数据库的临时目录空间不够,修改配置文件中的tmpdir,指向一个硬盘空间很大的目录即可。

windows下,找到配置文件my.ini.

[mysqld]
tmpdir=D:/work/tool/mysql-5.6.28-winx64/temp

修改完毕重启。

附:查询当前临时目录

SHOW VARIABLES LIKE '%tmp%';

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" 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default_tmp_storage_engine

The default storage engine for TEMPORARY tables (created with CREATE TEMPORARY TABLE). To set the storage engine for permanent tables, set the default_storage_engine system variable.

If you disable the default storage engine at server startup, you must set the default engine for both permanent and TEMPORARY tables to a different engine or the server will not start.It was added in MySQL 5.6.3.

控制  CREATE TEMPORARY TABLE 创建的临时表的引擎类型.

max_tmp_tables

This variable is unused. It is deprecated as of MySQL 5.6.7 and will be removed in a future MySQL release.

slave_load_tmpdir

The name of the directory where the slave creates temporary files for replicating LOAD DATA INFILE statements.

tmp_table_size

The maximum size of internal in-memory temporary tables. This variable does not apply to user-created MEMORY tables.

tmpdir

The directory used for temporary files and temporary tables. This variable can be set to a list of several paths that are used in round-robin fashion. Paths should be separated by colon characters (:) on Unix and semicolon characters (;) on Windows.

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