文档首页/ 数据仓库服务 GaussDB(DWS)/ 工具指南/ DSC/ MySQL语法迁移/ 表（可选参数、操作）/ DIRECTORY
更新时间：2024-12-10 GMT+08:00
查看PDF
分享

DIRECTORY

DIRECTORY表示允许在数据目录和索引目录之外创建表空间。DIRECTORY包含DATA DIRECTORY和INDEX DIRECTORY。GaussDB(DWS)不支持该属性修改表定义信息，DSC迁移时会将该属性删除。

输入示例

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
 
CREATE TABLE `public`.`runoob_tbl_test1` (
`dataType1` int NOT NULL AUTO_INCREMENT,    
`dataType2` DOUBLE(20,8),       
PRIMARY KEY(`dataType1`)
) ENGINE=MYISAM DATA DIRECTORY = 'D:\\input' INDEX DIRECTORY= 'D:\\input';

CREATE TABLE `public`.`runoob_tbl_test2` (
`dataType1` int NOT NULL AUTO_INCREMENT,    
`dataType2` DOUBLE(20,8),       
PRIMARY KEY(`dataType1`)
) ENGINE=INNODB DATA DIRECTORY = 'D:\\input';

输出示例

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
 
CREATE TABLE "public"."runoob_tbl_test1"
(
  "datatype1" SERIAL NOT NULL,
  "datatype2" DOUBLE PRECISION,
  PRIMARY KEY ("datatype1")
)
  WITH ( ORIENTATION = ROW, COMPRESSION = NO )
  NOCOMPRESS
  DISTRIBUTE BY HASH ("datatype1");

CREATE TABLE "public"."runoob_tbl_test2"
(
  "datatype1" SERIAL NOT NULL,
  "datatype2" DOUBLE PRECISION,
  PRIMARY KEY ("datatype1")
)
  WITH ( ORIENTATION = ROW, COMPRESSION = NO )
  NOCOMPRESS
  DISTRIBUTE BY HASH ("datatype1");

相关文档