Merge fixes for:

MDEV-4797 - Spider crash on show create table spider table and replication
            multi source to one of the partitions
MDEV-4747 - Spider: add missing install_spider.sql

storage/spider/CMakeLists.txt

+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_HANDLERSOCKET")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_HANDLERSOCKET")
+
 SET(SPIDER_SOURCES
   spd_param.cc spd_sys_table.cc spd_trx.cc spd_db_conn.cc spd_conn.cc
   spd_table.cc spd_direct_sql.cc spd_udf.cc spd_ping_table.cc
@@ -34,7 +37,11 @@ ELSE()
     ${CMAKE_SOURCE_DIR}/storage/spider/hs_client
     ${ORACLE_INCLUDE_DIR})
 
-  SET(SPIDER_DEB_FILES "usr/lib/mysql/plugin/ha_spider.so" PARENT_SCOPE)
+  INSTALL(FILES
+    ${CMAKE_SOURCE_DIR}/storage/spider/scripts/install_spider.sql
+    DESTINATION ${INSTALL_MYSQLSHAREDIR} COMPONENT Server
+  )
+  SET(SPIDER_DEB_FILES "usr/lib/mysql/plugin/ha_spider.so usr/share/mysql/install_spider.sql" PARENT_SCOPE)
   MYSQL_ADD_PLUGIN(spider ${SPIDER_SOURCES} STORAGE_ENGINE MODULE_ONLY MODULE_OUTPUT_NAME "ha_spider")
 ENDIF()
 

storage/spider/ha_spider.cc

@@ -11347,7 +11347,7 @@ int ha_spider::rnd_handler_init()
 
 void ha_spider::set_error_mode()
 {
-  THD *thd = trx->thd;
+  THD *thd = ha_thd();
   DBUG_ENTER("ha_spider::set_error_mode");
   DBUG_PRINT("info",("spider this=%p", this));
   switch (thd_sql_command(thd))

