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Hack to ensure that CHAR's created in 5.0 are not converted to VARCHAR even if the row type is dynamic
(For 4.1 tables old 'VARCHAR' fields are converted to true VARCHAR in the next ALTER TABLE) This ensures that one can use MySQL 5.0 privilege tables with MySQL 4.1 mysql-test/r/information_schema.result: Update results (for .frm version number change) mysql-test/r/ndb_autodiscover.result: Update results (for .frm version number change) mysql-test/r/ps_1general.result: Update results (for .frm version number change) mysql-test/r/show_check.result: Update results (for .frm version number change) mysql-test/r/view.result: Update results (for .frm version number change) scripts/fill_func_tables.sh: Ensure that no privilege tables that is used in 4.1 uses VARCHAR scripts/mysql_create_system_tables.sh: Ensure that no privilege tables that is used in 4.1 uses VARCHAR scripts/mysql_fix_privilege_tables.sh: Fixed bug that made it impossible to run the script from the mysql source dist scripts/mysql_fix_privilege_tables.sql: Ensure that no privilege tables that is used in 4.1 uses VARCHAR sql/sql_table.cc: Only set create_info->varchar if we are using the new VARCHAR field sql/table.cc: Hack to ensure that CHAR's created in 5.0 are not converted to VARCHAR even if the row type is dynamic (For 4.1 tables old 'VARCHAR' fields are converted to true VARCHAR in the next ALTER TABLE)
This commit is contained in:
parent
3e13c80a20
commit
a99cb51c9d
11 changed files with 87 additions and 51 deletions
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@ -118,8 +118,8 @@ t2
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t3
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show table status;
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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
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t2 MyISAM 9 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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t3 MyISAM 9 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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t2 MyISAM 10 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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t3 MyISAM 10 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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v1 NULL NULL NULL NULL NULL NULL # NULL NULL NULL # # NULL NULL NULL NULL view
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show full columns from t3 like "a%";
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Field Type Collation Null Key Default Extra Privileges Comment
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@ -432,7 +432,6 @@ information_schema.tables) union select version from
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information_schema.tables;
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s1
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0
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9
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10
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drop table t1;
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SHOW CREATE TABLE INFORMATION_SCHEMA.character_sets;
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@ -144,8 +144,8 @@ Handler_discover 1
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flush tables;
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show table status;
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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
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t6 MyISAM 9 Fixed 1 260 # # # 0 NULL # # NULL # NULL #
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t7 ndbcluster 9 Fixed 1 276 # # # 0 NULL # # NULL # NULL #
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t6 MyISAM 10 Fixed 1 260 # # # 0 NULL # # NULL # NULL #
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t7 ndbcluster 10 Fixed 1 276 # # # 0 NULL # # NULL # NULL #
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show status like 'handler_discover%';
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Variable_name Value
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Handler_discover 2
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@ -290,7 +290,7 @@ t2 1 t2_idx 1 b A NULL NULL NULL YES BTREE
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prepare stmt4 from ' show table status from test like ''t2%'' ';
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execute stmt4;
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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
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t2 MyISAM 9 Fixed 0 0 0 64424509439 1024 0 NULL # # # latin1_swedish_ci NULL
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t2 MyISAM 10 Fixed 0 0 0 64424509439 1024 0 NULL # # # latin1_swedish_ci NULL
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prepare stmt4 from ' show table status from test like ''t9%'' ';
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execute stmt4;
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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
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@ -315,57 +315,57 @@ insert into t2 values (1),(2);
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insert into t3 values (1,1),(2,2);
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show table status;
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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
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t1 MEMORY 9 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (3),(4);
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insert into t2 values (3),(4);
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insert into t3 values (3,3),(4,4);
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show table status;
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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
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t1 MEMORY 9 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (5);
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insert into t2 values (5);
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insert into t3 values (5,5);
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show table status;
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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
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t1 MEMORY 9 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1 where a=3;
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delete from t2 where b=3;
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delete from t3 where a=3;
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show table status;
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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
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t1 MEMORY 9 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1;
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delete from t2;
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delete from t3;
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show table status;
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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
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t1 MEMORY 9 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (5);
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insert into t2 values (5);
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insert into t3 values (5,5);
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show table status;
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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
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t1 MEMORY 9 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1 where a=5;
