create table t (n1 number,n2 number); create index t_idx on t(n1,n2); 上面只是创建了两个列的复合索引,并不要求是唯一索引。 alter table t add constraint t_uk unique (n1) using index t_idx; 可以使用这个索引来创建唯一约束, 而且它只在第一个列上唯一,也就是说唯一约束比索引更加严格。 那...
mysql> alter table search_key_word add constraint idx_key_word unique (key_word); ERROR 1071 (42000) 1.9K20 紫光同创国产FPGA学习之Physical Constraint Editor 在PDS中打开PCE (1)点击工具栏的Physical Constraint Editor图标,如图1-2所示。...图1-3 Tool菜单下的Physical Constraint Editor(Post-Map) ...
Error: failed to save and apply Alertmanager configuration: UNIQUE constraint failed: alert_configuration.org_id Not sure how to proceed at this point, as manually recreating/copying existing configuration in a newly installed database would be really cumbersome. Is there maybe a way to just reset...
drop_constraint('idx_organizations_name', 'organizations', type_='unique') op.drop_constraint('idx_organizations_user_id', 'organizations', type_='unique') op.drop_constraint('org_name', 'organizations', type_='unique') op.create_unique_constraint('uk_organizations', 'organizations', ['org...
idx_fw_vers" json:"version"` MbedVersion string `gorm:"not null;uniqueIndex:idx_fw_vers" json:"mbedVersion"` //Version string when do `ati` command Freq string `gorm:"not null;uniqueIndex:idx_fw_vers" json:"freq"` TargetXdot string `gorm:"not null;uniqueIndex:idx_fw_vers" json:"...
sa.UniqueConstraint('username') ) op.create_table('roles', sa.Column('id', sa.Integer(), nullable=False), sa.Column('name', sa.String(length=80), nullable=False), sa.Column('user_id', sa.Integer(), nullable=True), sa.ForeignKeyConstraint(['user_id'], ['users.id'], ), ...
Duplicate entry ‘xxx‘ for key ‘AK_idx_username‘ Duplicate entry ‘xxx’ for key ‘AK_idx_username’ 遇到这个错误,搜索到了很多解决方法 都说是因为索引的原因 解决办法:选为索引的字段不能重复添加,就是在写sql语句的时候,不能填入与索引字段相同的数据,并且是唯一的 而我的错误并不是因为数据库的...
【标题描述】: reform后非初始状态集群,failover场景新主节点读写业务报错主键冲突ERROR: duplicate key value violates unique constraint 【测试类型:功能测试】【测试版本:5.1.1】【资源池化】reform后非初始状态集群,failover场景新主节点读写业务报错主键冲突ERROR: duplicate key value violates unique constraint ...
1回答 SQL FK约束失败 mysql、sql、mysql-error-1064 但是当我运行这个sql时CREATE INDEX IDX_DA8075CFFA0C224 ON izo_user (office_id)SQLSTATE[23000 ]: Integrity constraint violation: 1452 浏览0提问于2015-06-25得票数 1 点击加载更多 相关资讯 ...
$tokenTable->addUniqueIndex(array('token'),'token_idx'); $tokenTable->addForeignKeyConstraint($userTable,array('userId'),array('id')); $schemaManager->dropAndCreateTable($tokenTable); $programmerTable =newTable('programmer'); $programmerTable->addColumn('id','integer',array('unsigned'=>tr...