Comment¶
To comment out a single line, MySQL uses # or --, and GaussDB(DWS) uses --. DSC will replace # with -- for commenting out a single line during migration.
Input
## comment sample create a table
CREATE TABLE IF NOT EXISTS `public`.`runoob_tbl`(
`runoob_id` VARCHAR,
`runoob_title` VARCHAR(100) NOT NULL,
`runoob_author` VARCHAR(40) NOT NULL,
`submission_date` VARCHAR
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
Output
-- comment sample create a table
CREATE TABLE IF NOT EXISTS "public"."runoob_tbl"
(
"runoob_id" VARCHAR,
"runoob_title" VARCHAR(400) NOT NULL,
"runoob_author" VARCHAR(160) NOT NULL,
"submission_date" VARCHAR
)
WITH ( ORIENTATION = ROW, COMPRESSION = NO )
NOCOMPRESS
DISTRIBUTE BY HASH ("runoob_id");