storage/spider/scripts/install_spider.sql

+# Copyright (C) 2010-2011 Kentoku Shiba
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+# This SQL script creates system tables for SPIDER
+#   or fixes incompatibilities if ones already exist.
+
+-- Create system tables if not exist
+create table if not exists mysql.spider_xa(
+  format_id int not null default 0,
+  gtrid_length int not null default 0,
+  bqual_length int not null default 0,
+  data char(128) charset binary not null default '',
+  status char(8) not null default '',
+  primary key (data, format_id, gtrid_length),
+  key idx1 (status)
+) engine=MyISAM default charset=utf8 collate=utf8_bin;
+create table if not exists mysql.spider_xa_member(
+  format_id int not null default 0,
+  gtrid_length int not null default 0,
+  bqual_length int not null default 0,
+  data char(128) charset binary not null default '',
+  scheme char(64) not null default '',
+  host char(64) not null default '',
+  port char(5) not null default '',
+  socket text not null default '',
+  username char(64) not null default '',
+  password char(64) not null default '',
+  ssl_ca text default null,
+  ssl_capath text default null,
+  ssl_cert text default null,
+  ssl_cipher char(64) default null,
+  ssl_key text default null,
+  ssl_verify_server_cert tinyint not null default 0,
+  default_file text default null,
+  default_group char(64) default null,
+  key idx1 (data, format_id, gtrid_length, host)
+) engine=MyISAM default charset=utf8 collate=utf8_bin;
+create table if not exists mysql.spider_tables(
+  db_name char(64) not null default '',
+  table_name char(64) not null default '',
+  link_id int not null default 0,
+  priority bigint not null default 0,
+  server char(64) default null,
+  scheme char(64) default null,
+  host char(64) default null,
+  port char(5) default null,
+  socket text default null,
+  username char(64) default null,
+  password char(64) default null,
+  ssl_ca text default null,
+  ssl_capath text default null,
+  ssl_cert text default null,
+  ssl_cipher char(64) default null,
+  ssl_key text default null,
+  ssl_verify_server_cert tinyint not null default 0,
+  default_file text default null,
+  default_group char(64) default null,
+  tgt_db_name char(64) default null,
+  tgt_table_name char(64) default null,
+  link_status tinyint not null default 1,
+  primary key (db_name, table_name, link_id),
+  key idx1 (priority)
+) engine=MyISAM default charset=utf8 collate=utf8_bin;
+create table if not exists mysql.spider_link_mon_servers(
+  db_name char(64) not null default '',
+  table_name char(64) not null default '',
+  link_id char(5) not null default '',
+  sid int unsigned not null default 0,
+  server char(64) default null,
+  scheme char(64) default null,
+  host char(64) default null,
+  port char(5) default null,
+  socket text default null,
+  username char(64) default null,
+  password char(64) default null,
+  ssl_ca text default null,
+  ssl_capath text default null,
+  ssl_cert text default null,
+  ssl_cipher char(64) default null,
+  ssl_key text default null,
+  ssl_verify_server_cert tinyint not null default 0,
+  default_file text default null,
+  default_group char(64) default null,
+  primary key (db_name, table_name, link_id, sid)
+) engine=MyISAM default charset=utf8 collate=utf8_bin;
+create table if not exists mysql.spider_link_failed_log(
+  db_name char(64) not null default '',
+  table_name char(64) not null default '',
+  link_id int not null default 0,
+  failed_time timestamp not null default current_timestamp
+) engine=MyISAM default charset=utf8 collate=utf8_bin;
+
+-- If tables already exist and their definition differ from the latest ones,
+--   we fix them here.
+drop procedure if exists mysql.spider_fix_one_table;
+drop procedure if exists mysql.spider_fix_system_tables;
+delimiter //
+create procedure mysql.spider_fix_one_table
+  (tab_name char(255), test_col_name char(255), _sql text)
+begin
+  set @col_exists := 0;
+  select 1 into @col_exists from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = tab_name
+      AND COLUMN_NAME = test_col_name;
+  if @col_exists = 0 then
+    select @stmt := _sql;
+    prepare sp_stmt1 from @stmt;
+    execute sp_stmt1;
+  end if;
+end;//
+
+create procedure mysql.spider_fix_system_tables()
+begin
+  -- Fix for 0.5
+  call mysql.spider_fix_one_table('spider_tables', 'server',
+   'alter table mysql.spider_tables
+    add server char(64) default null,
+    add scheme char(64) default null,
+    add host char(64) default null,
+    add port char(5) default null,
+    add socket char(64) default null,
+    add username char(64) default null,
+    add password char(64) default null,
+    add tgt_db_name char(64) default null,
+    add tgt_table_name char(64) default null');
+  
+  -- Fix for version 0.17
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_xa'
+      AND COLUMN_NAME = 'data';
+  if @col_type != 'binary(128)' then
+    alter table mysql.spider_xa modify data binary(128) not null default '';
+  end if;
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_xa_member'
+      AND COLUMN_NAME = 'data';
+  if @col_type != 'binary(128)' then
+    alter table mysql.spider_xa_member modify data binary(128) not null default '';
+  end if;
+  
+  -- Fix for version 2.7
+  call mysql.spider_fix_one_table('spider_tables', 'link_id',
+   'alter table mysql.spider_tables
+    add column link_id int not null default 0 after table_name,
+    drop primary key,
+    add primary key (db_name, table_name, link_id)');
+  
+  -- Fix for version 2.8
+  call mysql.spider_fix_one_table('spider_tables', 'link_status',
+   'alter table mysql.spider_tables
+    add column link_status tinyint not null default 1');
+  
+  -- Fix for version 2.10
+  call mysql.spider_fix_one_table('spider_xa_member', 'ssl_ca',
+   'alter table mysql.spider_xa_member
+    add column ssl_ca char(64) default null after password,
+    add column ssl_capath char(64) default null after ssl_ca,
+    add column ssl_cert char(64) default null after ssl_capath,
+    add column ssl_cipher char(64) default null after ssl_cert,
+    add column ssl_key char(64) default null after ssl_cipher,
+    add column ssl_verify_server_cert tinyint not null default 0 after ssl_key,
+    add column default_file char(64) default null after ssl_verify_server_cert,
+    add column default_group char(64) default null after default_file');
+  call mysql.spider_fix_one_table('spider_tables', 'ssl_ca',
+   'alter table mysql.spider_tables
+    add column ssl_ca char(64) default null after password,