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delete from t2 where b=5;
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delete from t3 where a=5;
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show table status;
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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
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t1 MEMORY 9 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 9 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 9 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t1 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
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drop table t1, t2, t3;
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create database mysqltest;
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show create database mysqltest;
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@ -149,7 +149,7 @@ v5 VIEW
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v6 VIEW
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show table status;
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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
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t1 MyISAM 9 Fixed 5 9 45 38654705663 1024 0 NULL # # NULL latin1_swedish_ci NULL
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t1 MyISAM 10 Fixed 5 9 45 38654705663 1024 0 NULL # # NULL latin1_swedish_ci NULL
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v1 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
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v2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
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v3 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
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@ -1115,7 +1115,7 @@ select * from v1;
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ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s)
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show table status;
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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
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t1 MyISAM 9 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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t1 MyISAM 10 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
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v1 NULL NULL NULL NULL NULL NULL # NULL NULL NULL # # NULL NULL NULL NULL View 'test.v1' references invalid table(s) or column(s) or function(s)
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drop view v1;
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drop table t1;
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@ -131,8 +131,8 @@ print "USE mysql_help;\n";
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print "DROP TABLE IF EXISTS function;\n";
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print "CREATE TABLE function (";
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print " func_id int unsigned not null auto_increment,";
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print " name varchar(64) not null,";
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print " url varchar(128) not null,";
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print " name char(64) not null,";
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print " url char(128) not null,";
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print " description text not null,";
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print " example text not null,";
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print " min_args tinyint not null,";
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print "DROP TABLE IF EXISTS function_category_name;\n";
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print "CREATE TABLE function_category_name (";
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print " cat_id smallint unsigned not null auto_increment,";
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print " name varchar(64) not null,";
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print " url varchar(128) not null,";
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print " name char(64) not null,";
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print " url char(128) not null,";
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print " date_created datetime not null,";
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print " last_modified timestamp not null,";
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print " primary key (cat_id)";
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@ -269,11 +269,11 @@ then
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c_ht="$c_ht CREATE TABLE help_topic ("
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c_ht="$c_ht help_topic_id int unsigned not null,"
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c_ht="$c_ht name varchar(64) not null,"
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c_ht="$c_ht name char(64) not null,"
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c_ht="$c_ht help_category_id smallint unsigned not null,"
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c_ht="$c_ht description text not null,"
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c_ht="$c_ht example text not null,"
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c_ht="$c_ht url varchar(128) not null,"
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c_ht="$c_ht url char(128) not null,"
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c_ht="$c_ht primary key (help_topic_id),"
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c_ht="$c_ht unique index (name)"
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c_ht="$c_ht ) engine=MyISAM"
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c_hc="$c_hc CREATE TABLE help_category ("
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c_hc="$c_hc help_category_id smallint unsigned not null,"
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c_hc="$c_hc name varchar(64) not null,"
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c_hc="$c_hc name char(64) not null,"
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c_hc="$c_hc parent_category_id smallint unsigned null,"
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c_hc="$c_hc url varchar(128) not null,"
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c_hc="$c_hc url char(128) not null,"
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c_hc="$c_hc primary key (help_category_id),"
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c_hc="$c_hc unique index (name)"
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c_hc="$c_hc ) engine=MyISAM"
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c_hk="$c_hk CREATE TABLE help_keyword ("
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c_hk="$c_hk help_keyword_id int unsigned not null,"
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c_hk="$c_hk name varchar(64) not null,"
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c_hk="$c_hk name char(64) not null,"
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c_hk="$c_hk primary key (help_keyword_id),"
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c_hk="$c_hk unique index (name)"
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c_hk="$c_hk ) engine=MyISAM"
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@ -13,7 +13,7 @@ args=""
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port=""
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socket=""
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database="mysql"
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bindir="."
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bindir=""
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pkgdatadir="@pkgdatadir@"
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print_defaults_bindir="."
