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author | unknown <pem@mysql.com> | 2004-04-07 19:07:44 +0200 |
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committer | unknown <pem@mysql.com> | 2004-04-07 19:07:44 +0200 |
commit | c635d37479fbf8aa0da03d47f264ab9907cfe72b (patch) | |
tree | e5ac1517ff3dccc42352b7bac39ecd1c093d0ae6 /sql/sql_rename.cc | |
parent | 8468cde4f1e028b380c24d0bac28402678568d81 (diff) | |
parent | 0948f9769b3e3da2e064e65015b86644af4acd78 (diff) | |
download | mariadb-git-c635d37479fbf8aa0da03d47f264ab9907cfe72b.tar.gz |
Merge 4.1 -> 5.0.
BitKeeper/etc/ignore:
auto-union
BitKeeper/etc/logging_ok:
auto-union
VC++Files/sql/mysqld.dsp:
Auto merged
client/Makefile.am:
Auto merged
client/mysql.cc:
Auto merged
client/mysqltest.c:
Auto merged
configure.in:
Auto merged
include/my_global.h:
Auto merged
include/my_pthread.h:
Auto merged
include/my_sys.h:
Auto merged
include/mysql_com.h:
Auto merged
libmysqld/Makefile.am:
Auto merged
libmysqld/lib_sql.cc:
Auto merged
myisam/mi_check.c:
Auto merged
myisam/myisamchk.c:
Auto merged
myisam/myisamdef.h:
Auto merged
mysql-test/install_test_db.sh:
Auto merged
mysql-test/r/insert_select.result:
Auto merged
mysql-test/r/join_outer.result:
Auto merged
mysql-test/r/null.result:
Auto merged
mysql-test/r/connect.result:
Auto merged
mysql-test/r/func_sapdb.result:
Auto merged
mysql-test/r/mix_innodb_myisam_binlog.result:
Auto merged
mysql-test/r/mysqldump.result:
Auto merged
mysql-test/r/rpl_change_master.result:
Auto merged
mysql-test/r/rpl_log.result:
Auto merged
mysql-test/r/show_check.result:
Auto merged
mysql-test/r/symlink.result:
Auto merged
mysql-test/r/rpl_flush_log_loop.result:
Auto merged
mysql-test/r/rpl_flush_tables.result:
Auto merged
mysql-test/r/rpl_loaddata.result:
Auto merged
mysql-test/r/rpl_loaddata_rule_m.result:
Auto merged
mysql-test/r/rpl_loaddata_rule_s.result:
Auto merged
mysql-test/r/rpl_max_relay_size.result:
Auto merged
mysql-test/r/rpl_reset_slave.result:
Auto merged
mysql-test/r/rpl_temporary.result:
Auto merged
mysql-test/r/rpl_until.result:
Auto merged
mysql-test/r/rpl_user_variables.result:
Auto merged
mysql-test/r/subselect.result:
Auto merged
mysql-test/r/union.result:
Auto merged
mysql-test/r/variables.result:
Auto merged
mysql-test/t/func_sapdb.test:
Auto merged
mysql-test/t/mix_innodb_myisam_binlog.test:
Auto merged
mysql-test/t/mysqlbinlog.test:
Auto merged
mysql-test/t/rpl_change_master.test:
Auto merged
mysql-test/t/rpl_log.test:
Auto merged
mysql-test/t/variables.test:
Auto merged
netware/BUILD/compile-linux-tools:
Auto merged
netware/BUILD/compile-netware-END:
Auto merged
netware/BUILD/compile-netware-all:
Auto merged
netware/BUILD/compile-netware-standard:
Auto merged
mysql-test/t/rpl_empty_master_crash.test:
Auto merged
mysql-test/t/rpl_error_ignored_table.test:
Auto merged
mysql-test/t/rpl_flush_log_loop.test:
Auto merged
mysql-test/t/rpl_loaddata.test:
Auto merged
mysql-test/t/rpl_loaddata_rule_m.test:
Auto merged
mysql-test/t/rpl_loaddata_rule_s.test:
Auto merged
mysql-test/t/rpl_max_relay_size.test:
Auto merged
mysql-test/t/rpl_openssl.test:
Auto merged
mysql-test/t/rpl_relayrotate-slave.opt:
Auto merged
mysql-test/t/rpl_reset_slave.test:
Auto merged
mysql-test/t/rpl_trunc_binlog.test:
Auto merged
mysql-test/t/rpl_until.test:
Auto merged
mysql-test/t/rpl_user_variables.test:
Auto merged
mysql-test/t/subselect.test:
Auto merged
scripts/make_binary_distribution.sh:
Auto merged
scripts/mysql_create_system_tables.sh:
Auto merged
scripts/mysql_fix_privilege_tables.sql:
Auto merged
scripts/mysql_install_db.sh:
Auto merged
sql/filesort.cc:
Auto merged
sql/ha_berkeley.cc:
Auto merged
sql/ha_berkeley.h:
Auto merged
sql/ha_innodb.h:
Auto merged
sql/ha_myisam.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/handler.h:
Auto merged
sql/item.cc:
Auto merged
sql/item.h:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_create.cc:
Auto merged
sql/item_create.h:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/item_sum.cc:
Auto merged
sql/item_sum.h:
Auto merged
sql/item_timefunc.h:
Auto merged
sql/lock.cc:
Auto merged
sql/log_event.h:
Auto merged
sql/mysqld.cc:
Auto merged
sql/net_serv.cc:
Auto merged
sql/protocol.cc:
Auto merged
sql/protocol.h:
Auto merged
