62
58
List<CreateField> &create,
64
60
uint32_t order_num,
68
64
enum enum_enable_or_disable keys_onoff,
69
65
bool error_if_not_empty);
71
static bool prepare_alter_table(Session *session,
67
static bool mysql_prepare_alter_table(Session *session,
73
69
HA_CREATE_INFO *create_info,
74
70
const message::Table &original_proto,
75
71
message::Table &table_message,
76
72
AlterInfo *alter_info);
78
static Table *open_alter_table(Session *session, Table *table, identifier::Table &identifier);
82
AlterTable::AlterTable(Session *in_session, Table_ident *ident, drizzled::ha_build_method build_arg) :
83
CreateTable(in_session)
85
in_session->lex->sql_command= SQLCOM_ALTER_TABLE;
87
alter_info.build_method= build_arg;
90
} // namespace statement
74
static int create_temporary_table(Session *session,
75
TableIdentifier &identifier,
76
HA_CREATE_INFO *create_info,
77
message::Table &create_message,
78
AlterInfo *alter_info);
80
static Table *open_alter_table(Session *session, Table *table, TableIdentifier &identifier);
92
82
bool statement::AlterTable::execute()
94
TableList *first_table= (TableList *) getSession()->lex->select_lex.table_list.first;
95
TableList *all_tables= getSession()->lex->query_tables;
84
TableList *first_table= (TableList *) session->lex->select_lex.table_list.first;
85
TableList *all_tables= session->lex->query_tables;
96
86
assert(first_table == all_tables && first_table != 0);
97
Select_Lex *select_lex= &getSession()->lex->select_lex;
87
Select_Lex *select_lex= &session->lex->select_lex;
98
88
bool need_start_waiting= false;
100
is_engine_set= not createTableMessage().engine().name().empty();
102
90
if (is_engine_set)
104
create_info().db_type=
105
plugin::StorageEngine::findByName(*getSession(), createTableMessage().engine().name());
93
plugin::StorageEngine::findByName(*session, create_table_message.engine().name());
107
if (create_info().db_type == NULL)
95
if (create_info.db_type == NULL)
109
my_error(createTableMessage().engine().name(), ER_UNKNOWN_STORAGE_ENGINE, MYF(0));
97
my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0),
98
create_table_message.engine().name().c_str());
116
105
assert(select_lex->db);
118
107
/* Chicken/Egg... we need to search for the table, to know if the table exists, so we can build a full identifier from it */
119
message::table::shared_ptr original_table_message;
108
message::Table original_table_message;
121
identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName());
122
if (plugin::StorageEngine::getTableDefinition(*getSession(), identifier, original_table_message) != EEXIST)
110
TableIdentifier identifier(first_table->db, first_table->table_name);
111
if (plugin::StorageEngine::getTableDefinition(*session, identifier, original_table_message) != EEXIST)
124
my_error(ER_BAD_TABLE_ERROR, identifier);
113
my_error(ER_BAD_TABLE_ERROR, MYF(0), identifier.getSQLPath().c_str());
128
if (not create_info().db_type)
117
if (not create_info.db_type)
130
create_info().db_type=
131
plugin::StorageEngine::findByName(*getSession(), original_table_message->engine().name());
120
plugin::StorageEngine::findByName(*session, original_table_message.engine().name());
133
if (not create_info().db_type)
122
if (not create_info.db_type)
135
my_error(ER_BAD_TABLE_ERROR, identifier);
124
my_error(ER_BAD_TABLE_ERROR, MYF(0), identifier.getSQLPath().c_str());
141
130
if (not validateCreateTableOption())
144
if (getSession()->inTransaction())
146
my_error(ER_TRANSACTIONAL_DDL_NOT_SUPPORTED, MYF(0));
150
if (not (need_start_waiting= not getSession()->wait_if_global_read_lock(0, 1)))
135
/* ALTER TABLE ends previous transaction */
136
if (not session->endActiveTransaction())
141
if (not (need_start_waiting= ! wait_if_global_read_lock(session, 0, 1)))
154
if (original_table_message->type() == message::Table::STANDARD )
147
if (original_table_message.type() == message::Table::STANDARD )
156
identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName());
157
identifier::Table new_identifier(select_lex->db ? select_lex->db : first_table->getSchemaName(),
