File: open_file_lru.test

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#
# Check the file open/close LRU code
#

--source include/have_debug.inc
--source include/big_test.inc
--source include/have_innodb_max_16k.inc

SET default_storage_engine=InnoDB;

--disable_query_log

SET @open_files = (select @@innodb_open_files);

SET @total_tables = @open_files + 250;

--enable_query_log

SELECT @total_tables;

CREATE DATABASE lru_test;
USE lru_test;

SET GLOBAL innodb_file_per_table = on;

DELIMITER |;

CREATE PROCEDURE create_tables(IN max_tables INT)
BEGIN
  DECLARE i INT UNSIGNED DEFAULT 0;

  WHILE i < max_tables DO
    SET @name = CONCAT("t_", i);
    SET @sql = CONCAT('CREATE TABLE ', @name, '(c INT) ENGINE=InnoDB');
    PREPARE create_table FROM @sql;
    EXECUTE create_table;
    DEALLOCATE PREPARE create_table;
    SET i = i + 1;
  END WHILE;
END|

CREATE PROCEDURE ins(IN max_tables INT)
BEGIN
  DECLARE i INT UNSIGNED DEFAULT 0;

  WHILE i < max_tables DO
    SET @name = CONCAT("t_", i);
    SET @sql = CONCAT('INSERT INTO ', @name, ' VALUES(0)');
    PREPARE insert_value FROM @sql;
    EXECUTE insert_value;
    DEALLOCATE PREPARE insert_value;
    SET i = i + 1;
  END WHILE;
END|

CREATE PROCEDURE sel(IN max_tables INT)
BEGIN
  DECLARE i INT UNSIGNED DEFAULT 0;

  WHILE i < max_tables DO
    SET @name = CONCAT("t_", i);
    SET @sql = CONCAT('SELECT * FROM ', @name);
    PREPARE select_from FROM @sql;
    EXECUTE select_from ;
    DEALLOCATE PREPARE select_from;
    SET i = i + 1;
  END WHILE;
END|

DELIMITER ;|

CALL create_tables(@total_tables);
CALL ins(@total_tables);
CALL sel(@total_tables);

DROP PROCEDURE create_tables;
DROP PROCEDURE ins;
DROP PROCEDURE sel;

DROP DATABASE lru_test;

--disable_query_log
call mtr.add_suppression("Too many .* files are open the maximum allowed value is .*");
--enable_query_log