INSERT INTO t_check(id, c1, c2, c3, c4) VALUES (1, 1, 'START', 20, 19); INSERT INTO t_check(id, c1, c2, c3, c4) VALUES (2, NULL, 'START', 20, 19); SQL Error [3819] [HY000]: Check constraint 't_check_chk_1' is violated. INSERT INTO t_check(id, c1, c2, c3, ...
@@ -66,10 +72,12 @@ public static void filterContent(String value, String customXssString) { 66 72 if (value == null || "".equals(value)) { 67 73 return; 68 74 } 75 + // 校验sql注释 不允许有sql注释 76 + checkSqlAnnotation(value); ...
报错:Update row with Key (id)=(xxxx) multiple times或者duplicate key value violates unique constraint 问题原因:违反唯一性约束,执行UPDATE、INSERT ON CONFLICT或INSERT操作时,主键存在重复数据。 解决方法: 若INSERT语法报错:可以改为INSERT INTO xx ON CONFLICT的语法,实现主键去重,详情请参见INSERT ON CONFLIC...
Rerun your statement when there are fewer active users or ask the system administrator to check the SQL Server lock and memory configuration. 备注 在出现 MSSQLSERVER_1204 错误时,它将停止处理当前语句并导致活动事务回滚。 如果重启数据库服务,则回滚本身可能会阻止用户或导致较长的数据库恢复...
check permission for foreign table scan failed: failed to check permission:MaxCompute error,Authorization Failed [4019], You have NO privilege 'odps:Select' on {xxxxxxxxxx} 解决方法请参见MaxCompute权限相关。 ERRCODE_DUPLICATE_OBJECT already exist 存在重复的对象,通常发生于创建重复的Extension、Publication...
DatabaseUpsertGrammarMySQLINSERT .. ONDUPLICATEKEYUPDATE ..PostgreSQLINSERT .. ONCONFLICT .. DOUPDATESET ..因此我们可以通过写入时保证 Upsert 语义，从而保证下游 Sink 端的幂等性，再 Review 一次到端到端一致性实现条件 4，下游去重也可以通过实现幂等从而实现下游的 Exactly Once 语义。4.下游去重，应对下游...
以下语句创建了一个简单的视图,只包含了开发 部门的员工信息,并且隐藏了工资等敏感信息: CREATE OR REPLACE VIEW emp_devp AS SELECT emp_id, emp_name, sex, manager, hire_date, job_id, email FROM employee WHERE dept_id = 4 WITH CHECK OPTION; 其中的 WITH CHECK OPTION 确保无法通过视图修改超出其...
"Cannot insert duplicate key row in object 'sys.syscommittab' with unique index 'si_xdes_id'. The duplicate key value is (KeyValue). Error: 3999, Severity: 17, State: 1. Failed to flush the commit table to disk in dbidDatabaseID due to error 2601. Check the errorlog for more inf...
CHECK constraints can't be specified for CLR table-valued functions. logical_expression A logical expression that returns TRUE or FALSE. <computed_column_definition> ::= Specifies a computed column. For more information about computed columns, see CREATE TABLE (Transact-SQL). column_name The name...
You cannot enter duplicate primary keys Foreign keys prevent you from entering inconsistent data Check constraints prevent you from entering invalid data Check that indexes and sequences are created successfully. Ensure that views migrated successfully by doing the following: ...