158
getSession()->lex->name.str ? getSession()->lex->name.str : first_table->getTableName());
149
TableIdentifier identifier(first_table->db, first_table->table_name);
150
TableIdentifier new_identifier(select_lex->db ? select_lex->db : first_table->db,
151
session->lex->name.str ? session->lex->name.str : first_table->table_name);
160
res= alter_table(getSession(),
153
res= alter_table(session,
164
*original_table_message,
165
createTableMessage(),
157
original_table_message,
158
create_table_message,
168
161
select_lex->order_list.elements,
169
(Order *) select_lex->order_list.first,
170
getSession()->lex->ignore);
162
(order_st *) select_lex->order_list.first,
163
session->lex->ignore);
174
identifier::Table catch22(first_table->getSchemaName(), first_table->getTableName());
175
Table *table= getSession()->find_temporary_table(catch22);
167
Table *table= session->find_temporary_table(first_table);
178
identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName(), table->getMutableShare()->getPath());
179
identifier::Table new_identifier(select_lex->db ? select_lex->db : first_table->getSchemaName(),
180
getSession()->lex->name.str ? getSession()->lex->name.str : first_table->getTableName(),
181
table->getMutableShare()->getPath());
170
TableIdentifier identifier(first_table->db, first_table->table_name, table->getMutableShare()->getPath());
171
TableIdentifier new_identifier(select_lex->db ? select_lex->db : first_table->db,
172
session->lex->name.str ? session->lex->name.str : first_table->table_name,
173
table->getMutableShare()->getPath());
183
res= alter_table(getSession(),
175
res= alter_table(session,
187
*original_table_message,
188
createTableMessage(),
179
original_table_message,
180
create_table_message,
191
183
select_lex->order_list.elements,
192
(Order *) select_lex->order_list.first,
193
getSession()->lex->ignore);
184
(order_st *) select_lex->order_list.first,
185
session->lex->ignore);
346
335
new_create_list.push_back(def);
347
336
alter_it.rewind(); /* Change default if ALTER */
348
337
AlterColumn *alter;
350
338
while ((alter= alter_it++))
352
340
if (! my_strcasecmp(system_charset_info,field->field_name, alter->name))
358
345
if (def->sql_type == DRIZZLE_TYPE_BLOB)
360
347
my_error(ER_BLOB_CANT_HAVE_DEFAULT, MYF(0), def->change);
364
350
if ((def->def= alter->def))
366
352
/* Use new default */
367
353
def->flags&= ~NO_DEFAULT_VALUE_FLAG;
371
356
def->flags|= NO_DEFAULT_VALUE_FLAG;
373
357
alter_it.remove();
379
362
while ((def= def_it++)) /* Add new columns */
381
364
if (def->change && ! def->field)
383
366
my_error(ER_BAD_FIELD_ERROR, MYF(0), def->change, table->getMutableShare()->getTableName());
387
If we have been given a field which has no default value, and is not null then we need to bail.
370
Check that the DATE/DATETIME not null field we are going to add is
371
either has a default value or the '0000-00-00' is allowed by the
373
If the '0000-00-00' value isn't allowed then raise the error_if_not_empty
374
flag to allow ALTER Table only if the table to be altered is empty.
389
if (not (~def->flags & (NO_DEFAULT_VALUE_FLAG | NOT_NULL_FLAG)) and not def->change)
376
if ((def->sql_type == DRIZZLE_TYPE_DATE ||
377
def->sql_type == DRIZZLE_TYPE_DATETIME) &&
378
! alter_info->datetime_field &&
379
! (~def->flags & (NO_DEFAULT_VALUE_FLAG | NOT_NULL_FLAG)))
381
alter_info->datetime_field= def;
391
382
alter_info->error_if_not_empty= true;
393
384
if (! def->after)
395
385
new_create_list.push_back(def);
397
386
else if (def->after == first_keyword)
399
387
new_create_list.push_front(def);
403
390
CreateField *find;
404
391
find_it.rewind();
406
392
while ((find= find_it++)) /* Add new columns */
408
if (not my_strcasecmp(system_charset_info,def->after, find->field_name))
394
if (! my_strcasecmp(system_charset_info,def->after, find->field_name))
414
399
my_error(ER_BAD_FIELD_ERROR, MYF(0), def->after, table->getMutableShare()->getTableName());
418
402
find_it.after(def); /* Put element after this */
421
404
XXX: hack for Bug#28427.