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@ -307,19 +307,19 @@ KEY Grantor (Grantor)
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CREATE TABLE IF NOT EXISTS help_topic (
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help_topic_id int unsigned not null,
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name varchar(64) not null,
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name char(64) not null,
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help_category_id smallint unsigned not null,
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description text not null,
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example text not null,
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url varchar(128) not null,
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url char(128) not null,
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primary key (help_topic_id), unique index (name)
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) CHARACTER SET utf8 comment='help topics';
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CREATE TABLE IF NOT EXISTS help_category (
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help_category_id smallint unsigned not null,
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name varchar(64) not null,
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name char(64) not null,
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parent_category_id smallint unsigned null,
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url varchar(128) not null,
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url char(128) not null,
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primary key (help_category_id),
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unique index (name)
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) CHARACTER SET utf8 comment='help categories';
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@ -332,7 +332,7 @@ primary key (help_keyword_id, help_topic_id)
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CREATE TABLE IF NOT EXISTS help_keyword (
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help_keyword_id int unsigned not null,
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name varchar(64) not null,
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name char(64) not null,
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primary key (help_keyword_id),
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unique index (name)
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) CHARACTER SET utf8 comment='help keywords';
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@ -479,3 +479,35 @@ ALTER TABLE proc MODIFY name char(64) DEFAULT '' NOT NULL,
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'NO_AUTO_CREATE_USER',
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'HIGH_NOT_PRECEDENCE'
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) DEFAULT 0 NOT NULL;
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#
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# Change all varchar fields in privilege tables to CHAR, to ensure that
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# we can use the privilege tables in MySQL 4.1
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# Note that for this hack to work, we must change all CHAR() columns at
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# the same time
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#
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ALTER TABLE mysql.user
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modify Host char(60) binary DEFAULT '' NOT NULL,
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modify User char(16) binary DEFAULT '' NOT NULL,
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modify Password char(41) binary DEFAULT '' NOT NULL;
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ALTER TABLE mysql.db
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modify Host char(60) binary DEFAULT '' NOT NULL,
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modify Db char(64) binary DEFAULT '' NOT NULL,
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modify User char(16) binary DEFAULT '' NOT NULL;
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ALTER TABLE mysql.host
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modify Host char(60) binary DEFAULT '' NOT NULL,
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modify Db char(64) binary DEFAULT '' NOT NULL;
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ALTER TABLE help_topic
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modify name char(64) not null,
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modify url char(128) not null;
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ALTER TABLE help_category
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modify name char(64) not null,
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modify url char(128) not null;
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ALTER TABLE help_keyword
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modify name char(64) not null;
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@ -613,7 +613,7 @@ int prepare_create_field(create_field *sql_field,
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Prepares the table and key structures for table creation.
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NOTES
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sets create_info->varchar if the table has a varchar or blob.
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sets create_info->varchar if the table has a varchar
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RETURN VALUES
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0 ok
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@ -862,12 +862,7 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
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×tamps, ×tamps_with_niladic,
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file->table_flags()))
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DBUG_RETURN(-1);
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if (sql_field->sql_type == FIELD_TYPE_BLOB ||
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sql_field->sql_type == FIELD_TYPE_MEDIUM_BLOB ||
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sql_field->sql_type == FIELD_TYPE_TINY_BLOB ||
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sql_field->sql_type == FIELD_TYPE_LONG_BLOB ||
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sql_field->sql_type == FIELD_TYPE_GEOMETRY ||
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sql_field->sql_type == MYSQL_TYPE_VARCHAR)
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if (sql_field->sql_type == MYSQL_TYPE_VARCHAR)
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create_info->varchar= 1;
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sql_field->offset= pos;
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if (MTYP_TYPENR(sql_field->unireg_check) == Field::NEXT_NUMBER)
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10
sql/table.cc
10
sql/table.cc
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@ -149,6 +149,15 @@ int openfrm(THD *thd, const char *name, const char *alias, uint db_stat,
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*fn_ext(index_file)='\0'; // Remove .frm extension
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share->frm_version= head[2];
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/*
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Check if .frm file created by MySQL 5.0. In this case we want to
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display CHAR fields as CHAR and not as VARCHAR.
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We do it this way as we want to keep the old frm version to enable
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MySQL 4.1 to read these files.
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*/
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if (share->frm_version == FRM_VER_TRUE_VARCHAR -1 && head[33] == 5)
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share->frm_version= FRM_VER_TRUE_VARCHAR;
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share->db_type= ha_checktype((enum db_type) (uint) *(head+3));
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share->db_create_options= db_create_options=uint2korr(head+30);
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share->db_options_in_use= share->db_create_options;
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@ -1317,6 +1326,7 @@ File create_frm(register my_string name, uint reclength, uchar *fileinfo,
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create_info->table_options|=HA_OPTION_LONG_BLOB_PTR; // Use portable blob pointers
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int2store(fileinfo+30,create_info->table_options);
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fileinfo[32]=0; // No filename anymore
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fileinfo[33]=5; // Mark for 5.0 frm file
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int4store(fileinfo+34,create_info->avg_row_length);
|
||||
fileinfo[38]= (create_info->default_table_charset ?
|
||||
create_info->default_table_charset->number : 0);
|
||||
|
|
Loading…
Add table
Reference in a new issue