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Code Activity

WL1424 Multiple MySQL Servers: SHOW TABLES etc. should detect new and delete old tables.

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include/my_base.h:
  Added new bit to table create options
  Removed old error code HA_ERR_OLD_METADAT and reused it for HA_ERR_NO_SUCH_TABLE.
mysql-test/r/ndb_autodiscover.result:
  Updated test cases
mysql-test/t/ndb_autodiscover.test:
  Updated test cases
mysql-test/t/ndb_autodiscover2.test:
  Updated test cases
sql/discover.cc:
  Moved function create_table_from_handler to handler.cc
sql/ha_ndbcluster.cc:
  Improved discover functionality
  Added .ndb file
  Changed error code mappings for a table that does not exist in engine
  Check for ndb object in THD
  Updated ndbcluster_discover, ndbcluster_list_tables and ndbcluster_can_discover
sql/ha_ndbcluster.h:
  Improved discover
sql/handler.cc:
  Added new error message mapping.
  Moved function ha_create_table_from_engine to handler level
  Added new functions ha_can_discover, ha_list_tables and ha_table_exists
sql/handler.h:
  Added new error message mapping.
  Moved function ha_create_table_from_engine to handler level
  Added new functions ha_can_discover, ha_list_tables and ha_table_exists
sql/mysql_priv.h:
  Removed create_table_from_handler, moved to handler.h
sql/sql_base.cc:
  Renamed function create_table_from_handler
sql/sql_show.cc:
  Added new function mysql_discover_files and mysql_list_files. 
  Modified mysql_find_files to discover new and delete "old" files/tables.
sql/sql_table.cc:
  Renamed create_table_from_handler
  Call ha_create_table_from_engine, in order to discover the the frm file before it can be dropped.
sql/table.cc:
  Added mapping of the error code HA_ERR_NO_SUCH_TABLE
This commit is contained in:
unknown
2004-09-13 14:46:38 +02:00
parent c7e7b7b703
commit 5a46435678
14 changed files with 614 additions and 179 deletions
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38
mysql-test/r/ndb_autodiscover.result
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@ -1,4 +1,4 @@
drop table if exists t1,t2,t3,t4,t5,t6,t9;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t9;
flush status;
create table t1(
id int not null primary key,
@ -94,8 +94,6 @@ ERROR 42S01: Table 't3' already exists
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
SHOW TABLES FROM test;
Tables_in_test
create table IF NOT EXISTS t3(
id int not null primary key,
id2 int not null,
@ -119,6 +117,40 @@ Variable_name Value
Handler_discover 2
drop table t3;
flush status;
create table t7(
id int not null primary key,
name char(255)
) engine=ndb;
create table t6(
id int not null primary key,
name char(255)
) engine=MyISAM;
insert into t7 values (1, "Explorer");
insert into t6 values (2, "MyISAM table");
select * from t7;
id name
1 Explorer
show status like 'handler_discover%';
Variable_name Value
Handler_discover 0
flush tables;
show tables from test;
Tables_in_test
t6
t7
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
flush tables;
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t6 MyISAM 9 Fixed 1 260 # # # 0 NULL # # NULL # NULL
t7 ndbcluster 9 Fixed 100 0 # # # 0 NULL # # NULL # NULL
show status like 'handler_discover%';
Variable_name Value
Handler_discover 2
drop table t6, t7;
flush status;
show status like 'handler_discover%';
Variable_name Value
Handler_discover 0