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7041807476
Several MYSQL_SYSVAR_STR parameters that employ both a validate function callback fail to copy the string for saving the validated value. The affected variables include the following: innodb_ft_aux_table innodb_ft_server_stopword_table innodb_ft_user_stopword_table innodb_buffer_pool_filename The test case is an enhanced version of mysql/mysql-server@0b0c30641f and the code changes are inspired by their fixes. We are also importing and adjusting the test innodb_fts.stopword to get coverage for the variable innodb_ft_user_stopword_table. buf_dump(), buf_load(): Protect srv_buf_dump_filename with LOCK_global_system_variables. fts_load_user_stopword(): Minor cleanup fts_load_stopword(): Remove the parameter global_stopword_table. innobase_fts_load_stopword(): Protect innodb_server_stopword_table against concurrent SET GLOBAL.
74 lines
2.4 KiB
Plaintext
74 lines
2.4 KiB
Plaintext
#
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# Bug #29717909 MEMORY LIFETIME OF VARIABLES BETWEEN CHECK AND UPDATE INCORRECTLY MANAGED
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#
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select @@innodb_ft_server_stopword_table;
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@@innodb_ft_server_stopword_table
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NULL
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create table user_stopword_1(value varchar(30)) engine = innodb;
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create table user_stopword_2(value varchar(30)) engine = innodb;
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set @blah = 'test/user_stopword_1';
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SET GLOBAL innodb_ft_server_stopword_table= @blah;
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select @@innodb_ft_server_stopword_table;
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@@innodb_ft_server_stopword_table
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test/user_stopword_1
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set @blah = 'test/user_stopword_2';
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SET GLOBAL innodb_ft_server_stopword_table= @blah;
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select @@innodb_ft_server_stopword_table;
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@@innodb_ft_server_stopword_table
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test/user_stopword_2
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SET GLOBAL innodb_ft_server_stopword_table= NULL;
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select @@innodb_ft_server_stopword_table;
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@@innodb_ft_server_stopword_table
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NULL
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SET GLOBAL innodb_ft_server_stopword_table= default;
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select @@innodb_ft_server_stopword_table;
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@@innodb_ft_server_stopword_table
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NULL
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drop table user_stopword_1, user_stopword_2;
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select @@innodb_buffer_pool_filename;
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@@innodb_buffer_pool_filename
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ib_buffer_pool
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set @blah='hello';
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set global innodb_buffer_pool_filename = @blah;
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select @@innodb_buffer_pool_filename;
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@@innodb_buffer_pool_filename
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hello
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set global innodb_buffer_pool_filename="bye";
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select @@innodb_buffer_pool_filename;
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@@innodb_buffer_pool_filename
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bye
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set global innodb_buffer_pool_filename=NULL;
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ERROR 42000: Variable 'innodb_buffer_pool_filename' can't be set to the value of 'NULL'
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select @@innodb_buffer_pool_filename;
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@@innodb_buffer_pool_filename
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bye
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set global innodb_buffer_pool_filename=default;
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select @@innodb_buffer_pool_filename;
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@@innodb_buffer_pool_filename
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ib_buffer_pool
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CREATE TABLE t1 ( id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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opening_line TEXT(500), author VARCHAR(200), title VARCHAR(200), FULLTEXT idx
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(opening_line)) ENGINE=InnoDB;
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CREATE TABLE t2 ( id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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opening_line TEXT(500), author VARCHAR(200), title VARCHAR(200), FULLTEXT idx
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(opening_line)) ENGINE=InnoDB;
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select @@innodb_ft_aux_table;
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@@innodb_ft_aux_table
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NULL
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set @blah = 'test/t1';
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SET GLOBAL innodb_ft_aux_table = @blah;
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select @@innodb_ft_aux_table;
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@@innodb_ft_aux_table
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test/t1
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set @blah = 'test/t2';
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SET GLOBAL innodb_ft_aux_table = @blah;
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SET GLOBAL innodb_ft_aux_table = NULL;
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select @@innodb_ft_aux_table;
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@@innodb_ft_aux_table
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NULL
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SET GLOBAL innodb_ft_aux_table =default;
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select @@innodb_ft_aux_table;
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@@innodb_ft_aux_table
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NULL
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drop table t1,t2;
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