sql/repl_failsafe.cc:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_acl.h:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_cache.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_db.cc:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_derived.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_list.h:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_rename.cc:
Auto merged
sql/sql_repl.cc:
Auto merged
sql/sql_repl.h:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_select.h:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_test.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql-common/client.c:
Auto merged
tests/client_test.c:
Auto merged
Diffstat (limited to 'sql/sql_rename.cc')
-rw-r--r-- | sql/sql_rename.cc | 73 |
1 files changed, 56 insertions, 17 deletions
diff --git a/sql/sql_rename.cc b/sql/sql_rename.cc index 29b4f2f4a01..a1676aed78d 100644 --- a/sql/sql_rename.cc +++ b/sql/sql_rename.cc @@ -24,6 +24,8 @@ static TABLE_LIST *rename_tables(THD *thd, TABLE_LIST *table_list, bool skip_error); +static TABLE_LIST *reverse_table_list(TABLE_LIST *table_list); + /* Every second entry in the table_list is the original name and every second entry is the new name. @@ -46,6 +48,8 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) DBUG_RETURN(1); } + if (wait_if_global_read_lock(thd,0)) + DBUG_RETURN(1); VOID(pthread_mutex_lock(&LOCK_open)); if (lock_table_names(thd, table_list)) goto err; @@ -54,17 +58,10 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) if ((ren_table=rename_tables(thd,table_list,0))) { /* Rename didn't succeed; rename back the tables in reverse order */ - TABLE_LIST *prev=0,*table; - /* Reverse the table list */ + TABLE_LIST *table; - while (table_list) - { - TABLE_LIST *next=table_list->next; - table_list->next=prev; - prev=table_list; - table_list=next; - } - table_list=prev; + /* Reverse the table list */ + table_list= reverse_table_list(table_list); /* Find the last renamed table */ for (table=table_list ; @@ -73,6 +70,10 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) table=table->next->next; // Skip error table /* Revert to old names */ rename_tables(thd, table, 1); + + /* Revert the table list (for prepared statements) */ + table_list= reverse_table_list(table_list); + error= 1; } @@ -92,11 +93,37 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) err: pthread_mutex_unlock(&LOCK_open); + start_waiting_global_read_lock(thd); DBUG_RETURN(error); } /* + reverse table list + + SYNOPSIS + reverse_table_list() + table_list pointer to table _list + + RETURN + pointer to new (reversed) list +*/ +static TABLE_LIST *reverse_table_list(TABLE_LIST *table_list) +{ + TABLE_LIST *prev= 0; + + while (table_list) + { + TABLE_LIST *next= table_list->next; + table_list->next= prev; + prev= table_list; + table_list= next; + } + return (prev); +} + + +/* Rename all tables in list; Return pointer to wrong entry if something goes wrong. Note that the table_list may be empty! */ @@ -111,19 +138,31 @@ rename_tables(THD *thd, TABLE_LIST *table_list, bool skip_error) { db_type table_type; char name[FN_REFLEN]; - new_table=ren_table->next; + const char *new_alias, *old_alias; + new_table=ren_table->next; + if (lower_case_table_names == 2) + { + old_alias= ren_table->alias; + new_alias= new_table->alias; + } + else + { + old_alias= ren_table->real_name; + new_alias= new_table->real_name; + } sprintf(name,"%s/%s/%s%s",mysql_data_home, - new_table->db,new_table->real_name, - reg_ext); + new_table->db, new_alias, reg_ext); + unpack_filename(name, name); if (!access(name,F_OK)) { - my_error(ER_TABLE_EXISTS_ERROR,MYF(0),name); + my_error(ER_TABLE_EXISTS_ERROR,MYF(0),new_alias); DBUG_RETURN(ren_table); // This can't be skipped } sprintf(name,"%s/%s/%s%s",mysql_data_home, - ren_table->db,ren_table->real_name, + ren_table->db, old_alias, reg_ext); + unpack_filename(name, name); if ((table_type=get_table_type(name)) == DB_TYPE_UNKNOWN) { my_error(ER_FILE_NOT_FOUND, MYF(0), name, my_errno); @@ -131,8 +170,8 @@ rename_tables(THD *thd, TABLE_LIST *table_list, bool skip_error) DBUG_RETURN(ren_table); } else if (mysql_rename_table(table_type, - ren_table->db, ren_table->real_name, - new_table->db, new_table->real_name)) + ren_table->db, old_alias, + new_table->db, new_alias)) { if (!skip_error) DBUG_RETURN(ren_table); |