422
405
If column order has changed, force OFFLINE ALTER Table
723
695
We set this flag so that ha_innobase::open and ::external_lock() do
724
696
not complain when we lock the table
726
session->setDoingTablespaceOperation(true);
727
if (not (table= session->openTableLock(table_list, TL_WRITE)))
698
session->tablespace_op= true;
699
if (!(table= session->openTableLock(table_list, TL_WRITE)))
729
session->setDoingTablespaceOperation(false);
701
session->tablespace_op= false;
735
error= table->cursor->ha_discard_or_import_tablespace(discard);
737
session->set_proc_info("end");
742
/* The ALTER Table is always in its own transaction */
743
error= transaction_services.autocommitOrRollback(*session, false);
744
if (not session->endActiveTransaction())
750
write_bin_log(session, *session->getQueryString());
754
(void) transaction_services.autocommitOrRollback(*session, error);
755
session->setDoingTablespaceOperation(false);
705
error= table->cursor->ha_discard_or_import_tablespace(discard);
707
session->set_proc_info("end");
712
/* The ALTER Table is always in its own transaction */
713
error= transaction_services.autocommitOrRollback(session, false);
714
if (! session->endActiveTransaction())
718
write_bin_log(session, session->query.c_str());
721
(void) transaction_services.autocommitOrRollback(session, error);
722
session->tablespace_op=false;
996
952
while the fact that the table is still open gives us protection
997
953
from concurrent DDL statements.
1000
boost::mutex::scoped_lock scopedLock(table::Cache::singleton().mutex()); /* DDL wait for/blocker */
1001
wait_while_table_is_used(session, table, HA_EXTRA_FORCE_REOPEN);
955
LOCK_open.lock(); /* DDL wait for/blocker */
956
wait_while_table_is_used(session, table, HA_EXTRA_FORCE_REOPEN);
1003
958
error= table->cursor->ha_enable_indexes(HA_KEY_SWITCH_NONUNIQ_SAVE);
1005
959
/* COND_refresh will be signaled in close_thread_tables() */
1010
boost::mutex::scoped_lock scopedLock(table::Cache::singleton().mutex()); /* DDL wait for/blocker */
1011
wait_while_table_is_used(session, table, HA_EXTRA_FORCE_REOPEN);
1013
error= table->cursor->ha_disable_indexes(HA_KEY_SWITCH_NONUNIQ_SAVE);
962
LOCK_open.lock(); /* DDL wait for/blocker */
963
wait_while_table_is_used(session, table, HA_EXTRA_FORCE_REOPEN);
965
error=table->cursor->ha_disable_indexes(HA_KEY_SWITCH_NONUNIQ_SAVE);
1015
966
/* COND_refresh will be signaled in close_thread_tables() */
1019
974
if (error == HA_ERR_WRONG_COMMAND)
1022
977
push_warning_printf(session, DRIZZLE_ERROR::WARN_LEVEL_NOTE,
1023
978
ER_ILLEGAL_HA, ER(ER_ILLEGAL_HA),
1024
979
table->getAlias());
1027
boost::mutex::scoped_lock scopedLock(table::Cache::singleton().mutex()); /* Lock to remove all instances of table from table cache before ALTER */
982
LOCK_open.lock(); /* Lock to remove all instances of table from table cache before ALTER */
1029
984
Unlike to the above case close_cached_table() below will remove ALL
1030
985
instances of Table from table cache (it will also remove table lock
1031
986
held by this thread). So to make actual table renaming and writing
1032
987
to binlog atomic we have to put them into the same critical section
1033
protected by table::Cache::singleton().mutex() mutex. This also removes gap for races between
1034
access() and rename_table() calls.
988
protected by LOCK_open mutex. This also removes gap for races between
989
access() and mysql_rename_table() calls.
1037
if (not error && not (original_table_identifier == new_table_identifier))
992
if (error == 0 && not (original_table_identifier == new_table_identifier))
1039
994
session->set_proc_info("rename");
1256
1229
if (new_table->hasShare())
1258
delete new_table->getMutableShare();
1231
delete new_table->s;
1261
1235
delete new_table;
1265
boost::mutex::scoped_lock scopedLock(table::Cache::singleton().mutex()); /* ALTER TABLE */
1267
Data is copied. Now we:
1268
1) Wait until all other threads close old version of table.
1269
2) Close instances of table open by this thread and replace them
1270
with exclusive name-locks.