+    add column ssl_capath char(64) default null after ssl_ca,
+    add column ssl_cert char(64) default null after ssl_capath,
+    add column ssl_cipher char(64) default null after ssl_cert,
+    add column ssl_key char(64) default null after ssl_cipher,
+    add column ssl_verify_server_cert tinyint not null default 0 after ssl_key,
+    add column default_file char(64) default null after ssl_verify_server_cert,
+    add column default_group char(64) default null after default_file');
+  call mysql.spider_fix_one_table('spider_link_mon_servers', 'ssl_ca',
+   'alter table mysql.spider_link_mon_servers
+    add column ssl_ca char(64) default null after password,
+    add column ssl_capath char(64) default null after ssl_ca,
+    add column ssl_cert char(64) default null after ssl_capath,
+    add column ssl_cipher char(64) default null after ssl_cert,
+    add column ssl_key char(64) default null after ssl_cipher,
+    add column ssl_verify_server_cert tinyint not null default 0 after ssl_key,
+    add column default_file char(64) default null after ssl_verify_server_cert,
+    add column default_group char(64) default null after default_file');
+
+  -- Fix for version 2.25
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_link_mon_servers'
+      AND COLUMN_NAME = 'link_id';
+  if @col_type != 'char(5)' then
+    alter table mysql.spider_link_mon_servers
+    modify link_id char(5) not null default '';
+  end if;
+
+  -- Fix for version 2.28
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_link_mon_servers'
+      AND COLUMN_NAME = 'sid';
+  if @col_type != 'int(10) unsigned' then
+    alter table mysql.spider_link_mon_servers
+    modify sid int unsigned not null default 0;
+  end if;
+
+  -- Fix for version 3.1
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_xa_member'
+      AND COLUMN_NAME = 'socket';
+  if @col_type = 'char(64)' then
+    alter table mysql.spider_xa_member
+      drop primary key,
+      add index idx1 (data, format_id, gtrid_length, host),
+      modify socket text not null default '',
+      modify ssl_ca text default null,
+      modify ssl_capath text default null,
+      modify ssl_cert text default null,
+      modify ssl_key text default null,
+      modify default_file text default null;
+  end if;
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_tables'
+      AND COLUMN_NAME = 'socket';
+  if @col_type = 'char(64)' then
+    alter table mysql.spider_tables
+      modify socket text default null,
+      modify ssl_ca text default null,
+      modify ssl_capath text default null,
+      modify ssl_cert text default null,
+      modify ssl_key text default null,
+      modify default_file text default null;
+  end if;
+  select COLUMN_TYPE INTO @col_type from INFORMATION_SCHEMA.COLUMNS
+    where TABLE_SCHEMA = 'mysql'
+      AND TABLE_NAME = 'spider_link_mon_servers'
+      AND COLUMN_NAME = 'socket';
+  if @col_type = 'char(64)' then
+    alter table mysql.spider_link_mon_servers
+      modify socket text default null,
+      modify ssl_ca text default null,
+      modify ssl_capath text default null,
+      modify ssl_cert text default null,
+      modify ssl_key text default null,
+      modify default_file text default null;
+  end if;
+end;//
+delimiter ;
+call mysql.spider_fix_system_tables;
+drop procedure mysql.spider_fix_one_table;
+drop procedure mysql.spider_fix_system_tables;
+
+-- Install a plugin and UDFs
+drop procedure if exists mysql.spider_plugin_installer;
+delimiter //
+create procedure mysql.spider_plugin_installer()
+begin
+  set @win_plugin := IF(@@version_compile_os like 'Win%', 1, 0);
+  set @have_spider_plugin := 0;
+  select @have_spider_plugin := 1 from INFORMATION_SCHEMA.plugins where PLUGIN_NAME = 'SPIDER';
+  if @have_spider_plugin = 0 then 
+    if @win_plugin = 0 then 
+      install plugin spider soname 'ha_spider.so';
+    else
+      install plugin spider soname 'ha_spider.dll';
+    end if;
+  end if;
+  set @have_spider_i_s_alloc_mem_plugin := 0;
+  select @have_spider_i_s_alloc_mem_plugin := 1 from INFORMATION_SCHEMA.plugins where PLUGIN_NAME = 'SPIDER_ALLOC_MEM';
+  if @have_spider_i_s_alloc_mem_plugin = 0 then 
+    if @win_plugin = 0 then 
+      install plugin spider_alloc_mem soname 'ha_spider.so';
+    else
+      install plugin spider_alloc_mem soname 'ha_spider.dll';
+    end if;
+  end if;
+  set @have_spider_direct_sql_udf := 0;
+  select @have_spider_direct_sql_udf := 1 from mysql.func where name = 'spider_direct_sql';
+  if @have_spider_direct_sql_udf = 0 then
+    if @win_plugin = 0 then 
+      create function spider_direct_sql returns int soname 'ha_spider.so';
+    else
+      create function spider_direct_sql returns int soname 'ha_spider.dll';
+    end if;
+  end if;
+  set @have_spider_bg_direct_sql_udf := 0;
+  select @have_spider_bg_direct_sql_udf := 1 from mysql.func where name = 'spider_bg_direct_sql';
+  if @have_spider_bg_direct_sql_udf = 0 then
+    if @win_plugin = 0 then 
+      create aggregate function spider_bg_direct_sql returns int soname 'ha_spider.so';
+    else
+      create aggregate function spider_bg_direct_sql returns int soname 'ha_spider.dll';
+    end if;
+  end if;
+  set @have_spider_ping_table_udf := 0;
+  select @have_spider_ping_table_udf := 1 from mysql.func where name = 'spider_ping_table';
+  if @have_spider_ping_table_udf = 0 then
+    if @win_plugin = 0 then 
+      create function spider_ping_table returns int soname 'ha_spider.so';
+    else
+      create function spider_ping_table returns int soname 'ha_spider.dll';
+    end if;
+  end if;
+  set @have_spider_copy_tables_udf := 0;
+  select @have_spider_copy_tables_udf := 1 from mysql.func where name = 'spider_copy_tables';
+  if @have_spider_copy_tables_udf = 0 then
+    if @win_plugin = 0 then 
+      create function spider_copy_tables returns int soname 'ha_spider.so';
+    else
+      create function spider_copy_tables returns int soname 'ha_spider.dll';
+    end if;
+  end if;
+
+  set @have_spider_flush_table_mon_cache_udf := 0;
+  select @have_spider_flush_table_mon_cache_udf := 1 from mysql.func where name = 'spider_flush_table_mon_cache';
+  if @have_spider_flush_table_mon_cache_udf = 0 then
+    if @win_plugin = 0 then 
+      create function spider_flush_table_mon_cache returns int soname 'ha_spider.so';
+    else
+      create function spider_flush_table_mon_cache returns int soname 'ha_spider.dll';
+    end if;
+  end if;
+
+end;//
+delimiter ;
+call mysql.spider_plugin_installer;
+drop procedure mysql.spider_plugin_installer;