
@@ -2295,7 +2341,7 @@ int handler::update_auto_increment()
*/
nr= compute_next_insert_id(nr-1, variables);
}
if (table->s->next_number_keypart == 0)
{
/* We must defer the appending until "nr" has been possibly truncated */
@@ -2339,8 +2385,9 @@ int handler::update_auto_increment()
{
auto_inc_interval_for_cur_row.replace(nr, nb_reserved_values,
variables->auto_increment_increment);
auto_inc_intervals_count++;
/* Row-based replication does not need to store intervals in binlog */
if (!thd->current_stmt_binlog_row_based)
if (mysql_bin_log.is_open() && !thd->current_stmt_binlog_row_based)
thd->auto_inc_intervals_in_cur_stmt_for_binlog.append(auto_inc_interval_for_cur_row.minimum(),
auto_inc_interval_for_cur_row.values(),
variables->auto_increment_increment);
@@ -2460,6 +2507,7 @@ void handler::ha_release_auto_increment()
release_auto_increment();
insert_id_for_cur_row= 0;
auto_inc_interval_for_cur_row.replace(0, 0, 0);
auto_inc_intervals_count= 0;
if (next_insert_id > 0)
{
next_insert_id= 0;
@@ -2712,8 +2760,56 @@ bool handler::get_error_message(int error, String* buf)
}
/**
Check for incompatible collation changes.
@retval
HA_ADMIN_NEEDS_UPGRADE Table may have data requiring upgrade.
@retval
0 No upgrade required.
*/
int handler::check_collation_compatibility()
{
ulong mysql_version= table->s->mysql_version;
if (mysql_version < 50124)
{
KEY *key= table->key_info;
KEY *key_end= key + table->s->keys;
for (; key < key_end; key++)
{
KEY_PART_INFO *key_part= key->key_part;
KEY_PART_INFO *key_part_end= key_part + key->key_parts;
for (; key_part < key_part_end; key_part++)
{
if (!key_part->fieldnr)
continue;
Field *field= table->field[key_part->fieldnr - 1];
uint cs_number= field->charset()->number;
if ((mysql_version < 50048 &&
(cs_number == 11 || /* ascii_general_ci - bug #29499, bug #27562 */
cs_number == 41 || /* latin7_general_ci - bug #29461 */
cs_number == 42 || /* latin7_general_cs - bug #29461 */
cs_number == 20 || /* latin7_estonian_cs - bug #29461 */
cs_number == 21 || /* latin2_hungarian_ci - bug #29461 */
cs_number == 22 || /* koi8u_general_ci - bug #29461 */
cs_number == 23 || /* cp1251_ukrainian_ci - bug #29461 */
cs_number == 26)) || /* cp1250_general_ci - bug #29461 */
(mysql_version < 50124 &&
(cs_number == 33 || /* utf8_general_ci - bug #27877 */
cs_number == 35))) /* ucs2_general_ci - bug #27877 */
return HA_ADMIN_NEEDS_UPGRADE;
}
}
}
return 0;
}
int handler::ha_check_for_upgrade(HA_CHECK_OPT *check_opt)
{
int error;
KEY *keyinfo, *keyend;
KEY_PART_INFO *keypart, *keypartend;
@@ -2742,6 +2838,10 @@ int handler::ha_check_for_upgrade(HA_CHECK_OPT *check_opt)
}
if (table->s->frm_version != FRM_VER_TRUE_VARCHAR)
return HA_ADMIN_NEEDS_ALTER;
if ((error= check_collation_compatibility()))
return error;
return check_for_upgrade(check_opt);
}
@@ -3244,8 +3344,8 @@ handler::ha_create_handler_files(const char *name, const char *old_name,
int
handler::ha_change_partitions(HA_CREATE_INFO *create_info,
const char *path,
ulonglong *copied,
ulonglong *deleted,
ulonglong * const copied,
ulonglong * const deleted,
const uchar *pack_frm_data,
size_t pack_frm_len)
{
@@ -4334,6 +4434,8 @@ static int write_locked_table_maps(THD *thd)
(long) thd, (long) thd->lock,
(long) thd->locked_tables, (long) thd->extra_lock));
DBUG_PRINT("debug", ("get_binlog_table_maps(): %d", thd->get_binlog_table_maps()));
if (thd->get_binlog_table_maps() == 0)
{
MYSQL_LOCK *locks[3];