CREATE FILE Description example keyword CREATE FILE Description This statement is used to create and upload a file to the Doris cluster. This function is usually used to man...
CREATE INDEX 语法图 示例 表达式索引 不可见索引 相关系统变量 MySQL 兼容性 另请参阅 CREATE INDEX CREATE INDEX 语句用于在已有表中添加新索引,功能等同于 ALTER TABLE .. ADD INDEX 。包含该语句提供了 MySQL 兼容性。 语法图 CreateIndexStmt ...
Create or get Create or get Peewee has one helper method for performing “get/create” type operations: Model.get_or_create() , which first attempts to retrieve the matching row...