1271
3) Rename the old table to a temp name, rename the new one to the
1273
4) If we are under LOCK TABLES and don't do ALTER Table ... RENAME
1274
we reopen new version of table.
1275
5) Write statement to the binary log.
1276
6) If we are under LOCK TABLES and do ALTER Table ... RENAME we
1277
remove name-locks from list of open tables and table cache.
1278
7) If we are not not under LOCK TABLES we rely on close_thread_tables()
1279
call to remove name-locks from table cache and list of open table.
1282
session->set_proc_info("rename result table");
1284
snprintf(old_name, sizeof(old_name), "%s2-%lx-%"PRIx64, TMP_FILE_PREFIX, (unsigned long) current_pid, session->thread_id);
1286
my_casedn_str(files_charset_info, old_name);
1288
wait_while_table_is_used(session, table, HA_EXTRA_PREPARE_FOR_RENAME);
1289
session->close_data_files_and_morph_locks(original_table_identifier);
1294
This leads to the storage engine (SE) not being notified for renames in
1295
rename_table(), because we just juggle with the FRM and nothing
1296
more. If we have an intermediate table, then we notify the SE that
1297
it should become the actual table. Later, we will recycle the old table.
1298
However, in case of ALTER Table RENAME there might be no intermediate
1299
table. This is when the old and new tables are compatible, according to
1300
compare_table(). Then, we need one additional call to
1302
identifier::Table original_table_to_drop(original_table_identifier.getSchemaName(),
1303
old_name, create_proto.type() != message::Table::TEMPORARY ? message::Table::INTERNAL :
1304
message::Table::TEMPORARY);
1306
drizzled::error_t rename_error= EE_OK;
1307
if (rename_table(*session, original_engine, original_table_identifier, original_table_to_drop))
1238
LOCK_open.lock(); /* ALTER TABLE */
1241
Data is copied. Now we:
1242
1) Wait until all other threads close old version of table.
1243
2) Close instances of table open by this thread and replace them
1244
with exclusive name-locks.
1245
3) Rename the old table to a temp name, rename the new one to the
1247
4) If we are under LOCK TABLES and don't do ALTER Table ... RENAME
1248
we reopen new version of table.
1249
5) Write statement to the binary log.
1250
6) If we are under LOCK TABLES and do ALTER Table ... RENAME we
1251
remove name-locks from list of open tables and table cache.
1252
7) If we are not not under LOCK TABLES we rely on close_thread_tables()
1253
call to remove name-locks from table cache and list of open table.
1256
session->set_proc_info("rename result table");
1258
snprintf(old_name, sizeof(old_name), "%s2-%lx-%"PRIx64, TMP_FILE_PREFIX, (unsigned long) current_pid, session->thread_id);
1260
my_casedn_str(files_charset_info, old_name);
1262
wait_while_table_is_used(session, table, HA_EXTRA_PREPARE_FOR_RENAME);
1263
session->close_data_files_and_morph_locks(original_table_identifier);
1268
This leads to the storage engine (SE) not being notified for renames in
1269
mysql_rename_table(), because we just juggle with the FRM and nothing
1270
more. If we have an intermediate table, then we notify the SE that
1271
it should become the actual table. Later, we will recycle the old table.
1272
However, in case of ALTER Table RENAME there might be no intermediate
1273
table. This is when the old and new tables are compatible, according to
1274
compare_table(). Then, we need one additional call to
1276
TableIdentifier original_table_to_drop(original_table_identifier.getSchemaName(),
1277
old_name, create_proto.type() != message::Table::TEMPORARY ? message::Table::INTERNAL :
1278
message::Table::TEMPORARY);
1280
if (mysql_rename_table(*session, original_engine, original_table_identifier, original_table_to_drop))
1283
quick_rm_table(*session, new_table_as_temporary);
1287
if (mysql_rename_table(*session, new_engine, new_table_as_temporary, new_table_identifier) != 0)
1309
error= ER_ERROR_ON_RENAME;
1310
plugin::StorageEngine::dropTable(*session, new_table_as_temporary);
1289
/* Try to get everything back. */
1292
quick_rm_table(*session, new_table_identifier);
1294
quick_rm_table(*session, new_table_as_temporary);
1296
mysql_rename_table(*session, original_engine, original_table_to_drop, original_table_identifier);
1314
if (rename_table(*session, new_engine, new_table_as_temporary, new_table_identifier) != 0)
1316
/* Try to get everything back. */
1317
rename_error= ER_ERROR_ON_RENAME;
1319
plugin::StorageEngine::dropTable(*session, new_table_identifier);
1321
plugin::StorageEngine::dropTable(*session, new_table_as_temporary);
1323
rename_table(*session, original_engine, original_table_to_drop, original_table_identifier);
1327
plugin::StorageEngine::dropTable(*session, original_table_to_drop);
1334
An error happened while we were holding exclusive name-lock on table
1335
being altered. To be safe under LOCK TABLES we should remove placeholders
1336
from list of open tables list and table cache.
1338
session->unlink_open_table(table);
1300
quick_rm_table(*session, original_table_to_drop);
1307
An error happened while we were holding exclusive name-lock on table
1308
being altered. To be safe under LOCK TABLES we should remove placeholders
1309
from list of open tables list and table cache.
1311
session->unlink_open_table(table);
1344
1319
session->set_proc_info("end");
1346
write_bin_log(session, *session->getQueryString());
1321
write_bin_log(session, session->query.c_str());
1347
1322
table_list->table= NULL;
1506
1482
found_count=delete_count=0;
1512
if (to->getShare()->hasPrimaryKey() && to->cursor->primary_key_is_clustered())
1486
if (to->getShare()->hasPrimaryKey() && to->cursor->primary_key_is_clustered())
1488
char warn_buff[DRIZZLE_ERRMSG_SIZE];
1489
snprintf(warn_buff, sizeof(warn_buff),
1490
_("order_st BY ignored because there is a user-defined clustered "
1491
"index in the table '%-.192s'"),
1492
from->getMutableShare()->getTableName());
1493
push_warning(session, DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_UNKNOWN_ERROR,
1498
from->sort.io_cache= new internal::IO_CACHE;
1500
memset(&tables, 0, sizeof(tables));
1502
tables.alias= tables.table_name= const_cast<char *>(from->getMutableShare()->getTableName());
1503
tables.db= const_cast<char *>(from->getMutableShare()->getSchemaName());
1506
if (session->lex->select_lex.setup_ref_array(session, order_num) ||
1507
setup_order(session, session->lex->select_lex.ref_pointer_array,
1508
&tables, fields, all_fields, order) ||
1509
!(sortorder= make_unireg_sortorder(order, &length, NULL)) ||
1510
(from->sort.found_records= filesort(session, from, sortorder, length,
1511
(optimizer::SqlSelect *) 0, HA_POS_ERROR,
1512
1, &examined_rows)) ==
1514
char warn_buff[DRIZZLE_ERRMSG_SIZE];
1515
snprintf(warn_buff, sizeof(warn_buff),
1516
_("order_st BY ignored because there is a user-defined clustered "
1517
"index in the table '%-.192s'"),
1518
from->getMutableShare()->getTableName());
1519
push_warning(session, DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_UNKNOWN_ERROR,
1520
/* Tell handler that we have values for all columns in the to table */
1521
to->use_all_columns();
1522
info.init_read_record(session, from, (optimizer::SqlSelect *) 0, 1, true);
1524
to->cursor->extra(HA_EXTRA_IGNORE_DUP_KEY);
1525
session->row_count= 0;
1526
to->restoreRecordAsDefault(); // Create empty record
1527
while (!(error=info.read_record(&info)))
1529
if (session->killed)
1531
session->send_kill_message();
1535
session->row_count++;
1536
/* Return error if source table isn't empty. */
1537
if (error_if_not_empty)
1542
if (to->next_number_field)
1544
if (auto_increment_field_copied)
1545
to->auto_increment_field_not_null= true;
1524
FileSort filesort(*session);
1525
from->sort.io_cache= new internal::IO_CACHE;
1528
tables.setTableName(const_cast<char *>(from->getMutableShare()->getTableName()));
1529
tables.alias= const_cast<char *>(tables.getTableName());
1530
tables.setSchemaName(const_cast<char *>(from->getMutableShare()->getSchemaName()));
1533
if (session->lex->select_lex.setup_ref_array(session, order_num) ||
1534
setup_order(session, session->lex->select_lex.ref_pointer_array,
1535
&tables, fields, all_fields, order) ||
1536
!(sortorder= make_unireg_sortorder(order, &length, NULL)) ||
1537
(from->sort.found_records= filesort.run(from, sortorder, length,
1538
(optimizer::SqlSelect *) 0, HA_POS_ERROR,
1539
1, examined_rows)) == HA_POS_ERROR)
1546
/* Tell handler that we have values for all columns in the to table */
1547
to->use_all_columns();
1549
error= info.init_read_record(session, from, (optimizer::SqlSelect *) 0, 1, true);
1547
to->next_number_field->reset();
1550
for (CopyField *copy_ptr=copy ; copy_ptr != copy_end ; copy_ptr++)
1552
copy_ptr->do_copy(copy_ptr);
1554
prev_insert_id= to->cursor->next_insert_id;
1555
error= to->cursor->insertRecord(to->record[0]);
1556
to->auto_increment_field_not_null= false;
1552
to->print_error(errno, MYF(0));
1559
to->cursor->extra(HA_EXTRA_IGNORE_DUP_KEY);
1562
session->row_count= 0;
1563
to->restoreRecordAsDefault(); // Create empty record
1564
while (not (error=info.read_record(&info)))
1566
if (session->getKilled())
1568
session->send_kill_message();
1572
session->row_count++;
1573
/* Return error if source table isn't empty. */
1574
if (error_if_not_empty)
1579
if (to->next_number_field)
1581
if (auto_increment_field_copied)
1582
to->auto_increment_field_not_null= true;
1584
to->next_number_field->reset();
1587
for (CopyField *copy_ptr= copy; copy_ptr != copy_end ; copy_ptr++)
1589
if (not copy->to_field->hasDefault() and copy->from_null_ptr and *copy->from_null_ptr & copy->from_bit)
1591
copy->to_field->set_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
1592
ER_WARN_DATA_TRUNCATED, 1);
1593
copy->to_field->reset();
1598
copy_ptr->do_copy(copy_ptr);
1606
prev_insert_id= to->cursor->next_insert_id;
1607
error= to->cursor->insertRecord(to->record[0]);
1608
to->auto_increment_field_not_null= false;
1561
to->cursor->is_fatal_error(error, HA_CHECK_DUP))
1612
if (!ignore || to->cursor->is_fatal_error(error, HA_CHECK_DUP))
1614
to->print_error(error, MYF(0));
1617
to->cursor->restore_auto_increment(prev_insert_id);
1563
to->print_error(error, MYF(0));
1566
to->cursor->restore_auto_increment(prev_insert_id);
1626
info.end_read_record();
1627
from->free_io_cache();
1628
delete [] copy; // This is never 0
1630
if (to->cursor->ha_end_bulk_insert() && error <= 0)
1632
to->print_error(errno, MYF(0));
1635
to->cursor->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
1638
Ensure that the new table is saved properly to disk so that we
1641
if (transaction_services.autocommitOrRollback(*session, false))
1644
if (not session->endActiveTransaction())
1649
session->setAbortOnWarning(false);
1575
info.end_read_record();
1576
from->free_io_cache();
1577
delete [] copy; // This is never 0
1579
if (to->cursor->ha_end_bulk_insert() && error <= 0)
1581
to->print_error(errno, MYF(0));
1584
to->cursor->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
1587
Ensure that the new table is saved properly to disk so that we
1590
if (transaction_services.autocommitOrRollback(session, false))
1592
if (! session->endActiveTransaction())
1596
session->abort_on_warning= 0;
1650
1597
from->free_io_cache();
1651
1598
*copied= found_count;
1652
1599
*deleted=delete_count;
1653
1600
to->cursor->ha_release_auto_increment();
1655
if (to->cursor->ha_external_lock(session, F_UNLCK))
1601
if (to->cursor->ha_external_lock(session,F_UNLCK))
1660
1604
return(error > 0 ? -1 : 0);
1663
static Table *open_alter_table(Session *session, Table *table, identifier::Table &identifier)
1608
create_temporary_table(Session *session,
1609
TableIdentifier &identifier,
1610
HA_CREATE_INFO *create_info,
1611
message::Table &create_proto,
1612
AlterInfo *alter_info)
1617
Create a table with a temporary name.
1618
We don't log the statement, it will be logged later.
1620
create_proto.set_name(identifier.getTableName());
1622
create_proto.mutable_engine()->set_name(create_info->db_type->getName());
1624
error= mysql_create_table(session,
1626
create_info, create_proto, alter_info, true, 0, false);
1631
static Table *open_alter_table(Session *session, Table *table, TableIdentifier &identifier)
1665
1633
Table *new_table;